diff --git a/Makefile b/Makefile
index 99c5e87..27acaf4 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
VERSION = 2
PATCHLEVEL = 6
SUBLEVEL = 22
-EXTRAVERSION = .18
+EXTRAVERSION = .19
NAME = Holy Dancing Manatees, Batman!
# *DOCUMENTATION*
diff --git a/arch/i386/kernel/entry.S b/arch/i386/kernel/entry.S
index 3c3c220..b7be5cf 100644
--- a/arch/i386/kernel/entry.S
+++ b/arch/i386/kernel/entry.S
@@ -409,8 +409,6 @@ restore_nocheck_notrace:
1: INTERRUPT_RETURN
.section .fixup,"ax"
iret_exc:
- TRACE_IRQS_ON
- ENABLE_INTERRUPTS(CLBR_NONE)
pushl $0 # no error code
pushl $do_iret_error
jmp error_code
diff --git a/arch/i386/kernel/ptrace.c b/arch/i386/kernel/ptrace.c
index 0c0ceec..120a63b 100644
--- a/arch/i386/kernel/ptrace.c
+++ b/arch/i386/kernel/ptrace.c
@@ -164,14 +164,22 @@ static unsigned long convert_eip_to_linear(struct
task_struct *child, struct pt_
u32 *desc;
unsigned long base;
- down(&child->mm->context.sem);
- desc = child->mm->context.ldt + (seg & ~7);
- base = (desc[0] >> 16) | ((desc[1] & 0xff) << 16) | (desc[1] &
0xff000000);
+ seg &= ~7UL;
- /* 16-bit code segment? */
- if (!((desc[1] >> 22) & 1))
- addr &= 0xffff;
- addr += base;
+ down(&child->mm->context.sem);
+ if (unlikely((seg >> 3) >= child->mm->context.size))
+ addr = -1L; /* bogus selector, access would fault */
+ else {
+ desc = child->mm->context.ldt + seg;
+ base = ((desc[0] >> 16) |
+ ((desc[1] & 0xff) << 16) |
+ (desc[1] & 0xff000000));
+
+ /* 16-bit code segment? */
+ if (!((desc[1] >> 22) & 1))
+ addr &= 0xffff;
+ addr += base;
+ }
up(&child->mm->context.sem);
}
return addr;
diff --git a/arch/i386/kernel/traps.c b/arch/i386/kernel/traps.c
index 90da057..4995b92 100644
--- a/arch/i386/kernel/traps.c
+++ b/arch/i386/kernel/traps.c
@@ -517,10 +517,12 @@ fastcall void do_##name(struct pt_regs * regs, long
error_code) \
do_trap(trapnr, signr, str, 0, regs, error_code, NULL); \
}
-#define DO_ERROR_INFO(trapnr, signr, str, name, sicode, siaddr) \
+#define DO_ERROR_INFO(trapnr, signr, str, name, sicode, siaddr, irq) \
fastcall void do_##name(struct pt_regs * regs, long error_code) \
{ \
siginfo_t info; \
+ if (irq) \
+ local_irq_enable(); \
info.si_signo = signr; \
info.si_errno = 0; \
info.si_code = sicode; \
@@ -560,13 +562,13 @@ DO_VM86_ERROR( 3, SIGTRAP, "int3", int3)
#endif
DO_VM86_ERROR( 4, SIGSEGV, "overflow", overflow)
DO_VM86_ERROR( 5, SIGSEGV, "bounds", bounds)
-DO_ERROR_INFO( 6, SIGILL, "invalid opcode", invalid_op, ILL_ILLOPN, regs->eip)
+DO_ERROR_INFO( 6, SIGILL, "invalid opcode", invalid_op, ILL_ILLOPN,
regs->eip, 0)
DO_ERROR( 9, SIGFPE, "coprocessor segment overrun",
coprocessor_segment_overrun)
DO_ERROR(10, SIGSEGV, "invalid TSS", invalid_TSS)
DO_ERROR(11, SIGBUS, "segment not present", segment_not_present)
DO_ERROR(12, SIGBUS, "stack segment", stack_segment)
-DO_ERROR_INFO(17, SIGBUS, "alignment check", alignment_check, BUS_ADRALN, 0)
-DO_ERROR_INFO(32, SIGSEGV, "iret exception", iret_error, ILL_BADSTK, 0)
+DO_ERROR_INFO(17, SIGBUS, "alignment check", alignment_check, BUS_ADRALN, 0, 0)
+DO_ERROR_INFO(32, SIGSEGV, "iret exception", iret_error, ILL_BADSTK, 0, 1)
fastcall void __kprobes do_general_protection(struct pt_regs * regs,
