commit: ad571c0178bef7c9019cdcec5566e8aad9ebf21c Author: Mike Pagano <mpagano <AT> gentoo <DOT> org> AuthorDate: Fri Dec 11 12:54:46 2020 +0000 Commit: Mike Pagano <mpagano <AT> gentoo <DOT> org> CommitDate: Fri Dec 11 12:54:46 2020 +0000 URL: https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=ad571c01
Linux patch 4.9.248 Signed-off-by: Mike Pagano <mpagano <AT> gentoo.org> 0000_README | 4 + 1247_linux-4.9.248.patch | 1701 ++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 1705 insertions(+) diff --git a/0000_README b/0000_README index c4d4e26..e3ccddb 100644 --- a/0000_README +++ b/0000_README @@ -1031,6 +1031,10 @@ Patch: 1246_linux-4.9.247.patch From: http://www.kernel.org Desc: Linux 4.9.247 +Patch: 1247_linux-4.9.248.patch +From: http://www.kernel.org +Desc: Linux 4.9.248 + Patch: 1500_XATTR_USER_PREFIX.patch From: https://bugs.gentoo.org/show_bug.cgi?id=470644 Desc: Support for namespace user.pax.* on tmpfs. diff --git a/1247_linux-4.9.248.patch b/1247_linux-4.9.248.patch new file mode 100644 index 0000000..02e2343 --- /dev/null +++ b/1247_linux-4.9.248.patch @@ -0,0 +1,1701 @@ +diff --git a/Documentation/devicetree/bindings/net/nfc/nxp-nci.txt b/Documentation/devicetree/bindings/net/nfc/nxp-nci.txt +index 5b6cd9b3f628a..0188bbd2e35f8 100644 +--- a/Documentation/devicetree/bindings/net/nfc/nxp-nci.txt ++++ b/Documentation/devicetree/bindings/net/nfc/nxp-nci.txt +@@ -27,7 +27,7 @@ Example (for ARM-based BeagleBone with NPC100 NFC controller on I2C2): + clock-frequency = <100000>; + + interrupt-parent = <&gpio1>; +- interrupts = <29 GPIO_ACTIVE_HIGH>; ++ interrupts = <29 IRQ_TYPE_LEVEL_HIGH>; + + enable-gpios = <&gpio0 30 GPIO_ACTIVE_HIGH>; + firmware-gpios = <&gpio0 31 GPIO_ACTIVE_HIGH>; +diff --git a/Documentation/devicetree/bindings/net/nfc/pn544.txt b/Documentation/devicetree/bindings/net/nfc/pn544.txt +index dab69f36167c7..8541e8dafd55c 100644 +--- a/Documentation/devicetree/bindings/net/nfc/pn544.txt ++++ b/Documentation/devicetree/bindings/net/nfc/pn544.txt +@@ -27,7 +27,7 @@ Example (for ARM-based BeagleBone with PN544 on I2C2): + clock-frequency = <400000>; + + interrupt-parent = <&gpio1>; +- interrupts = <17 GPIO_ACTIVE_HIGH>; ++ interrupts = <17 IRQ_TYPE_LEVEL_HIGH>; + + enable-gpios = <&gpio3 21 GPIO_ACTIVE_HIGH>; + firmware-gpios = <&gpio3 19 GPIO_ACTIVE_HIGH>; +diff --git a/Makefile b/Makefile +index 82f71f9460cb6..f6680569c0008 100644 +--- a/Makefile ++++ b/Makefile +@@ -1,6 +1,6 @@ + VERSION = 4 + PATCHLEVEL = 9 +-SUBLEVEL = 247 ++SUBLEVEL = 248 + EXTRAVERSION = + NAME = Roaring Lionus + +diff --git a/arch/x86/include/asm/insn.h b/arch/x86/include/asm/insn.h +index c2c01f84df75f..3e0e18d376d2c 100644 +--- a/arch/x86/include/asm/insn.h ++++ b/arch/x86/include/asm/insn.h +@@ -208,6 +208,21 @@ static inline int insn_offset_immediate(struct insn *insn) + return insn_offset_displacement(insn) + insn->displacement.nbytes; + } + ++/** ++ * for_each_insn_prefix() -- Iterate prefixes in the instruction ++ * @insn: Pointer to struct insn. ++ * @idx: Index storage. ++ * @prefix: Prefix byte. ++ * ++ * Iterate prefix bytes of given @insn. Each prefix byte is stored in @prefix ++ * and the index is stored in @idx (note that this @idx is just for a cursor, ++ * do not change it.) ++ * Since prefixes.nbytes can be bigger than 4 if some prefixes ++ * are repeated, it cannot be used for looping over the prefixes. ++ */ ++#define for_each_insn_prefix(insn, idx, prefix) \ ++ for (idx = 0; idx < ARRAY_SIZE(insn->prefixes.bytes) && (prefix = insn->prefixes.bytes[idx]) != 0; idx++) ++ + #define POP_SS_OPCODE 0x1f + #define MOV_SREG_OPCODE 0x8e + +diff --git a/arch/x86/kernel/uprobes.c b/arch/x86/kernel/uprobes.c +index 73391c1bd2a9a..52bb7413f3524 100644 +--- a/arch/x86/kernel/uprobes.c ++++ b/arch/x86/kernel/uprobes.c +@@ -268,10 +268,11 @@ static volatile u32 good_2byte_insns[256 / 32] = { + + static bool is_prefix_bad(struct insn *insn) + { ++ insn_byte_t p; + int i; + +- for (i = 0; i < insn->prefixes.nbytes; i++) { +- switch (insn->prefixes.bytes[i]) { ++ for_each_insn_prefix(insn, i, p) { ++ switch (p) { + case 0x26: /* INAT_PFX_ES */ + case 0x2E: /* INAT_PFX_CS */ + case 0x36: /* INAT_PFX_DS */ +@@ -711,6 +712,7 @@ static const struct uprobe_xol_ops branch_xol_ops = { + static int branch_setup_xol_ops(struct arch_uprobe *auprobe, struct insn *insn) + { + u8 opc1 = OPCODE1(insn); ++ insn_byte_t p; + int i; + + switch (opc1) { +@@ -741,8 +743,8 @@ static int branch_setup_xol_ops(struct arch_uprobe *auprobe, struct insn *insn) + * Intel and AMD behavior differ in 64-bit mode: Intel ignores 66 prefix. + * No one uses these insns, reject any branch insns with such prefix. + */ +- for (i = 0; i < insn->prefixes.nbytes; i++) { +- if (insn->prefixes.bytes[i] == 0x66) ++ for_each_insn_prefix(insn, i, p) { ++ if (p == 0x66) + return -ENOTSUPP; + } + +diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c +index 5a148b515f3df..b91ad668202e7 100644 +--- a/drivers/i2c/busses/i2c-imx.c ++++ b/drivers/i2c/busses/i2c-imx.c +@@ -413,6 +413,19 @@ static void i2c_imx_dma_free(struct imx_i2c_struct *i2c_imx) + dma->chan_using = NULL; + } + ++static void i2c_imx_clear_irq(struct imx_i2c_struct *i2c_imx, unsigned int bits) ++{ ++ unsigned int temp; ++ ++ /* ++ * i2sr_clr_opcode is the value to clear all interrupts. Here we want to ++ * clear only <bits>, so we write ~i2sr_clr_opcode with just <bits> ++ * toggled. This is required because i.MX needs W0C and Vybrid uses W1C. ++ */ ++ temp = ~i2c_imx->hwdata->i2sr_clr_opcode ^ bits; ++ imx_i2c_write_reg(temp, i2c_imx, IMX_I2C_I2SR); ++} ++ + static int i2c_imx_bus_busy(struct imx_i2c_struct *i2c_imx, int for_busy) + { + unsigned long orig_jiffies = jiffies; +@@ -425,8 +438,7 @@ static int i2c_imx_bus_busy(struct imx_i2c_struct *i2c_imx, int for_busy) + + /* check for arbitration lost */ + if (temp & I2SR_IAL) { +- temp &= ~I2SR_IAL; +- imx_i2c_write_reg(temp, i2c_imx, IMX_I2C_I2SR); ++ i2c_imx_clear_irq(i2c_imx, I2SR_IAL); + return -EAGAIN; + } + +@@ -453,6 +465,16 @@ static int i2c_imx_trx_complete(struct imx_i2c_struct *i2c_imx) + dev_dbg(&i2c_imx->adapter.dev, "<%s> Timeout\n", __func__); + return -ETIMEDOUT; + } ++ ++ /* check for arbitration lost */ ++ if (i2c_imx->i2csr & I2SR_IAL) { ++ dev_dbg(&i2c_imx->adapter.dev, "<%s> Arbitration lost\n", __func__); ++ i2c_imx_clear_irq(i2c_imx, I2SR_IAL); ++ ++ i2c_imx->i2csr = 0; ++ return -EAGAIN; ++ } ++ + dev_dbg(&i2c_imx->adapter.dev, "<%s> TRX complete\n", __func__); + i2c_imx->i2csr = 0; + return 0; +@@ -595,9 +617,7 @@ static irqreturn_t i2c_imx_isr(int irq, void *dev_id) + if (temp & I2SR_IIF) { + /* save status register */ + i2c_imx->i2csr = temp; +- temp &= ~I2SR_IIF; +- temp |= (i2c_imx->hwdata->i2sr_clr_opcode & I2SR_IIF); +- imx_i2c_write_reg(temp, i2c_imx, IMX_I2C_I2SR); ++ i2c_imx_clear_irq(i2c_imx, I2SR_IIF); + wake_up(&i2c_imx->queue); + return IRQ_HANDLED; + } +diff --git a/drivers/i2c/busses/i2c-qup.c b/drivers/i2c/busses/i2c-qup.c +index 7524e17ac966e..00366cf896171 100644 +--- a/drivers/i2c/busses/i2c-qup.c ++++ b/drivers/i2c/busses/i2c-qup.c +@@ -810,7 +810,8 @@ static int qup_i2c_bam_do_xfer(struct qup_i2c_dev *qup, struct i2c_msg *msg, + if (ret || qup->bus_err || qup->qup_err) { + reinit_completion(&qup->xfer); + +- if (qup_i2c_change_state(qup, QUP_RUN_STATE)) { ++ ret = qup_i2c_change_state(qup, QUP_RUN_STATE); ++ if (ret) { + dev_err(qup->dev, "change to run state timed out"); + goto desc_err; + } +diff --git a/drivers/infiniband/hw/i40iw/i40iw_main.c b/drivers/infiniband/hw/i40iw/i40iw_main.c +index ac2f3cd9478c9..aafe9989b33dc 100644 +--- a/drivers/infiniband/hw/i40iw/i40iw_main.c ++++ b/drivers/infiniband/hw/i40iw/i40iw_main.c +@@ -54,10 +54,6 @@ + #define DRV_VERSION __stringify(DRV_VERSION_MAJOR) "." \ + __stringify(DRV_VERSION_MINOR) "." __stringify(DRV_VERSION_BUILD) + +-static int push_mode; +-module_param(push_mode, int, 0644); +-MODULE_PARM_DESC(push_mode, "Low latency mode: 0=disabled (default), 1=enabled)"); +- + static int debug; + module_param(debug, int, 0644); + MODULE_PARM_DESC(debug, "debug flags: 0=disabled (default), 0x7fffffff=all"); +@@ -1524,7 +1520,6 @@ static enum i40iw_status_code i40iw_setup_init_state(struct i40iw_handler *hdl, + if (status) + goto exit; + iwdev->obj_next = iwdev->obj_mem; +- iwdev->push_mode = push_mode; + + init_waitqueue_head(&iwdev->vchnl_waitq); + init_waitqueue_head(&dev->vf_reqs); +diff --git a/drivers/infiniband/hw/i40iw/i40iw_verbs.c b/drivers/infiniband/hw/i40iw/i40iw_verbs.c +index c3d2400e36b94..ece83aff2a2d3 100644 +--- a/drivers/infiniband/hw/i40iw/i40iw_verbs.c ++++ b/drivers/infiniband/hw/i40iw/i40iw_verbs.c +@@ -208,38 +208,16 @@ static int i40iw_dealloc_ucontext(struct ib_ucontext *context) + */ + static int i40iw_mmap(struct ib_ucontext *context, struct vm_area_struct *vma) + { +- struct i40iw_ucontext *ucontext; +- u64 db_addr_offset; +- u64 push_offset; +- +- ucontext = to_ucontext(context); +- if (ucontext->iwdev->sc_dev.is_pf) { +- db_addr_offset = I40IW_DB_ADDR_OFFSET; +- push_offset = I40IW_PUSH_OFFSET; +- if (vma->vm_pgoff) +- vma->vm_pgoff += I40IW_PF_FIRST_PUSH_PAGE_INDEX - 1; +- } else { +- db_addr_offset = I40IW_VF_DB_ADDR_OFFSET; +- push_offset = I40IW_VF_PUSH_OFFSET; +- if (vma->vm_pgoff) +- vma->vm_pgoff += I40IW_VF_FIRST_PUSH_PAGE_INDEX - 1; +- } ++ struct i40iw_ucontext *ucontext = to_ucontext(context); ++ u64 dbaddr; + +- vma->vm_pgoff += db_addr_offset >> PAGE_SHIFT; ++ if (vma->vm_pgoff || vma->vm_end - vma->vm_start != PAGE_SIZE) ++ return -EINVAL; + +- if (vma->vm_pgoff == (db_addr_offset >> PAGE_SHIFT)) { +- vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); +- vma->vm_private_data = ucontext; +- } else { +- if ((vma->vm_pgoff - (push_offset >> PAGE_SHIFT)) % 2) +- vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); +- else +- vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot); +- } ++ dbaddr = I40IW_DB_ADDR_OFFSET + pci_resource_start(ucontext->iwdev->ldev->pcidev, 0); + +- if (io_remap_pfn_range(vma, vma->vm_start, +- vma->vm_pgoff + (pci_resource_start(ucontext->iwdev->ldev->pcidev, 0) >> PAGE_SHIFT), +- PAGE_SIZE, vma->vm_page_prot)) ++ if (io_remap_pfn_range(vma, vma->vm_start, dbaddr >> PAGE_SHIFT, PAGE_SIZE, ++ pgprot_noncached(vma->vm_page_prot))) + return -EAGAIN; + + return 0; +diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c +index 54a6691d7d878..637f1347cd13d 100644 +--- a/drivers/input/joystick/xpad.c ++++ b/drivers/input/joystick/xpad.c +@@ -258,6 +258,7 @@ static const struct xpad_device { + { 0x1038, 0x1430, "SteelSeries Stratus Duo", 0, XTYPE_XBOX360 }, + { 0x1038, 0x1431, "SteelSeries Stratus Duo", 0, XTYPE_XBOX360 }, + { 0x11c9, 0x55f0, "Nacon GC-100XF", 0, XTYPE_XBOX360 }, ++ { 0x1209, 0x2882, "Ardwiino Controller", 0, XTYPE_XBOX360 }, + { 0x12ab, 0x0004, "Honey Bee Xbox360 dancepad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360 }, + { 0x12ab, 0x0301, "PDP AFTERGLOW AX.1", 0, XTYPE_XBOX360 }, + { 0x12ab, 0x0303, "Mortal Kombat Klassic FightStick", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 }, +@@ -435,6 +436,7 @@ static const struct usb_device_id xpad_table[] = { + XPAD_XBOXONE_VENDOR(0x0f0d), /* Hori Controllers */ + XPAD_XBOX360_VENDOR(0x1038), /* SteelSeries Controllers */ + XPAD_XBOX360_VENDOR(0x11c9), /* Nacon GC100XF */ ++ XPAD_XBOX360_VENDOR(0x1209), /* Ardwiino Controllers */ + XPAD_XBOX360_VENDOR(0x12ab), /* X-Box 360 dance pads */ + XPAD_XBOX360_VENDOR(0x1430), /* RedOctane X-Box 360 controllers */ + XPAD_XBOX360_VENDOR(0x146b), /* BigBen Interactive Controllers */ +diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h +index 82ff44637ed78..1f45010a5b814 100644 +--- a/drivers/input/serio/i8042-x86ia64io.h ++++ b/drivers/input/serio/i8042-x86ia64io.h +@@ -223,6 +223,10 @@ static const struct dmi_system_id __initconst i8042_dmi_noloop_table[] = { + DMI_MATCH(DMI_SYS_VENDOR, "PEGATRON CORPORATION"), + DMI_MATCH(DMI_PRODUCT_NAME, "C15B"), + }, ++ .matches = { ++ DMI_MATCH(DMI_SYS_VENDOR, "ByteSpeed LLC"), ++ DMI_MATCH(DMI_PRODUCT_NAME, "ByteSpeed Laptop C15B"), ++ }, + }, + { } + }; +diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c +index 6b648339733fa..37f84ba11f05e 100644 +--- a/drivers/input/serio/i8042.c ++++ b/drivers/input/serio/i8042.c +@@ -1456,7 +1456,8 @@ static int __init i8042_setup_aux(void) + if (error) + goto err_free_ports; + +- if (aux_enable()) ++ error = aux_enable(); ++ if (error) + goto err_free_irq; + + i8042_aux_irq_registered = true; +diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c +index bb0448c91f672..f4a15d9f2bbb2 100644 +--- a/drivers/iommu/amd_iommu.c ++++ b/drivers/iommu/amd_iommu.c +@@ -3661,7 +3661,7 @@ static struct irq_chip amd_ir_chip; + + #define DTE_IRQ_PHYS_ADDR_MASK (((1ULL << 45)-1) << 6) + #define DTE_IRQ_REMAP_INTCTL (2ULL << 60) +-#define DTE_IRQ_TABLE_LEN (8ULL << 1) ++#define DTE_IRQ_TABLE_LEN (9ULL << 1) + #define DTE_IRQ_REMAP_ENABLE 1ULL + + static void set_dte_irq_entry(u16 devid, struct irq_remap_table *table) +diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c +index 240d7850c8252..16437aa35bc4c 100644 +--- a/drivers/net/bonding/bond_main.c ++++ b/drivers/net/bonding/bond_main.c +@@ -1238,7 +1238,39 @@ static void bond_upper_dev_unlink(struct bonding *bond, struct slave *slave) + rtmsg_ifinfo(RTM_NEWLINK, slave->dev, IFF_SLAVE, GFP_KERNEL); + } + +-static struct slave *bond_alloc_slave(struct bonding *bond) ++static void slave_kobj_release(struct kobject *kobj) ++{ ++ struct slave *slave = to_slave(kobj); ++ struct bonding *bond = bond_get_bond_by_slave(slave); ++ ++ cancel_delayed_work_sync(&slave->notify_work); ++ if (BOND_MODE(bond) == BOND_MODE_8023AD) ++ kfree(SLAVE_AD_INFO(slave)); ++ ++ kfree(slave); ++} ++ ++static struct kobj_type slave_ktype = { ++ .release = slave_kobj_release, ++#ifdef CONFIG_SYSFS ++ .sysfs_ops = &slave_sysfs_ops, ++#endif ++}; ++ ++static int bond_kobj_init(struct slave *slave) ++{ ++ int err; ++ ++ err = kobject_init_and_add(&slave->kobj, &slave_ktype, ++ &(slave->dev->dev.kobj), "bonding_slave"); ++ if (err) ++ kobject_put(&slave->kobj); ++ ++ return err; ++} ++ ++static struct slave *bond_alloc_slave(struct bonding *bond, ++ struct net_device *slave_dev) + { + struct slave *slave = NULL; + +@@ -1246,11 +1278,17 @@ static struct slave *bond_alloc_slave(struct bonding *bond) + if (!slave) + return NULL; + ++ slave->bond = bond; ++ slave->dev = slave_dev; ++ ++ if (bond_kobj_init(slave)) ++ return NULL; ++ + if (BOND_MODE(bond) == BOND_MODE_8023AD) { + SLAVE_AD_INFO(slave) = kzalloc(sizeof(struct