long error_code)
diff --git a/arch/x86_64/kernel/ptrace.c b/arch/x86_64/kernel/ptrace.c
index 8d89d8c..7fc0e73 100644
--- a/arch/x86_64/kernel/ptrace.c
+++ b/arch/x86_64/kernel/ptrace.c
@@ -102,16 +102,25 @@ unsigned long convert_rip_to_linear(struct task_struct
*child, struct pt_regs *r
u32 *desc;
unsigned long base;
- down(&child->mm->context.sem);
- desc = child->mm->context.ldt + (seg & ~7);
- base = (desc[0] >> 16) | ((desc[1] & 0xff) << 16) | (desc[1] &
0xff000000);
+ seg &= ~7UL;
- /* 16-bit code segment? */
- if (!((desc[1] >> 22) & 1))
- addr &= 0xffff;
- addr += base;
+ down(&child->mm->context.sem);
+ if (unlikely((seg >> 3) >= child->mm->context.size))
+ addr = -1L; /* bogus selector, access would fault */
+ else {
+ desc = child->mm->context.ldt + seg;
+ base = ((desc[0] >> 16) |
+ ((desc[1] & 0xff) << 16) |
+ (desc[1] & 0xff000000));
+
+ /* 16-bit code segment? */
+ if (!((desc[1] >> 22) & 1))
+ addr &= 0xffff;
+ addr += base;
+ }
up(&child->mm->context.sem);
}
+
return addr;
}
diff --git a/drivers/ata/sata_promise.c b/drivers/ata/sata_promise.c
index 6dc0b01..681b76a 100644
--- a/drivers/ata/sata_promise.c
+++ b/drivers/ata/sata_promise.c
@@ -51,6 +51,7 @@
enum {
PDC_MAX_PORTS = 4,
PDC_MMIO_BAR = 3,
+ PDC_MAX_PRD = LIBATA_MAX_PRD - 1, /* -1 for ASIC PRD bug
workaround */
/* register offsets */
PDC_FEATURE = 0x04, /* Feature/Error reg (per port) */
@@ -157,7 +158,7 @@ static struct scsi_host_template pdc_ata_sht = {
.queuecommand = ata_scsi_queuecmd,
.can_queue = ATA_DEF_QUEUE,
.this_id = ATA_SHT_THIS_ID,
- .sg_tablesize = LIBATA_MAX_PRD,
+ .sg_tablesize = PDC_MAX_PRD,
.cmd_per_lun = ATA_SHT_CMD_PER_LUN,
.emulated = ATA_SHT_EMULATED,
.use_clustering = ATA_SHT_USE_CLUSTERING,
@@ -330,8 +331,8 @@ static const struct pci_device_id pdc_ata_pci_tbl[] = {
{ PCI_VDEVICE(PROMISE, 0x3318), board_20319 },
{ PCI_VDEVICE(PROMISE, 0x3319), board_20319 },
- { PCI_VDEVICE(PROMISE, 0x3515), board_20319 },
- { PCI_VDEVICE(PROMISE, 0x3519), board_20319 },
+ { PCI_VDEVICE(PROMISE, 0x3515), board_40518 },
+ { PCI_VDEVICE(PROMISE, 0x3519), board_40518 },
{ PCI_VDEVICE(PROMISE, 0x3d17), board_40518 },
{ PCI_VDEVICE(PROMISE, 0x3d18), board_40518 },
@@ -531,6 +532,84 @@ static void pdc_atapi_pkt(struct ata_queued_cmd *qc)
memcpy(buf+31, cdb, cdb_len);
}
+/**
+ * pdc_fill_sg - Fill PCI IDE PRD table
+ * @qc: Metadata associated with taskfile to be transferred
+ *
+ * Fill PCI IDE PRD (scatter-gather) table with segments
+ * associated with the current disk command.
+ * Make sure hardware does not choke on it.
+ *
+ * LOCKING:
+ * spin_lock_irqsave(host lock)
+ *
+ */
+static void pdc_fill_sg(struct ata_queued_cmd *qc)
+{
+ struct ata_port *ap = qc->ap;
+ struct scatterlist *sg;
+ unsigned int idx;
+ const u32 SG_COUNT_ASIC_BUG = 41*4;
+
+ if (!(qc->flags & ATA_QCFLAG_DMAMAP))
+ return;
+
+ WARN_ON(qc->__sg == NULL);
+ WARN_ON(qc->n_elem == 0 && qc->pad_len == 0);
+
+ idx = 0;
+ ata_for_each_sg(sg, qc) {
+ u32 addr, offset;
+ u32 sg_len, len;
+
+ /* determine if physical DMA addr spans 64K boundary.
+ * Note h/w doesn't support 64-bit, so we unconditionally
+ * truncate dma_addr_t to u32.