ad_slave_info), + GFP_KERNEL); + if (!SLAVE_AD_INFO(slave)) { +- kfree(slave); ++ kobject_put(&slave->kobj); + return NULL; + } + } +@@ -1259,17 +1297,6 @@ static struct slave *bond_alloc_slave(struct bonding *bond) + return slave; + } + +-static void bond_free_slave(struct slave *slave) +-{ +- struct bonding *bond = bond_get_bond_by_slave(slave); +- +- cancel_delayed_work_sync(&slave->notify_work); +- if (BOND_MODE(bond) == BOND_MODE_8023AD) +- kfree(SLAVE_AD_INFO(slave)); +- +- kfree(slave); +-} +- + static void bond_fill_ifbond(struct bonding *bond, struct ifbond *info) + { + info->bond_mode = BOND_MODE(bond); +@@ -1449,14 +1476,12 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev) + bond->dev->addr_assign_type == NET_ADDR_RANDOM) + bond_set_dev_addr(bond->dev, slave_dev); + +- new_slave = bond_alloc_slave(bond); ++ new_slave = bond_alloc_slave(bond, slave_dev); + if (!new_slave) { + res = -ENOMEM; + goto err_undo_flags; + } + +- new_slave->bond = bond; +- new_slave->dev = slave_dev; + /* Set the new_slave's queue_id to be zero. Queue ID mapping + * is set via sysfs or module option if desired. + */ +@@ -1781,7 +1806,7 @@ err_restore_mtu: + dev_set_mtu(slave_dev, new_slave->original_mtu); + + err_free: +- bond_free_slave(new_slave); ++ kobject_put(&new_slave->kobj); + + err_undo_flags: + /* Enslave of first slave has failed and we need to fix master's mac */ +@@ -1965,7 +1990,7 @@ static int __bond_release_one(struct net_device *bond_dev, + if (!netif_is_bond_master(slave_dev)) + slave_dev->priv_flags &= ~IFF_BONDING; + +- bond_free_slave(slave); ++ kobject_put(&slave->kobj); + + return 0; + } +diff --git a/drivers/net/bonding/bond_sysfs_slave.c b/drivers/net/bonding/bond_sysfs_slave.c +index 3f756fa2f603b..68bbac4715c35 100644 +--- a/drivers/net/bonding/bond_sysfs_slave.c ++++ b/drivers/net/bonding/bond_sysfs_slave.c +@@ -125,7 +125,6 @@ static const struct slave_attribute *slave_attrs[] = { + }; + + #define to_slave_attr(_at) container_of(_at, struct slave_attribute, attr) +-#define to_slave(obj) container_of(obj, struct slave, kobj) + + static ssize_t slave_show(struct kobject *kobj, + struct attribute *attr, char *buf) +@@ -136,28 +135,15 @@ static ssize_t slave_show(struct kobject *kobj, + return slave_attr->show(slave, buf); + } + +-static const struct sysfs_ops slave_sysfs_ops = { ++const struct sysfs_ops slave_sysfs_ops = { + .show = slave_show, + }; + +-static struct kobj_type slave_ktype = { +-#ifdef CONFIG_SYSFS +- .sysfs_ops = &slave_sysfs_ops, +-#endif +-}; +- + int bond_sysfs_slave_add(struct slave *slave) + { + const struct slave_attribute **a; + int err; + +- err = kobject_init_and_add(&slave->kobj, &slave_ktype, +- &(slave->dev->dev.kobj), "bonding_slave"); +- if (err) { +- kobject_put(&slave->kobj); +- return err; +- } +- + for (a = slave_attrs; *a; ++a) { + err = sysfs_create_file(&slave->kobj, &((*a)->attr)); + if (err) { +@@ -175,6 +161,4 @@ void bond_sysfs_slave_del(struct slave *slave) + + for (a = slave_attrs; *a; ++a) + sysfs_remove_file(&slave->kobj, &((*a)->attr)); +- +- kobject_put(&slave->kobj); + } +diff --git a/drivers/net/ethernet/chelsio/cxgb3/sge.c b/drivers/net/ethernet/chelsio/cxgb3/sge.c +index e4b5b057f4178..f012649891dad 100644 +--- a/drivers/net/ethernet/chelsio/cxgb3/sge.c ++++ b/drivers/net/ethernet/chelsio/cxgb3/sge.c +@@ -3111,6 +3111,7 @@ int t3_sge_alloc_qset(struct adapter *adapter, unsigned int id, int nports, + GFP_KERNEL | __GFP_COMP); + if (!avail) { + CH_ALERT(adapter, "free list queue 0 initialization failed\n"); ++ ret = -ENOMEM; + goto err; + } + if (avail < q->fl[0].size) +diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c +index 88c837504c7d6..a8ff4f8a6b87d 100644 +--- a/drivers/net/ethernet/ibm/ibmvnic.c ++++ b/drivers/net/ethernet/ibm/ibmvnic.c +@@ -985,6 +985,12 @@ restart_poll: + + if (!pending_scrq(adapter, adapter->rx_scrq[scrq_num])) + break; ++ /* The queue entry at the current index is peeked at above ++ * to determine that there is a valid descriptor awaiting ++ * processing. We want to be sure that the current slot ++ * holds a valid descriptor before reading its contents. ++ */ ++ dma_rmb(); + next = ibmvnic_next_scrq(adapter, adapter->rx_scrq[scrq_num]); + rx_buff = + (struct ibmvnic_rx_buff *)be64_to_cpu(next-> +@@ -1373,13 +1379,18 @@ restart_loop: + while (pending_scrq(adapter, scrq)) { + unsigned int pool = scrq->pool_index; + ++ /* The queue entry at the current index is peeked at above ++ * to determine that there is a valid descriptor awaiting ++ * processing. We want to be sure that the current slot ++ * holds a valid descriptor before reading its contents. ++ */ ++ dma_rmb(); ++ + next = ibmvnic_next_scrq(adapter, scrq); + for (i = 0; i < next->tx_comp.num_comps; i++) { +- if (next->tx_comp.rcs[i]) { ++ if (next->tx_comp.rcs[i]) + dev_err(dev, "tx error %x\n", + next->tx_comp.rcs[i]); +- continue; +- } + index = be32_to_cpu(next->tx_comp.correlators[i]); + txbuff = &adapter->tx_pool[pool].tx_buff[index]; + +@@ -1707,6 +1718,11 @@ static union sub_crq *ibmvnic_next_scrq(struct ibmvnic_adapter *adapter, + } + spin_unlock_irqrestore(&scrq->lock, flags); + ++ /* Ensure that the entire buffer descriptor has been ++ * loaded before reading its contents ++ */ ++ dma_rmb(); ++ + return entry; + } + +diff --git a/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c b/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c +index a57d5a81eb05d..858c99864047c 100644 +--- a/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c ++++ b/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c +@@ -331,6 +331,24 @@ out_free: + return err; + } + ++static u32 fwp_fill_manage_pages_out(struct fw_page *fwp, u32 *out, u32 index, ++ u32 npages) ++{ ++ u32 pages_set = 0; ++ unsigned int n; ++ ++ for_each_clear_bit(n, &fwp->bitmask, MLX5_NUM_4K_IN_PAGE) { ++ MLX5_ARRAY_SET64(manage_pages_out, out, pas, index + pages_set, ++ fwp->addr + (n * MLX5_ADAPTER_PAGE_SIZE)); ++ pages_set++; ++ ++ if (!--npages) ++ break; ++ } ++ ++ return pages_set; ++} ++ + static int reclaim_pages_cmd(struct mlx5_core_dev *dev, + u32 *in, int in_size, u32 *out, int out_size) + { +@@ -354,8 +372,7 @@ static int reclaim_pages_cmd(struct mlx5_core_dev *dev, + if (fwp->func_id != func_id) + continue; + +- MLX5_ARRAY_SET64(manage_pages_out, out, pas, i, fwp->addr); +- i++; ++ i += fwp_fill_manage_pages_out(fwp, out, i, npages - i); + } + + MLX5_SET(manage_pages_out, out, output_num_entries, i); +diff --git a/drivers/net/ethernet/pasemi/pasemi_mac.c b/drivers/net/ethernet/pasemi/pasemi_mac.c +index dcd56ac687482..585225fbe2933 100644 +--- a/drivers/net/ethernet/pasemi/pasemi_mac.c ++++ b/drivers/net/ethernet/pasemi/pasemi_mac.c +@@ -1089,16 +1089,20 @@ static int pasemi_mac_open(struct net_device *dev) + + mac->tx = pasemi_mac_setup_tx_resources(dev); + +- if (!mac->tx) ++ if (!mac->tx) { ++ ret = -ENOMEM; + goto out_tx_ring; ++ } + + /* We might already have allocated rings in case mtu was changed + * before interface was brought up. + */ + if (dev->mtu > 1500 && !mac->num_cs) { + pasemi_mac_setup_csrings(mac); +- if (!mac->num_cs) ++ if (!mac->num_cs) { ++ ret = -ENOMEM; + goto out_tx_ring; ++ } + } + + /* Zero out rmon counters */ +diff --git a/drivers/net/usb/ipheth.c b/drivers/net/usb/ipheth.c +index 2b16a5fed9ded..0cf5324d493e8 100644 +--- a/drivers/net/usb/ipheth.c ++++ b/drivers/net/usb/ipheth.c +@@ -70,7 +70,7 @@ + #define IPHETH_USBINTF_SUBCLASS 253 + #define IPHETH_USBINTF_PROTO 1 + +-#define IPHETH_BUF_SIZE 1516 ++#define IPHETH_BUF_SIZE 1514 + #define IPHETH_IP_ALIGN 2 /* padding at front of URB */ + #define IPHETH_TX_TIMEOUT (5 * HZ) + +diff --git a/drivers/pinctrl/intel/pinctrl-baytrail.c b/drivers/pinctrl/intel/pinctrl-baytrail.c +index 1e945aa77734b..fc51922839f82 100644 +--- a/drivers/pinctrl/intel/pinctrl-baytrail.c ++++ b/drivers/pinctrl/intel/pinctrl-baytrail.c +@@ -1017,6 +1017,21 @@ static void byt_gpio_disable_free(struct pinctrl_dev *pctl_dev, + pm_runtime_put(&vg->pdev->dev); + } + ++static void byt_gpio_direct_irq_check(struct byt_gpio *vg, ++ unsigned int offset) ++{ ++ void __iomem *conf_reg = byt_gpio_reg(vg, offset, BYT_CONF0_REG); ++ ++ /* ++ * Before making any direction modifications, do a check if gpio is set ++ * for direct IRQ. On Bay Trail, setting GPIO to output does not make ++ * sense, so let's at least inform the caller before they shoot ++ * themselves in the foot. ++ */ ++ if (readl(conf_reg) & BYT_DIRECT_IRQ_EN) ++ dev_info_once(&vg->pdev->dev, "Potential Error: Setting GPIO with direct_irq_en to output"); ++} ++ + static int byt_gpio_set_direction(struct pinctrl_dev *pctl_dev, + struct pinctrl_gpio_range *range, + unsigned int offset, +@@ -1024,7 +1039,6 @@ static int byt_gpio_set_direction(struct pinctrl_dev *pctl_dev, + { + struct byt_gpio *vg = pinctrl_dev_get_drvdata(pctl_dev); + void __iomem *val_reg = byt_gpio_reg(vg, offset, BYT_VAL_REG); +- void __iomem *conf_reg = byt_gpio_reg(vg, offset, BYT_CONF0_REG); + unsigned long flags; + u32 value; + +@@ -1035,14 +1049,8 @@ static int byt_gpio_set_direction(struct pinctrl_dev *pctl_dev, + if (input) + value |= BYT_OUTPUT_EN; + else +- /* +- * Before making any direction modifications, do a check if gpio +- * is set for direct IRQ. On baytrail, setting GPIO to output +- * does not make sense, so let's at least warn the caller before +- * they shoot themselves in the foot. +- */ +- WARN(readl(conf_reg) & BYT_DIRECT_IRQ_EN, +- "Potential Error: Setting GPIO with direct_irq_en to output"); ++ byt_gpio_direct_irq_check(vg, offset); ++ + writel(value, val_reg); + + raw_spin_unlock_irqrestore(&byt_lock, flags); +@@ -1382,19 +1390,50 @@ static int byt_gpio_get_direction(struct gpio_chip *chip, unsigned int offset) + + static int byt_gpio_direction_input(struct gpio_chip *chip, unsigned int offset) + { +- return pinctrl_gpio_direction_input(chip->base + offset); ++ struct byt_gpio *vg = gpiochip_get_data(chip); ++ void __iomem *val_reg = byt_gpio_reg(vg, offset, BYT_VAL_REG); ++ unsigned long flags; ++ u32 reg; ++ ++ raw_spin_lock_irqsave(&byt_lock, flags); ++ ++ reg = readl(val_reg); ++ reg &= ~BYT_DIR_MASK; ++ reg |= BYT_OUTPUT_EN; ++ writel(reg, val_reg); ++ ++ raw_spin_unlock_irqrestore(&byt_lock, flags); ++ return 0; + } + ++/* ++ * Note despite the temptation this MUST NOT be converted into a call to ++ * pinctrl_gpio_direction_output() + byt_gpio_set() that does not work this ++ * MUST be done as a single BYT_VAL_REG register write. ++ * See the commit message of the commit adding this comment for details. ++ */ + static int byt_gpio_direction_output(struct gpio_chip *chip, + unsigned int offset, int value) + { +- int ret = pinctrl_gpio_direction_output(chip->base + offset); ++ struct byt_gpio *vg = gpiochip_get_data(chip); ++ void __iomem *val_reg = byt_gpio_reg(vg, offset, BYT_VAL_REG); ++ unsigned long flags; ++ u32 reg; + +- if (ret) +- return ret; ++ raw_spin_lock_irqsave(&byt_lock, flags); + +- byt_gpio_set(chip, offset, value); ++ byt_gpio_direct_irq_check(vg, offset); + ++ reg = readl(val_reg); ++ reg &= ~BYT_DIR_MASK; ++ if (value) ++ reg |= BYT_LEVEL; ++ else ++ reg &= ~BYT_LEVEL; ++ ++ writel(reg, val_reg); ++ ++ raw_spin_unlock_irqrestore(&byt_lock, flags); + return 0; + } + +diff --git a/drivers/spi/spi-bcm-qspi.c b/drivers/spi/spi-bcm-qspi.c +index 1906b2319e5bd..5453910d8abc3 100644 +--- a/drivers/spi/spi-bcm-qspi.c ++++ b/drivers/spi/spi-bcm-qspi.c +@@ -1185,7 +1185,7 @@ int bcm_qspi_probe(struct platform_device *pdev, + if (!of_match_node(bcm_qspi_of_match, dev->of_node)) + return -ENODEV; + +- master = spi_alloc_master(dev, sizeof(struct bcm_qspi)); ++ master = devm_spi_alloc_master(dev, sizeof(struct bcm_qspi)); + if (!master) { + dev_err(dev, "error allocating spi_master\n"); + return -ENOMEM; +@@ -1218,21 +1218,17 @@ int bcm_qspi_probe(struct platform_device *pdev, + + if (res) { + qspi->base[MSPI] = devm_ioremap_resource(dev, res); +- if (IS_ERR(qspi->base[MSPI])) { +- ret = PTR_ERR(qspi->base[MSPI]); +- goto qspi_resource_err; +- } ++ if (IS_ERR(qspi->base[MSPI])) ++ return PTR_ERR(qspi->base[MSPI]); + } else { +- goto qspi_resource_err; ++ return 0; + } + + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "bspi"); + if (res) { + qspi->base[BSPI] = devm_ioremap_resource(dev, res); +- if (IS_ERR(qspi->base[BSPI])) { +- ret = PTR_ERR(qspi->base[BSPI]); +- goto qspi_resource_err; +- } ++ if (IS_ERR(qspi->base[BSPI])) ++ return PTR_ERR(qspi->base[BSPI]); + qspi->bspi_mode = true; + } else { + qspi->bspi_mode = false; +@@ -1243,18 +1239,14 @@ int bcm_qspi_probe(struct platform_device *pdev, + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "cs_reg"); + if (res) { + qspi->base[CHIP_SELECT] = devm_ioremap_resource(dev, res); +- if (IS_ERR(qspi->base[CHIP_SELECT])) { +- ret = PTR_ERR(qspi->base[CHIP_SELECT]); +- goto qspi_resource_err; +- } ++ if (IS_ERR(qspi->base[CHIP_SELECT])) ++ return PTR_ERR(qspi->base[CHIP_SELECT]); + } + + qspi->dev_ids = kcalloc(num_irqs, sizeof(struct bcm_qspi_dev_id), + GFP_KERNEL); +- if (!qspi->dev_ids) { +- ret = -ENOMEM; +- goto qspi_resource_err; +- } ++ if (!qspi->dev_ids) ++ return -ENOMEM; + + for (val = 0; val < num_irqs; val++) { + irq = -1; +@@ -1330,7 +1322,7 @@ int bcm_qspi_probe(struct platform_device *pdev, + qspi->xfer_mode.addrlen = -1; + qspi->xfer_mode.hp = -1; + +- ret = devm_spi_register_master(&pdev->dev, master); ++ ret = spi_register_master(master); + if (ret < 0) { + dev_err(dev, "can't register master\n"); + goto qspi_reg_err; +@@ -1343,8 +1335,6 @@ qspi_reg_err: + clk_disable_unprepare(qspi->clk); + qspi_probe_err: + kfree(qspi->dev_ids); +-qspi_resource_err: +- spi_master_put(master); + return ret; + } + /* probe function to be called by SoC specific platform driver probe */ +@@ -1355,10 +1345,10 @@ int bcm_qspi_remove(struct platform_device *pdev) + struct bcm_qspi *qspi = platform_get_drvdata(pdev); + + platform_set_drvdata(pdev, NULL); ++ spi_unregister_master(qspi->master); + bcm_qspi_hw_uninit(qspi); + clk_disable_unprepare(qspi->clk); + kfree(qspi->dev_ids); +- spi_unregister_master(qspi->master); + + return 0; + } +diff --git a/drivers/spi/spi-bcm2835.c b/drivers/spi/spi-bcm2835.c +index df6abc75bc167..6824beae18e4a 100644 +--- a/drivers/spi/spi-bcm2835.c ++++ b/drivers/spi/spi-bcm2835.c +@@ -737,7 +737,7 @@ static int bcm2835_spi_probe(struct platform_device *pdev) + struct resource *res; + int err; + +- master = spi_alloc_master(&pdev->dev, sizeof(*bs)); ++ master = devm_spi_alloc_master(&pdev->dev, sizeof(*bs)); + if (!master) { + dev_err(&pdev->dev, "spi_alloc_master() failed\n"); + return -ENOMEM; +@@ -759,23 +759,20 @@ static int bcm2835_spi_probe(struct platform_device *pdev) + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + bs->regs = devm_ioremap_resource(&pdev->dev, res); +- if (IS_ERR(bs->regs)) { +- err = PTR_ERR(bs->regs); +- goto out_master_put; +- } ++ if (IS_ERR(bs->regs)) ++ return PTR_ERR(bs->regs); + + bs->clk = devm_clk_get(&pdev->dev, NULL); + if (IS_ERR(bs->clk)) { + err = PTR_ERR(bs->clk); + dev_err(&pdev->dev, "could not get clk: %d\n", err); +- goto out_master_put; ++ return err; + } + + bs->irq = platform_get_irq(pdev, 0); + if (bs->irq <= 0) { + dev_err(&pdev->dev, "could not get IRQ: %d\n", bs->irq); +- err = bs->irq ? bs->irq : -ENODEV; +- goto out_master_put; ++ return bs->irq ? bs->irq : -ENODEV; + } + + clk_prepare_enable(bs->clk); +@@ -790,21 +787,20 @@ static int bcm2835_spi_probe(struct platform_device *pdev) + dev_name(&pdev->dev), master); + if (err) { + dev_err(&pdev->dev, "could not request IRQ: %d\n", err); +- goto out_clk_disable; ++ goto out_dma_release; + } + + err = spi_register_master(master); + if (err) { + dev_err(&pdev->dev, "could not register SPI master: %d\n", err); +- goto out_clk_disable; ++ goto out_dma_release; + } + + return 0; + +-out_clk_disable: ++out_dma_release: ++ bcm2835_dma_release(master); + clk_disable_unprepare(bs->clk); +-out_master_put: +- spi_master_put(master); + return err; + } + +diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c +index 3fadc564d781c..e0632ee1723b0 100644 +--- a/drivers/spi/spi.c ++++ b/drivers/spi/spi.c +@@ -1827,6 +1827,46 @@ struct spi_master *spi_alloc_master(struct device *dev, unsigned size) + } + EXPORT_SYMBOL_GPL(spi_alloc_master); + ++static void devm_spi_release_master(struct device *dev, void *master) ++{ ++ spi_master_put(*(struct spi_master **)master); ++} ++ ++/** ++ * devm_spi_alloc_master - resource-managed spi_alloc_master() ++ * @dev: physical device of SPI master ++ * @size: how much zeroed driver-private data to allocate ++ * Context: can sleep ++ * ++ * Allocate an SPI master and automatically release a reference on it ++ * when @dev is unbound from its driver. Drivers are thus relieved from ++ * having to call spi_master_put(). ++ * ++ * The arguments to this function are identical to spi_alloc_master(). ++ * ++ * Return: the SPI master structure on success, else NULL. ++ */ ++struct spi_master *devm_spi_alloc_master(struct device *dev, unsigned int size) ++{ ++ struct spi_master **ptr, *master; ++ ++ ptr = devres_alloc(devm_spi_release_master, sizeof(*ptr), ++ GFP_KERNEL); ++ if (!ptr) ++ return NULL; ++ ++ master = spi_alloc_master(dev, size); ++ if (master) { ++ *ptr = master; ++ devres_add(dev, ptr); ++ } else { ++ devres_free(ptr); ++ } ++ ++ return master; ++} ++EXPORT_SYMBOL_GPL(devm_spi_alloc_master); ++ + #ifdef CONFIG_OF + static int of_spi_register_master(struct spi_master *master) + { +@@ -2007,6 +2047,11 @@ int devm_spi_register_master(struct device *dev, struct spi_master *master) + } + EXPORT_SYMBOL_GPL(devm_spi_register_master); + ++static int devm_spi_match_master(struct device *dev, void *res, void *master) ++{ ++ return *(struct spi_master **)res == master; ++} ++ + static int __unregister(struct device *dev, void *null) + { + spi_unregister_device(to_spi_device(dev)); +@@ -2025,18 +2070,25 @@ static int __unregister(struct device *dev, void *null) + */ + void spi_unregister_master(struct spi_master *master) + { ++ device_for_each_child(&master->dev, NULL, __unregister); ++ + if (master->queued) { + if (spi_destroy_queue(master)) + dev_err(&master->dev, "queue remove failed\n"); + } + +- device_for_each_child(&master->dev, NULL, __unregister); +- + mutex_lock(&board_lock); + list_del(&master->list); + mutex_unlock(&board_lock); + +- device_unregister(&master->dev); ++ device_del(&master->dev); ++ ++ /* Release the last reference on the master if its driver ++ * has not yet been converted to devm_spi_alloc_master(). ++ */ ++ if (!devres_find(master->dev.parent, devm_spi_release_master, ++ devm_spi_match_master, master)) ++ put_device(&master->dev); + } + EXPORT_SYMBOL_GPL(spi_unregister_master); + +diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c +index 15e0116e1232e..7b4aca20cb299 100644 +--- a/drivers/tty/tty_io.c ++++ b/drivers/tty/tty_io.c +@@ -544,8 +544,8 @@ static void __proc_set_tty(struct tty_struct *tty) + put_pid(tty->session); + put_pid(tty->pgrp); + tty->pgrp = get_pid(task_pgrp(current)); +- spin_unlock_irqrestore(&tty->ctrl_lock, flags); + tty->session = get_pid(task_session(current)); ++ spin_unlock_irqrestore(&tty->ctrl_lock, flags); + if (current->signal->tty) { + tty_debug(tty, "current tty %s not NULL!!\n", + current->signal->tty->name); +@@ -935,21 +935,24 @@ void disassociate_ctty(int on_exit) + spin_lock_irq(¤t->sighand->siglock); + put_pid(current->signal->tty_old_pgrp); + current->signal->tty_old_pgrp = NULL; +- + tty = tty_kref_get(current->signal->tty); ++ spin_unlock_irq(¤t->sighand->siglock); ++ + if (tty) { + unsigned long flags; ++ ++ tty_lock(tty); + spin_lock_irqsave(&tty->ctrl_lock, flags); + put_pid(tty->session); + put_pid(tty->pgrp); + tty->session = NULL; + tty->pgrp = NULL; + spin_unlock_irqrestore(&tty->ctrl_lock, flags); ++ tty_unlock(tty); + tty_kref_put(tty); + } else + tty_debug_hangup(tty, "no current tty\n"); + +- spin_unlock_irq(¤t->sighand->siglock); + /* Now clear signal->tty under the lock */ + read_lock(&tasklist_lock); + session_clear_tty(task_session(current)); +@@ -2628,14 +2631,19 @@ static int tiocspgrp(struct tty_struct *tty, struct tty_struct *real_tty, pid_t + return -ENOTTY; + if (retval) + return retval; +- if (!current->signal->tty || +- (current->signal->tty != real_tty) || +- (real_tty->session != task_session(current))) +- return -ENOTTY; ++ + if (get_user(pgrp_nr, p)) + return -EFAULT; + if (pgrp_nr < 0) + return -EINVAL; ++ ++ spin_lock_irq(&real_tty->ctrl_lock); ++ if (!current->signal->tty || ++ (current->signal->tty != real_tty) || ++ (real_tty->session != task_session(current))) { ++ retval = -ENOTTY; ++ goto out_unlock_ctrl; ++ } + rcu_read_lock(); + pgrp = find_vpid(pgrp_nr); + retval = -ESRCH; +@@ -2645,12 +2653,12 @@ static int tiocspgrp(struct tty_struct *tty, struct tty_struct *real_tty, pid_t + if (session_of_pgrp(pgrp) != task_session(current)) + goto out_unlock; + retval = 0; +- spin_lock_irq(&tty->ctrl_lock); + put_pid(real_tty->pgrp); + real_tty->pgrp = get_pid(pgrp); +- spin_unlock_irq(&tty->ctrl_lock); + out_unlock: + rcu_read_unlock(); ++out_unlock_ctrl: ++ spin_unlock_irq(&real_tty->ctrl_lock); + return retval; + } + +@@ -2662,21 +2670,31 @@ out_unlock: + * + * Obtain the session id of the tty. If there is no session + * return an error. +- * +- * Locking: none. Reference to current->signal->tty is safe. + */ + + static int tiocgsid(struct tty_struct *tty, struct tty_struct *real_tty, pid_t __user *p) + { ++ unsigned long flags; ++ pid_t sid; ++ + /* + * (tty == real_tty) is a cheap way of + * testing if the tty is NOT a master pty. + */ + if (tty == real_tty && current->signal->tty != real_tty) + return -ENOTTY; ++ ++ spin_lock_irqsave(&real_tty->ctrl_lock, flags); + if (!real_tty->session) +- return -ENOTTY; +- return put_user(pid_vnr(real_tty->session), p); ++ goto err; ++ sid = pid_vnr(real_tty->session); ++ spin_unlock_irqrestore(&real_tty->ctrl_lock, flags); ++ ++ return put_user(sid, p); ++ ++err: ++ spin_unlock_irqrestore(&real_tty->ctrl_lock, flags); ++ return -ENOTTY; + } + + /** +@@ -3094,10 +3112,14 @@ void __do_SAK(struct tty_struct *tty) + struct task_struct *g, *p; + struct pid *session; + int i; ++ unsigned long flags; + + if (!tty) + return; +- session = tty->session; ++ ++ spin_lock_irqsave(&tty->ctrl_lock, flags); ++ session = get_pid(tty->session); ++ spin_unlock_irqrestore(&tty->ctrl_lock, flags); + + tty_ldisc_flush(tty); + +@@ -3129,6 +3151,7 @@ void __do_SAK(struct tty_struct *tty) + task_unlock(p); + } while_each_thread(g, p); + read_unlock(&tasklist_lock); ++ put_pid(session); + #endif + } + +diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c +index bea11be98526c..68489557752da 100644 +--- a/drivers/usb/gadget/function/f_fs.c ++++ b/drivers/usb/gadget/function/f_fs.c +@@ -1224,7 +1224,7 @@ static long ffs_epfile_ioctl(struct file *file, unsigned code, + case FUNCTIONFS_ENDPOINT_DESC: + { + int desc_idx; +- struct usb_endpoint_descriptor *desc; ++ struct usb_endpoint_descriptor desc1, *desc; + + switch (epfile->ffs->gadget->speed) { + case USB_SPEED_SUPER: +@@ -1236,10 +1236,12 @@ static long ffs_epfile_ioctl(struct file *file, unsigned code, + default: + desc_idx = 0; + } ++ + desc = epfile->ep->descs[desc_idx]; ++ memcpy(&desc1, desc, desc->bLength); + + spin_unlock_irq(&epfile->ffs->eps_lock); +- ret = copy_to_user((void *)value, desc, sizeof(*desc)); ++ ret = copy_to_user((void *)value, &desc1, desc1.bLength); + if (ret) + ret = -EFAULT; + return ret; +diff --git a/drivers/usb/serial/ch341.c b/drivers/usb/serial/ch341.c +index cfa02d7123623..fc1c8f4f34c18 100644 +--- a/drivers/usb/serial/ch341.c ++++ b/drivers/usb/serial/ch341.c +@@ -70,10 +70,11 @@ + + + static const struct usb_device_id id_table[] = { +- { USB_DEVICE(0x4348, 0x5523) }, ++ { USB_DEVICE(0x1a86, 0x5512) }, ++ { USB_DEVICE(0x1a86, 0x5523) }, + { USB_DEVICE(0x1a86, 0x7522) }, + { USB_DEVICE(0x1a86, 0x7523) }, +- { USB_DEVICE(0x1a86, 0x5523) }, ++ { USB_DEVICE(0x4348, 0x5523) }, + { }, + }; + MODULE_DEVICE_TABLE(usb, id_table); +diff --git a/drivers/usb/serial/kl5kusb105.c b/drivers/usb/serial/kl5kusb105.c +index 6cb45757818fa..64f5765df5b61 100644 +--- a/drivers/usb/serial/kl5kusb105.c ++++ b/drivers/usb/serial/kl5kusb105.c +@@ -293,12 +293,12 @@ static int klsi_105_open(struct tty_struct *tty, struct usb_serial_port *port) + priv->cfg.unknown2 = cfg->unknown2; + spin_unlock_irqrestore(&priv->lock, flags); + ++ kfree(cfg); ++ + /* READ_ON and urb submission */ + rc = usb_serial_generic_open(tty, port); +- if (rc) { +- retval = rc; +- goto err_free_cfg; +- } ++ if (rc) ++ return rc; + + rc = usb_control_msg(port->serial->dev, + usb_sndctrlpipe(port->serial->dev, 0), +@@ -341,8 +341,6 @@ err_disable_read: + KLSI_TIMEOUT); + err_generic_close: + usb_serial_generic_close(port); +-err_free_cfg: +- kfree(cfg); + + return retval; + } +diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c +index 34ac1265afe46..e8643612e9a39 100644 +--- a/drivers/usb/serial/option.c ++++ b/drivers/usb/serial/option.c +@@ -419,6 +419,7 @@ static void option_instat_callback(struct urb *urb); + #define CINTERION_PRODUCT_PH8 0x0053 + #define CINTERION_PRODUCT_AHXX 0x0055 + #define CINTERION_PRODUCT_PLXX 0x0060 ++#define CINTERION_PRODUCT_EXS82 0x006c + #define CINTERION_PRODUCT_PH8_2RMNET 0x0082 + #define CINTERION_PRODUCT_PH8_AUDIO 0x0083 + #define CINTERION_PRODUCT_AHXX_2RMNET 0x0084 +@@ -1885,6 +1886,7 @@ static const struct usb_device_id option_ids[] = { + { USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, CINTERION_PRODUCT_AHXX_AUDIO, 0xff) }, + { USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, CINTERION_PRODUCT_CLS8, 0xff), + .driver_info = RSVD(0) | RSVD(4) }, ++ { USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, CINTERION_PRODUCT_EXS82, 0xff) }, + { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_HC28_MDM) }, + { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_HC28_MDMNET) }, + { USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC25_MDM) }, +@@ -2031,12 +2033,13 @@ static const struct usb_device_id option_ids[] = { + .driver_info = RSVD(0) | RSVD(1) | RSVD(6) }, + { USB_DEVICE(0x0489, 0xe0b5), /* Foxconn T77W968 ESIM */ + .driver_info = RSVD(0) | RSVD(1) | RSVD(6) }, +- { USB_DEVICE(0x1508, 0x1001), /* Fibocom NL668 */ ++ { USB_DEVICE(0x1508, 0x1001), /* Fibocom NL668 (IOT version) */ + .driver_info = RSVD(4) | RSVD(5) | RSVD(6) }, + { USB_DEVICE(0x2cb7, 0x0104), /* Fibocom NL678 series */ + .driver_info = RSVD(4) | RSVD(5) }, + { USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x0105, 0xff), /* Fibocom NL678 series */ + .driver_info = RSVD(6) }, ++ { USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x01a0, 0xff) }, /* Fibocom NL668-AM/NL652-EU (laptop MBIM) */ + { USB_DEVICE_INTERFACE_CLASS(0x305a, 0x1404, 0xff) }, /* GosunCn GM500 RNDIS */ + { USB_DEVICE_INTERFACE_CLASS(0x305a, 0x1405, 0xff) }, /* GosunCn GM500 MBIM */ + { USB_DEVICE_INTERFACE_CLASS(0x305a, 0x1406, 0xff) }, /* GosunCn GM500 ECM/NCM */ +diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c +index 7391634520ab2..6afaacb791a13 100644 +--- a/fs/btrfs/volumes.c ++++ b/fs/btrfs/volumes.c +@@ -2431,9 +2431,6 @@ int btrfs_init_new_device(struct btrfs_root *root, char *device_path) + btrfs_set_super_num_devices(root->fs_info->super_copy, + tmp + 1); + +- /* add sysfs device entry */ +- btrfs_sysfs_add_device_link(root->fs_info->fs_devices, device); +- + /* + * we've got more storage, clear any full flags on the space + * infos +@@ -2441,6 +2438,10 @@ int btrfs_init_new_device(struct btrfs_root *root, char *device_path) + btrfs_clear_space_info_full(root->fs_info); + + unlock_chunks(root); ++ ++ /* add sysfs device entry */ ++ btrfs_sysfs_add_device_link(root->fs_info->fs_devices, device); ++ + mutex_unlock(&root->fs_info->fs_devices->device_list_mutex); + + if (seeding_dev) { +diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c +index df8fab6fc2cac..af78de9ef036c 100644 +--- a/fs/cifs/connect.c ++++ b/fs/cifs/connect.c +@@ -730,6 +730,8 @@ static void clean_demultiplex_info(struct TCP_Server_Info *server) + list_del_init(&server->tcp_ses_list); + spin_unlock(&cifs_tcp_ses_lock); + ++ cancel_delayed_work_sync(&server->echo); ++ + spin_lock(&GlobalMid_Lock); + server->tcpStatus = CifsExiting; + spin_unlock(&GlobalMid_Lock); +diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c +index 9621badb95995..56a94535c246f 100644 +--- a/fs/gfs2/rgrp.c ++++ b/fs/gfs2/rgrp.c +@@ -1000,6 +1000,10 @@ static int gfs2_ri_update(struct gfs2_inode *ip) + if (error < 0) + return error; + ++ if (RB_EMPTY_ROOT(&sdp->sd_rindex_tree)) { ++ fs_err(sdp, "no resource groups found in the file system.