+ */
+ addr = (u32) sg_dma_address(sg);
+ sg_len = sg_dma_len(sg);
+
+ while (sg_len) {
+ offset = addr & 0xffff;
+ len = sg_len;
+ if ((offset + sg_len) > 0x10000)
+ len = 0x10000 - offset;
+
+ ap->prd[idx].addr = cpu_to_le32(addr);
+ ap->prd[idx].flags_len = cpu_to_le32(len & 0xffff);
+ VPRINTK("PRD[%u] = (0x%X, 0x%X)\n", idx, addr, len);
+
+ idx++;
+ sg_len -= len;
+ addr += len;
+ }
+ }
+
+ if (idx) {
+ u32 len = le32_to_cpu(ap->prd[idx - 1].flags_len);
+
+ if (len > SG_COUNT_ASIC_BUG) {
+ u32 addr;
+
+ VPRINTK("Splitting last PRD.\n");
+
+ addr = le32_to_cpu(ap->prd[idx - 1].addr);
+ ap->prd[idx - 1].flags_len = cpu_to_le32(len -
SG_COUNT_ASIC_BUG);
+ VPRINTK("PRD[%u] = (0x%X, 0x%X)\n", idx - 1, addr,
SG_COUNT_ASIC_BUG);
+
+ addr = addr + len - SG_COUNT_ASIC_BUG;
+ len = SG_COUNT_ASIC_BUG;
+ ap->prd[idx].addr = cpu_to_le32(addr);
+ ap->prd[idx].flags_len = cpu_to_le32(len);
+ VPRINTK("PRD[%u] = (0x%X, 0x%X)\n", idx, addr, len);
+
+ idx++;
+ }
+
+ ap->prd[idx - 1].flags_len |= cpu_to_le32(ATA_PRD_EOT);
+ }
+}
+
static void pdc_qc_prep(struct ata_queued_cmd *qc)
{
struct pdc_port_priv *pp = qc->ap->private_data;
@@ -540,7 +619,7 @@ static void pdc_qc_prep(struct ata_queued_cmd *qc)
switch (qc->tf.protocol) {
case ATA_PROT_DMA:
- ata_qc_prep(qc);
+ pdc_fill_sg(qc);
/* fall through */
case ATA_PROT_NODATA:
@@ -556,11 +635,11 @@ static void pdc_qc_prep(struct ata_queued_cmd *qc)
break;
case ATA_PROT_ATAPI:
- ata_qc_prep(qc);
+ pdc_fill_sg(qc);
break;
case ATA_PROT_ATAPI_DMA:
- ata_qc_prep(qc);
+ pdc_fill_sg(qc);
/*FALLTHROUGH*/
case ATA_PROT_ATAPI_NODATA:
pdc_atapi_pkt(qc);
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 5acc6c4..132f76b 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -3225,12 +3225,15 @@ static int alloc_cciss_hba(void)
for (i = 0; i < MAX_CTLR; i++) {
if (!hba[i]) {
ctlr_info_t *p;
+
p = kzalloc(sizeof(ctlr_info_t), GFP_KERNEL);
if (!p)
goto Enomem;
p->gendisk[0] = alloc_disk(1 << NWD_SHIFT);
- if (!p->gendisk[0])
+ if (!p->gendisk[0]) {
+ kfree(p);
goto Enomem;
+ }
hba[i] = p;
return i;
}
diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index a124060..d06b652 100644
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -20,7 +20,9 @@
#define PCI_DEVICE_ID_INTEL_82965G_IG 0x29A2
#define PCI_DEVICE_ID_INTEL_82965GM_HB 0x2A00
#define PCI_DEVICE_ID_INTEL_82965GM_IG 0x2A02
+#define PCI_DEVICE_ID_INTEL_82965GME_HB 0x2A10
#define PCI_DEVICE_ID_INTEL_82965GME_IG 0x2A12
+#define PCI_DEVICE_ID_INTEL_82945GME_HB 0x27AC
#define PCI_DEVICE_ID_INTEL_82945GME_IG 0x27AE
#define PCI_DEVICE_ID_INTEL_G33_HB 0x29C0
#define PCI_DEVICE_ID_INTEL_G33_IG 0x29C2
@@ -33,7 +35,8 @@
agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965G_1_HB ||
\
agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965Q_HB || \
agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965G_HB || \
- agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965GM_HB)
+ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965GM_HB || \
+ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965GME_HB)
#define IS_G33 (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_G33_HB || \
agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_Q35_HB || \
@@ -527,6 +530,7 @@ static void intel_i830_init_gtt_entries(void)
agp_bridge->dev->device ==
PCI_DEVICE_ID_INTEL_82915GM_HB ||
agp_bridge->dev->device ==
PCI_DEVICE_ID_INTEL_82945G_HB ||
agp_bridge->dev->device ==
PCI_DEVICE_ID_INTEL_82945GM_HB ||
+ agp_bridge->dev->device ==
PCI_DEVICE_ID_INTEL_82945GME_HB ||
IS_I965 || IS_G33)
gtt_entries = MB(48) - KB(size);
else
@@ -538,6 +542,7 @@ static void intel_i830_init_gtt_entries(void)
agp_bridge->dev->device ==
PCI_DEVICE_ID_INTEL_82915GM_HB ||
agp_bridge->dev->device ==
PCI_DEVICE_ID_INTEL_82945G_HB ||
agp_bridge->dev->device ==
PCI_DEVICE_ID_INTEL_82945GM_HB ||
+ agp_bridge->dev->device ==
PCI_DEVICE_ID_INTEL_82945GME_HB ||
IS_I965 || IS_G33)
gtt_entries = MB(64) - KB(size);
else
@@ -1848,9 +1853,9 @@ static const struct intel_driver_description {
NULL, &intel_915_driver },
{ PCI_DEVICE_ID_INTEL_82945G_HB, PCI_DEVICE_ID_INTEL_82945G_IG, 0,
"945G",
NULL, &intel_915_driver },
- { PCI_DEVICE_ID_INTEL_82945GM_HB, PCI_DEVICE_ID_INTEL_82945GM_IG, 1,
"945GM",
+ { PCI_DEVICE_ID_INTEL_82945GM_HB, PCI_DEVICE_ID_INTEL_82945GM_IG, 0,
"945GM",
NULL, &intel_915_driver },
- { PCI_DEVICE_ID_INTEL_82945GM_HB, PCI_DEVICE_ID_INTEL_82945GME_IG, 0,
"945GME",
+ { PCI_DEVICE_ID_INTEL_82945GME_HB, PCI_DEVICE_ID_INTEL_82945GME_IG, 0,
"945GME",
NULL, &intel_915_driver },
{ PCI_DEVICE_ID_INTEL_82946GZ_HB, PCI_DEVICE_ID_INTEL_82946GZ_IG, 0,
"946GZ",
NULL, &intel_i965_driver },
@@ -1860,9 +1865,9 @@ static const struct intel_driver_description {
NULL, &intel_i965_driver },
{ PCI_DEVICE_ID_INTEL_82965G_HB, PCI_DEVICE_ID_INTEL_82965G_IG, 0,
"965G",
NULL, &intel_i965_driver },
- { PCI_DEVICE_ID_INTEL_82965GM_HB, PCI_DEVICE_ID_INTEL_82965GM_IG, 1,
"965GM",
+ { PCI_DEVICE_ID_INTEL_82965GM_HB, PCI_DEVICE_ID_INTEL_82965GM_IG, 0,
"965GM",
NULL, &intel_i965_driver },
- { PCI_DEVICE_ID_INTEL_82965GM_HB, PCI_DEVICE_ID_INTEL_82965GME_IG, 0,
"965GME/GLE",
+ { PCI_DEVICE_ID_INTEL_82965GME_HB, PCI_DEVICE_ID_INTEL_82965GME_IG, 0,
"965GME/GLE",
NULL, &intel_i965_driver },
{ PCI_DEVICE_ID_INTEL_7505_0, 0, 0, "E7505", &intel_7505_driver, NULL },
{ PCI_DEVICE_ID_INTEL_7205_0, 0, 0, "E7205", &intel_7505_driver, NULL },
@@ -2051,11 +2056,13 @@ static struct pci_device_id agp_intel_pci_table[] = {
ID(PCI_DEVICE_ID_INTEL_82915GM_HB),
ID(PCI_DEVICE_ID_INTEL_82945G_HB),
ID(PCI_DEVICE_ID_INTEL_82945GM_HB),
+ ID(PCI_DEVICE_ID_INTEL_82945GME_HB),
ID(PCI_DEVICE_ID_INTEL_82946GZ_HB),
ID(PCI_DEVICE_ID_INTEL_82965G_1_HB),
ID(PCI_DEVICE_ID_INTEL_82965Q_HB),
ID(PCI_DEVICE_ID_INTEL_82965G_HB),
ID(PCI_DEVICE_ID_INTEL_82965GM_HB),
+ ID(PCI_DEVICE_ID_INTEL_82965GME_HB),
ID(PCI_DEVICE_ID_INTEL_G33_HB),
ID(PCI_DEVICE_ID_INTEL_Q35_HB),
ID(PCI_DEVICE_ID_INTEL_Q33_HB),
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index 78e1b96..eb894f8 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -2214,7 +2214,8 @@ static int ipmi_pci_resume(struct pci_dev *pdev)
static struct pci_device_id ipmi_pci_devices[] = {
{ PCI_DEVICE(PCI_HP_VENDOR_ID, PCI_MMC_DEVICE_ID) },
- { PCI_DEVICE_CLASS(PCI_ERMC_CLASSCODE, PCI_ERMC_CLASSCODE_MASK) }
+ { PCI_DEVICE_CLASS(PCI_ERMC_CLASSCODE, PCI_ERMC_CLASSCODE_MASK) },
+ { 0, }
};
MODULE_DEVICE_TABLE(pci, ipmi_pci_devices);
diff --git a/drivers/media/video/usbvision/usbvision-cards.c
b/drivers/media/video/usbvision/usbvision-cards.c
index 51ab265..31db1ed 100644
--- a/drivers/media/video/usbvision/usbvision-cards.c
+++ b/drivers/media/video/usbvision/usbvision-cards.c
@@ -1081,6 +1081,7 @@ struct usb_device_id usbvision_table [] = {
{ USB_DEVICE(0x2304, 0x0301), .driver_info=PINNA_LINX_VD_IN_CAB_PAL },
{ USB_DEVICE(0x2304, 0x0419), .driver_info=PINNA_PCTV_BUNGEE_PAL_FM },
{ USB_DEVICE(0x2400, 0x4200), .driver_info=HPG_WINTV },
+ { }, /* terminate list */
};
MODULE_DEVICE_TABLE (usb, usbvision_table);
diff --git a/drivers/misc/sony-laptop.c b/drivers/misc/sony-laptop.c
index ab2ca63..6d2d64f 100644