\n"); ++ return -ENOENT; ++ } + set_rgrp_preferences(sdp); + + sdp->sd_rindex_uptodate = 1; +diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h +index 7e39719e27cbc..27edc7f2de31b 100644 +--- a/include/linux/if_vlan.h ++++ b/include/linux/if_vlan.h +@@ -30,6 +30,8 @@ + #define VLAN_ETH_DATA_LEN 1500 /* Max. octets in payload */ + #define VLAN_ETH_FRAME_LEN 1518 /* Max. octets in frame sans FCS */ + ++#define VLAN_MAX_DEPTH 8 /* Max. number of nested VLAN tags parsed */ ++ + /* + * struct vlan_hdr - vlan header + * @h_vlan_TCI: priority and VLAN ID +@@ -495,10 +497,10 @@ static inline int vlan_get_tag(const struct sk_buff *skb, u16 *vlan_tci) + * Returns the EtherType of the packet, regardless of whether it is + * vlan encapsulated (normal or hardware accelerated) or not. + */ +-static inline __be16 __vlan_get_protocol(struct sk_buff *skb, __be16 type, ++static inline __be16 __vlan_get_protocol(const struct sk_buff *skb, __be16 type, + int *depth) + { +- unsigned int vlan_depth = skb->mac_len; ++ unsigned int vlan_depth = skb->mac_len, parse_depth = VLAN_MAX_DEPTH; + + /* if type is 802.1Q/AD then the header should already be + * present at mac_len - VLAN_HLEN (if mac_len > 0), or at +@@ -513,13 +515,12 @@ static inline __be16 __vlan_get_protocol(struct sk_buff *skb, __be16 type, + vlan_depth = ETH_HLEN; + } + do { +- struct vlan_hdr *vh; ++ struct vlan_hdr vhdr, *vh; + +- if (unlikely(!pskb_may_pull(skb, +- vlan_depth + VLAN_HLEN))) ++ vh = skb_header_pointer(skb, vlan_depth, sizeof(vhdr), &vhdr); ++ if (unlikely(!vh || !--parse_depth)) + return 0; + +- vh = (struct vlan_hdr *)(skb->data + vlan_depth); + type = vh->h_vlan_encapsulated_proto; + vlan_depth += VLAN_HLEN; + } while (eth_type_vlan(type)); +@@ -538,11 +539,25 @@ static inline __be16 __vlan_get_protocol(struct sk_buff *skb, __be16 type, + * Returns the EtherType of the packet, regardless of whether it is + * vlan encapsulated (normal or hardware accelerated) or not. + */ +-static inline __be16 vlan_get_protocol(struct sk_buff *skb) ++static inline __be16 vlan_get_protocol(const struct sk_buff *skb) + { + return __vlan_get_protocol(skb, skb->protocol, NULL); + } + ++/* A getter for the SKB protocol field which will handle VLAN tags consistently ++ * whether VLAN acceleration is enabled or not. ++ */ ++static inline __be16 skb_protocol(const struct sk_buff *skb, bool skip_vlan) ++{ ++ if (!skip_vlan) ++ /* VLAN acceleration strips the VLAN header from the skb and ++ * moves it to skb->vlan_proto ++ */ ++ return skb_vlan_tag_present(skb) ? skb->vlan_proto : skb->protocol; ++ ++ return vlan_get_protocol(skb); ++} ++ + static inline void vlan_set_encap_proto(struct sk_buff *skb, + struct vlan_hdr *vhdr) + { +diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h +index 4b743ac353962..8470695e5dd78 100644 +--- a/include/linux/spi/spi.h ++++ b/include/linux/spi/spi.h +@@ -601,6 +601,8 @@ extern void spi_finalize_current_transfer(struct spi_master *master); + /* the spi driver core manages memory for the spi_master classdev */ + extern struct spi_master * + spi_alloc_master(struct device *host, unsigned size); ++extern struct spi_master * ++devm_spi_alloc_master(struct device *dev, unsigned int size); + + extern int spi_register_master(struct spi_master *master); + extern int devm_spi_register_master(struct device *dev, +diff --git a/include/linux/tty.h b/include/linux/tty.h +index 15cf871046b39..a41146b6eaf42 100644 +--- a/include/linux/tty.h ++++ b/include/linux/tty.h +@@ -293,6 +293,10 @@ struct tty_struct { + struct termiox *termiox; /* May be NULL for unsupported */ + char name[64]; + struct pid *pgrp; /* Protected by ctrl lock */ ++ /* ++ * Writes protected by both ctrl lock and legacy mutex, readers must use ++ * at least one of them. ++ */ + struct pid *session; + unsigned long flags; + int count; +diff --git a/include/net/bonding.h b/include/net/bonding.h +index 8750c2c4871a3..bd29fd190bb12 100644 +--- a/include/net/bonding.h ++++ b/include/net/bonding.h +@@ -170,6 +170,11 @@ struct slave { + struct rtnl_link_stats64 slave_stats; + }; + ++static inline struct slave *to_slave(struct kobject *kobj) ++{ ++ return container_of(kobj, struct slave, kobj); ++} ++ + struct bond_up_slave { + unsigned int count; + struct rcu_head rcu; +@@ -694,6 +699,9 @@ extern struct bond_parm_tbl ad_select_tbl[]; + /* exported from bond_netlink.c */ + extern struct rtnl_link_ops bond_link_ops; + ++/* exported from bond_sysfs_slave.c */ ++extern const struct sysfs_ops slave_sysfs_ops; ++ + static inline void bond_tx_drop(struct net_device *dev, struct sk_buff *skb) + { + atomic_long_inc(&dev->tx_dropped); +diff --git a/include/net/inet_ecn.h b/include/net/inet_ecn.h +index dce2d586d9cec..245d999c0eac8 100644 +--- a/include/net/inet_ecn.h ++++ b/include/net/inet_ecn.h +@@ -3,6 +3,7 @@ + + #include <linux/ip.h> + #include <linux/skbuff.h> ++#include <linux/if_vlan.h> + + #include <net/inet_sock.h> + #include <net/dsfield.h> +diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c +index 51e47e18764e3..16ca877745f62 100644 +--- a/kernel/trace/ftrace.c ++++ b/kernel/trace/ftrace.c +@@ -1634,6 +1634,8 @@ static bool test_rec_ops_needs_regs(struct dyn_ftrace *rec) + static struct ftrace_ops * + ftrace_find_tramp_ops_any(struct dyn_ftrace *rec); + static struct ftrace_ops * ++ftrace_find_tramp_ops_any_other(struct dyn_ftrace *rec, struct ftrace_ops *op_exclude); ++static struct ftrace_ops * + ftrace_find_tramp_ops_next(struct dyn_ftrace *rec, struct ftrace_ops *ops); + + static bool __ftrace_hash_rec_update(struct ftrace_ops *ops, +@@ -1771,7 +1773,7 @@ static bool __ftrace_hash_rec_update(struct ftrace_ops *ops, + * to it. + */ + if (ftrace_rec_count(rec) == 1 && +- ftrace_find_tramp_ops_any(rec)) ++ ftrace_find_tramp_ops_any_other(rec, ops)) + rec->flags |= FTRACE_FL_TRAMP; + else + rec->flags &= ~FTRACE_FL_TRAMP; +@@ -2199,6 +2201,24 @@ ftrace_find_tramp_ops_any(struct dyn_ftrace *rec) + return NULL; + } + ++static struct ftrace_ops * ++ftrace_find_tramp_ops_any_other(struct dyn_ftrace *rec, struct ftrace_ops *op_exclude) ++{ ++ struct ftrace_ops *op; ++ unsigned long ip = rec->ip; ++ ++ do_for_each_ftrace_op(op, ftrace_ops_list) { ++ ++ if (op == op_exclude || !op->trampoline) ++ continue; ++ ++ if (hash_contains_ip(ip, op->func_hash)) ++ return op; ++ } while_for_each_ftrace_op(op); ++ ++ return NULL; ++} ++ + static struct ftrace_ops * + ftrace_find_tramp_ops_next(struct dyn_ftrace *rec, + struct ftrace_ops *op) +diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c +index 2fdebbb30839e..005929d13c7db 100644 +--- a/kernel/trace/trace.c ++++ b/kernel/trace/trace.c +@@ -2134,7 +2134,7 @@ void trace_buffer_unlock_commit_regs(struct trace_array *tr, + * two. They are that meaningful. + */ + ftrace_trace_stack(tr, buffer, flags, regs ? 0 : 4, pc, regs); +- ftrace_trace_userstack(buffer, flags, pc); ++ ftrace_trace_userstack(tr, buffer, flags, pc); + } + + void +@@ -2299,14 +2299,15 @@ void trace_dump_stack(int skip) + static DEFINE_PER_CPU(int, user_stack_count); + + void +-ftrace_trace_userstack(struct ring_buffer *buffer, unsigned long flags, int pc) ++ftrace_trace_userstack(struct trace_array *tr, ++ struct ring_buffer *buffer, unsigned long flags, int pc) + { + struct trace_event_call *call = &event_user_stack; + struct ring_buffer_event *event; + struct userstack_entry *entry; + struct stack_trace trace; + +- if (!(global_trace.trace_flags & TRACE_ITER_USERSTACKTRACE)) ++ if (!