--- a/drivers/misc/sony-laptop.c
+++ b/drivers/misc/sony-laptop.c
@@ -2056,8 +2056,6 @@ static int sony_pic_remove(struct acpi_device *device,
int type)
struct sony_pic_ioport *io, *tmp_io;
struct sony_pic_irq *irq, *tmp_irq;
- sonypi_compat_exit();
-
if (sony_pic_disable(device)) {
printk(KERN_ERR DRV_PFX "Couldn't disable device.\n");
return -ENXIO;
@@ -2067,6 +2065,8 @@ static int sony_pic_remove(struct acpi_device *device,
int type)
release_region(spic_dev.cur_ioport->io.minimum,
spic_dev.cur_ioport->io.address_length);
+ sonypi_compat_exit();
+
sony_laptop_remove_input();
/* pf attrs */
@@ -2132,6 +2132,9 @@ static int sony_pic_add(struct acpi_device *device)
goto err_free_resources;
}
+ if (sonypi_compat_init())
+ goto err_remove_input;
+
/* request io port */
list_for_each_entry(io, &spic_dev.ioports, list) {
if (request_region(io->io.minimum, io->io.address_length,
@@ -2146,7 +2149,7 @@ static int sony_pic_add(struct acpi_device *device)
if (!spic_dev.cur_ioport) {
printk(KERN_ERR DRV_PFX "Failed to request_region.\n");
result = -ENODEV;
- goto err_remove_input;
+ goto err_remove_compat;
}
/* request IRQ */
@@ -2186,9 +2189,6 @@ static int sony_pic_add(struct acpi_device *device)
if (result)
goto err_remove_pf;
- if (sonypi_compat_init())
- goto err_remove_pf;
-
return 0;
err_remove_pf:
@@ -2204,6 +2204,9 @@ err_release_region:
release_region(spic_dev.cur_ioport->io.minimum,
spic_dev.cur_ioport->io.address_length);
+err_remove_compat:
+ sonypi_compat_exit();
+
err_remove_input:
sony_laptop_remove_input();
diff --git a/drivers/mtd/nand/cafe_nand.c b/drivers/mtd/nand/cafe_nand.c
index cff969d..6f32a35 100644
--- a/drivers/mtd/nand/cafe_nand.c
+++ b/drivers/mtd/nand/cafe_nand.c
@@ -816,7 +816,8 @@ static void __devexit cafe_nand_remove(struct pci_dev *pdev)
}
static struct pci_device_id cafe_nand_tbl[] = {
- { 0x11ab, 0x4100, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MEMORY_FLASH << 8,
0xFFFF0 }
+ { 0x11ab, 0x4100, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MEMORY_FLASH << 8,
0xFFFF0 },
+ { 0, }
};
MODULE_DEVICE_TABLE(pci, cafe_nand_tbl);
diff --git a/drivers/net/via-velocity.c b/drivers/net/via-velocity.c
index b670b97..431269e 100644
--- a/drivers/net/via-velocity.c
+++ b/drivers/net/via-velocity.c
@@ -1075,6 +1075,9 @@ static int velocity_init_rd_ring(struct velocity_info
*vptr)
int ret = -ENOMEM;
unsigned int rsize = sizeof(struct velocity_rd_info) *
vptr->options.numrx;
+ int mtu = vptr->dev->mtu;
+
+ vptr->rx_buf_sz = (mtu <= ETH_DATA_LEN) ? PKT_BUF_SZ : mtu + 32;
vptr->rd_info = kmalloc(rsize, GFP_KERNEL);
if(vptr->rd_info == NULL)
@@ -1733,8 +1736,6 @@ static int velocity_open(struct net_device *dev)
struct velocity_info *vptr = netdev_priv(dev);
int ret;
- vptr->rx_buf_sz = (dev->mtu <= 1504 ? PKT_BUF_SZ : dev->mtu + 32);
-
ret = velocity_init_rings(vptr);
if (ret < 0)
goto out;
@@ -1798,6 +1799,11 @@ static int velocity_change_mtu(struct net_device *dev,
int new_mtu)
return -EINVAL;
}
+ if (!netif_running(dev)) {
+ dev->mtu = new_mtu;
+ return 0;
+ }
+
if (new_mtu != oldmtu) {
spin_lock_irqsave(&vptr->lock, flags);
@@ -1808,12 +1814,6 @@ static int velocity_change_mtu(struct net_device *dev,
int new_mtu)
velocity_free_rd_ring(vptr);
dev->mtu = new_mtu;
- if (new_mtu > 8192)
- vptr->rx_buf_sz = 9 * 1024;
- else if (new_mtu > 4096)
- vptr->rx_buf_sz = 8192;
- else
- vptr->rx_buf_sz = 4 * 1024;
ret = velocity_init_rd_ring(vptr);
if (ret < 0)
diff --git a/drivers/pci/hotplug/fakephp.c b/drivers/pci/hotplug/fakephp.c