(tr->trace_flags & TRACE_ITER_USERSTACKTRACE)) + return; + + /* +diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h +index 950c0e12a391a..d9b7910ef3658 100644 +--- a/kernel/trace/trace.h ++++ b/kernel/trace/trace.h +@@ -689,13 +689,15 @@ void update_max_tr_single(struct trace_array *tr, + #endif /* CONFIG_TRACER_MAX_TRACE */ + + #ifdef CONFIG_STACKTRACE +-void ftrace_trace_userstack(struct ring_buffer *buffer, unsigned long flags, ++void ftrace_trace_userstack(struct trace_array *tr, ++ struct ring_buffer *buffer, unsigned long flags, + int pc); + + void __trace_stack(struct trace_array *tr, unsigned long flags, int skip, + int pc); + #else +-static inline void ftrace_trace_userstack(struct ring_buffer *buffer, ++static inline void ftrace_trace_userstack(struct trace_array *tr, ++ struct ring_buffer *buffer, + unsigned long flags, int pc) + { + } +diff --git a/net/bridge/br_netfilter_hooks.c b/net/bridge/br_netfilter_hooks.c +index 62e045c9d4529..7104d5e64abb3 100644 +--- a/net/bridge/br_netfilter_hooks.c ++++ b/net/bridge/br_netfilter_hooks.c +@@ -716,6 +716,11 @@ static int br_nf_dev_queue_xmit(struct net *net, struct sock *sk, struct sk_buff + mtu_reserved = nf_bridge_mtu_reduction(skb); + mtu = skb->dev->mtu; + ++ if (nf_bridge->pkt_otherhost) { ++ skb->pkt_type = PACKET_OTHERHOST; ++ nf_bridge->pkt_otherhost = false; ++ } ++ + if (nf_bridge->frag_max_size && nf_bridge->frag_max_size < mtu) + mtu = nf_bridge->frag_max_size; + +@@ -809,8 +814,6 @@ static unsigned int br_nf_post_routing(void *priv, + else + return NF_ACCEPT; + +- /* We assume any code from br_dev_queue_push_xmit onwards doesn't care +- * about the value of skb->pkt_type. */ + if (skb->pkt_type == PACKET_OTHERHOST) { + skb->pkt_type = PACKET_HOST; + nf_bridge->pkt_otherhost = true; +diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c +index ba81655a584bd..b139c149c42ac 100644 +--- a/net/iucv/af_iucv.c ++++ b/net/iucv/af_iucv.c +@@ -1753,7 +1753,7 @@ static int iucv_callback_connreq(struct iucv_path *path, + } + + /* Create the new socket */ +- nsk = iucv_sock_alloc(NULL, sk->sk_type, GFP_ATOMIC, 0); ++ nsk = iucv_sock_alloc(NULL, sk->sk_protocol, GFP_ATOMIC, 0); + if (!nsk) { + err = pr_iucv->path_sever(path, user_data); + iucv_path_free(path); +@@ -1963,7 +1963,7 @@ static int afiucv_hs_callback_syn(struct sock *sk, struct sk_buff *skb) + goto out; + } + +- nsk = iucv_sock_alloc(NULL, sk->sk_type, GFP_ATOMIC, 0); ++ nsk = iucv_sock_alloc(NULL, sk->sk_protocol, GFP_ATOMIC, 0); + bh_lock_sock(sk); + if ((sk->sk_state != IUCV_LISTEN) || + sk_acceptq_is_full(sk) || +diff --git a/net/rose/rose_loopback.c b/net/rose/rose_loopback.c +index 344456206b70b..0f371e50d9c4e 100644 +--- a/net/rose/rose_loopback.c ++++ b/net/rose/rose_loopback.c +@@ -99,10 +99,19 @@ static void rose_loopback_timer(unsigned long param) + } + + if (frametype == ROSE_CALL_REQUEST) { +- if ((dev = rose_dev_get(dest)) != NULL) { +- if (rose_rx_call_request(skb, dev, rose_loopback_neigh, lci_o) == 0) +- kfree_skb(skb); +- } else { ++ if (!rose_loopback_neigh->dev) { ++ kfree_skb(skb); ++ continue; ++ } ++ ++ dev = rose_dev_get(dest); ++ if (!dev) { ++ kfree_skb(skb); ++ continue; ++ } ++ ++ if (rose_rx_call_request(skb, dev, rose_loopback_neigh, lci_o) == 0) { ++ dev_put(dev); + kfree_skb(skb); + } + } else { +diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c +index 7bee5ca336fac..9c3fbf4553cc7 100644 +--- a/net/x25/af_x25.c ++++ b/net/x25/af_x25.c +@@ -679,7 +679,8 @@ static int x25_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len) + int len, i, rc = 0; + + if (addr_len != sizeof(struct sockaddr_x25) || +- addr->sx25_family != AF_X25) { ++ addr->sx25_family != AF_X25 || ++ strnlen(addr->sx25_addr.x25_addr, X25_ADDR_LEN) == X25_ADDR_LEN) { + rc = -EINVAL; + goto out; + } +@@ -773,7 +774,8 @@ static int x25_connect(struct socket *sock, struct sockaddr *uaddr, + + rc = -EINVAL; + if (addr_len != sizeof(struct sockaddr_x25) || +- addr->sx25_family != AF_X25) ++ addr->sx25_family != AF_X25 || ++ strnlen(addr->sx25_addr.x25_addr, X25_ADDR_LEN) == X25_ADDR_LEN) + goto out; + + rc = -ENETUNREACH; +diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c +index 184089c5e8cbc..6089ed6efc8dd 100644 +--- a/sound/pci/hda/hda_generic.c ++++ b/sound/pci/hda/hda_generic.c +@@ -1327,16 +1327,20 @@ static int try_assign_dacs(struct hda_codec *codec, int num_outs, + struct nid_path *path; + hda_nid_t pin = pins[i]; + +- path = snd_hda_get_path_from_idx(codec, path_idx[i]); +- if (path) { +- badness += assign_out_path_ctls(codec, path); +- continue; ++ if (!spec->obey_preferred_dacs) { ++ path = snd_hda_get_path_from_idx(codec, path_idx[i]); ++ if (path) { ++ badness += assign_out_path_ctls(codec, path); ++ continue; ++ } + } + + dacs[i] = get_preferred_dac(codec, pin); + if (dacs[i]) { + if (is_dac_already_used(codec, dacs[i])) + badness += bad->shared_primary; ++ } else if (spec->obey_preferred_dacs) { ++ badness += BAD_NO_PRIMARY_DAC; + } + + if (!dacs[i]) +diff --git a/sound/pci/hda/hda_generic.h b/sound/pci/hda/hda_generic.h +index 6d1cb2fb447d4..33e7eafd93b3d 100644 +--- a/sound/pci/hda/hda_generic.h ++++ b/sound/pci/hda/hda_generic.h +@@ -229,6 +229,7 @@ struct hda_gen_spec { + unsigned int add_jack_modes:1; /* add i/o jack mode enum ctls */ + unsigned int power_down_unused:1; /* power down unused widgets */ + unsigned int dac_min_mute:1; /* minimal = mute for DACs */ ++ unsigned int obey_preferred_dacs:1; /* obey preferred_dacs assignment */ + + /* other internal flags */ + unsigned int no_analog:1; /* digital I/O only */ +diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c +index df6d0211df515..73acdd43bdc93 100644 +--- a/sound/pci/hda/patch_realtek.c ++++ b/sound/pci/hda/patch_realtek.c +@@ -380,6 +380,7 @@ static void alc_fill_eapd_coef(struct hda_codec *codec) + alc_update_coef_idx(codec, 0x7, 1<<5, 0); + break; + case 0x10ec0892: ++ case 0x10ec0897: + alc_update_coef_idx(codec, 0x7, 1<<5, 0); + break; + case 0x10ec0899: +@@ -7487,6 +7488,7 @@ static const struct hda_device_id snd_hda_id_realtek[] = { + HDA_CODEC_ENTRY(0x10ec0888, "ALC888", patch_alc882), + HDA_CODEC_ENTRY(0x10ec0889, "ALC889", patch_alc882), + HDA_CODEC_ENTRY(0x10ec0892, "ALC892", patch_alc662), ++ HDA_CODEC_ENTRY(0x10ec0897, "ALC897", patch_alc662), + HDA_CODEC_ENTRY(0x10ec0899, "ALC898", patch_alc882), + HDA_CODEC_ENTRY(0x10ec0900, "ALC1150", patch_alc882), + {} /* terminator */ +diff --git a/tools/objtool/arch/x86/include/asm/insn.h b/tools/objtool/arch/x86/include/asm/insn.h +index b3e32b010ab19..b56241a446393 100644 +--- a/tools/objtool/arch/x86/include/asm/insn.h ++++ b/tools/objtool/arch/x86/include/asm/insn.h +@@ -208,4 +208,19 @@ static inline int insn_offset_immediate(struct insn *insn) + return insn_offset_displacement(insn) + insn->displacement.nbytes; + } + ++/** ++ * for_each_insn_prefix() -- Iterate prefixes in the instruction ++ * @insn: Pointer to struct insn. ++ * @idx: Index storage. ++ * @prefix: Prefix byte. ++ * ++ * Iterate prefix bytes of given @insn. Each prefix byte is stored in @prefix ++ * and the index is stored in @idx (note that this @idx is just for a cursor, ++ * do not change it.) ++ * Since prefixes.nbytes can be bigger than 4 if some prefixes ++ * are repeated, it cannot be used for looping over the prefixes. ++ */ ++#define for_each_insn_prefix(insn, idx, prefix) \ ++ for (idx = 0; idx < ARRAY_SIZE(insn->prefixes.bytes) && (prefix = insn->prefixes.bytes[idx]) != 0; idx++) ++ + #endif /* _ASM_X86_INSN_H */