index 027f686..02a09d5 100644
--- a/drivers/pci/hotplug/fakephp.c
+++ b/drivers/pci/hotplug/fakephp.c
@@ -39,6 +39,7 @@
#include <linux/init.h>
#include <linux/string.h>
#include <linux/slab.h>
+#include <linux/workqueue.h>
#include "../pci.h"
#if !defined(MODULE)
@@ -63,10 +64,16 @@ struct dummy_slot {
struct list_head node;
struct hotplug_slot *slot;
struct pci_dev *dev;
+ struct work_struct remove_work;
+ unsigned long removed;
};
static int debug;
static LIST_HEAD(slot_list);
+static struct workqueue_struct *dummyphp_wq;
+
+static void pci_rescan_worker(struct work_struct *work);
+static DECLARE_WORK(pci_rescan_work, pci_rescan_worker);
static int enable_slot (struct hotplug_slot *slot);
static int disable_slot (struct hotplug_slot *slot);
@@ -109,7 +116,7 @@ static int add_slot(struct pci_dev *dev)
slot->name = &dev->dev.bus_id[0];
dbg("slot->name = %s\n", slot->name);
- dslot = kmalloc(sizeof(struct dummy_slot), GFP_KERNEL);
+ dslot = kzalloc(sizeof(struct dummy_slot), GFP_KERNEL);
if (!dslot)
goto error_info;
@@ -164,6 +171,14 @@ static void remove_slot(struct dummy_slot *dslot)
err("Problem unregistering a slot %s\n", dslot->slot->name);
}
+/* called from the single-threaded workqueue handler to remove a slot */
+static void remove_slot_worker(struct work_struct *work)
+{
+ struct dummy_slot *dslot =
+ container_of(work, struct dummy_slot, remove_work);
+ remove_slot(dslot);
+}
+
/**
* Rescan slot.
* Tries hard not to re-enable already existing devices
@@ -267,11 +282,17 @@ static inline void pci_rescan(void) {
pci_rescan_buses(&pci_root_buses);
}
+/* called from the single-threaded workqueue handler to rescan all pci buses */
+static void pci_rescan_worker(struct work_struct *work)
+{
+ pci_rescan();
+}
static int enable_slot(struct hotplug_slot *hotplug_slot)
{
/* mis-use enable_slot for rescanning of the pci bus */
- pci_rescan();
+ cancel_work_sync(&pci_rescan_work);
+ queue_work(dummyphp_wq, &pci_rescan_work);
return -ENODEV;
}
@@ -306,6 +327,10 @@ static int disable_slot(struct hotplug_slot *slot)
err("Can't remove PCI devices with other PCI devices behind it
yet.\n");
return -ENODEV;
}
+ if (test_and_set_bit(0, &dslot->removed)) {
+ dbg("Slot already scheduled for removal\n");
+ return -ENODEV;
+ }
/* search for subfunctions and disable them first */
if (!(dslot->dev->devfn & 7)) {
for (func = 1; func < 8; func++) {
@@ -328,8 +353,9 @@ static int disable_slot(struct hotplug_slot *slot)
/* remove the device from the pci core */
pci_remove_bus_device(dslot->dev);
- /* blow away this sysfs entry and other parts. */
- remove_slot(dslot);
+ /* queue work item to blow away this sysfs entry and other parts. */
+ INIT_WORK(&dslot->remove_work, remove_slot_worker);
+ queue_work(dummyphp_wq, &dslot->remove_work);
return 0;
}
@@ -340,6 +366,7 @@ static void cleanup_slots (void)
struct list_head *next;
struct dummy_slot *dslot;
+ destroy_workqueue(dummyphp_wq);
list_for_each_safe (tmp, next, &slot_list) {
dslot = list_entry (tmp, struct dummy_slot, node);
remove_slot(dslot);
@@ -351,6 +378,10 @@ static int __init dummyphp_init(void)
{
info(DRIVER_DESC "\n");
+ dummyphp_wq = create_singlethread_workqueue(MY_NAME);
+ if (!dummyphp_wq)
+ return -ENOMEM;
+
return pci_scan_buses();
}
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 3d8c9cb..d2531dd 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -895,6 +895,7 @@ static void sd_rw_intr(struct scsi_cmnd * SCpnt)
unsigned int xfer_size = SCpnt->request_bufflen;
unsigned int good_bytes = result ? 0 : xfer_size;
u64 start_lba = SCpnt->request->sector;
+ u64 end_lba = SCpnt->request->sector + (xfer_size / 512);
u64 bad_lba;
struct scsi_sense_hdr sshdr;
int sense_valid = 0;
@@ -933,26 +934,23 @@ static void sd_rw_intr(struct scsi_cmnd * SCpnt)
goto out;
if (xfer_size <= SCpnt->device->sector_size)
goto out;
- switch (SCpnt->device->sector_size) {
- case 256:
+ if (SCpnt->device->sector_size < 512) {
+ /* only legitimate sector_size here is 256 */
start_lba <<= 1;
- break;
- case 512:
- break;
- case 1024:
- start_lba >>= 1;
- break;
- case 2048:
- start_lba >>= 2;
- break;
- case 4096:
- start_lba >>= 3;
- break;
- default:
- /* Print something here with limiting frequency. */
- goto out;
- break;
+ end_lba <<= 1;
+ } else {
+ /* be careful ... don't want any overflows */
+ u64 factor = SCpnt->device->sector_size / 512;
+ do_div(start_lba, factor);
+ do_div(end_lba, factor);
}
+
+ if (bad_lba < start_lba || bad_lba >= end_lba)
+ /* the bad lba was reported incorrectly, we have
+ * no idea where the error is
+ */
+ goto out;
+
/* This computation should always be done in terms of
* the resolution of the device's medium.
*/
diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index 881fa49..b6fd8a7 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -433,9 +433,6 @@ static int nfs_create_rpc_client(struct nfs_client *clp,
int proto,
*/
static void nfs_destroy_server(struct nfs_server *server)
{
- if (!IS_ERR(server->client_acl))
- rpc_shutdown_client(server->client_acl);
-
if (!(server->flags & NFS_MOUNT_NONLM))
lockd_down(); /* release rpc.lockd */
}
@@ -614,16 +611,6 @@ static int nfs_init_server(struct nfs_server *server,
const struct nfs_mount_dat
server->namelen = data->namlen;
/* Create a client RPC handle for the NFSv3 ACL management interface */
nfs_init_server_aclclient(server);
- if (clp->cl_nfsversion == 3) {
- if (server->namelen == 0 || server->namelen > NFS3_MAXNAMLEN)
- server->namelen = NFS3_MAXNAMLEN;
- if (!(data->flags & NFS_MOUNT_NORDIRPLUS))
- server->caps |= NFS_CAP_READDIRPLUS;
- } else {
- if (server->namelen == 0 || server->namelen > NFS2_MAXNAMLEN)
- server->namelen = NFS2_MAXNAMLEN;
- }
-
dprintk("<-- nfs_init_server() = 0 [new %p]\n", clp);
return 0;
@@ -781,6 +768,9 @@ void nfs_free_server(struct nfs_server *server)
if (server->destroy != NULL)
server->destroy(server);
+
+ if (!IS_ERR(server->client_acl))
+ rpc_shutdown_client(server->client_acl);
if (!IS_ERR(server->client))
rpc_shutdown_client(server->client);
@@ -820,6 +810,16 @@ struct nfs_server *nfs_create_server(const struct
nfs_mount_data *data,
error = nfs_probe_fsinfo(server, mntfh, &fattr);
if (error < 0)
goto error;
+ if (server->nfs_client->rpc_ops->version == 3) {
+ if (server->namelen == 0 || server->namelen > NFS3_MAXNAMLEN)
+ server->namelen = NFS3_MAXNAMLEN;
+ if (!(data->flags & NFS_MOUNT_NORDIRPLUS))
+ server->caps |= NFS_CAP_READDIRPLUS;
+ } else {
+ if (server->namelen == 0 || server->namelen > NFS2_MAXNAMLEN)
+ server->namelen = NFS2_MAXNAMLEN;
+ }
+
if (!(fattr.valid & NFS_ATTR_FATTR)) {
error = server->nfs_client->rpc_ops->getattr(server, mntfh,
&fattr);
if (error < 0) {
@@ -1010,6 +1010,9 @@ struct nfs_server *nfs4_create_server(const struct
nfs4_mount_data *data,
if (error < 0)
goto error;
+ if (server->namelen == 0 || server->namelen > NFS4_MAXNAMLEN)
+ server->namelen = NFS4_MAXNAMLEN;
+
BUG_ON(!server->nfs_client);
BUG_ON(!server->nfs_client->rpc_ops);
BUG_ON(!server->nfs_client->rpc_ops->file_inode_ops);
@@ -1082,6 +1085,9 @@ struct nfs_server *nfs4_create_referral_server(struct
nfs_clone_mount *data,
if (error < 0)
goto error;
+ if (server->namelen == 0 || server->namelen > NFS4_MAXNAMLEN)
+ server->namelen = NFS4_MAXNAMLEN;
+
dprintk("Referral FSID: %llx:%llx\n",
(unsigned long long) server->fsid.major,
(unsigned long long) server->fsid.minor);
@@ -1141,6 +1147,9 @@ struct nfs_server *nfs_clone_server(struct nfs_server
*source,
if (error < 0)
goto out_free_server;
+ if (server->namelen == 0 || server->namelen > NFS4_MAXNAMLEN)
+ server->namelen = NFS4_MAXNAMLEN;
+
dprintk("Cloned FSID: %llx:%llx\n",
(unsigned long long) server->fsid.major,
(unsigned long long) server->fsid.minor);
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index c27258b..db1d6b9 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -897,14 +897,13 @@ int nfs_is_exclusive_create(struct inode *dir, struct
nameidata *nd)
return (nd->intent.open.flags & O_EXCL) != 0;
}
-static inline int nfs_reval_fsid(struct vfsmount *mnt, struct inode *dir,
- struct nfs_fh *fh, struct nfs_fattr *fattr)
+static inline int nfs_reval_fsid(struct inode *dir, const struct nfs_fattr
*fattr)
{
struct nfs_server *server = NFS_SERVER(dir);
if (!nfs_fsid_equal(&server->fsid, &fattr->fsid))
- /* Revalidate fsid on root dir */
- return __nfs_revalidate_inode(server, mnt->mnt_root->d_inode);
+ /* Revalidate fsid using the parent directory */
+ return __nfs_revalidate_inode(server, dir);
return 0;
}
@@ -946,7 +945,7 @@ static struct dentry *nfs_lookup(struct inode *dir, struct
dentry * dentry, stru
res = ERR_PTR(error);
goto out_unlock;
}
- error = nfs_reval_fsid(nd->mnt, dir, &fhandle, &fattr);
+ error = nfs_reval_fsid(dir, &fattr);
if (error < 0) {
res = ERR_PTR(error);
goto out_unlock;
@@ -1163,6 +1162,8 @@ static struct dentry
*nfs_readdir_lookup(nfs_readdir_descriptor_t *desc)
}
if (!desc->plus || !(entry->fattr->valid & NFS_ATTR_FATTR))
return NULL;
+ if (name.len > NFS_SERVER(dir)->namelen)
+ return NULL;
/* Note: caller is already holding the dir->i_mutex! */
dentry = d_alloc(parent, &name);
if (dentry == NULL)
diff --git a/fs/nfs/getroot.c b/fs/nfs/getroot.c
index d1cbf0a..522e5ad 100644
--- a/fs/nfs/getroot.c
+++ b/fs/nfs/getroot.c
@@ -175,6 +175,9 @@ next_component:
path++;
name.len = path - (const char *) name.name;
+ if (name.len > NFS4_MAXNAMLEN)
+ return -ENAMETOOLONG;
+
eat_dot_dir:
while (*path == '/')
path++;
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index bd9f5a8..2219b6c 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -961,8 +961,8 @@ static int nfs_update_inode(struct inode *inode, struct
nfs_fattr *fattr)
goto out_changed;
server = NFS_SERVER(inode);
- /* Update the fsid if and only if this is the root directory */
- if (inode == inode->i_sb->s_root->d_inode
+ /* Update the fsid? */
+ if (S_ISDIR(inode->i_mode)
&& !nfs_fsid_equal(&server->fsid, &fattr->fsid))
server->fsid = fattr->fsid;
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index af344a1..380a7ae 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -710,6 +710,17 @@ int nfs_flush_incompatible(struct file *file, struct page
*page)
}
/*
+ * If the page cache is marked as unsafe or invalid, then we can't rely on
+ * the PageUptodate() flag. In this case, we will need to turn off
+ * write optimisations that depend on the page contents being correct.
+ */
+static int nfs_write_pageuptodate(struct page *page, struct inode *inode)
+{
+ return PageUptodate(page) &&
+ !(NFS_I(inode)->cache_validity &
(NFS_INO_REVAL_PAGECACHE|NFS_INO_INVALID_DATA));
+}
+
+/*
* Update and possibly write a cached page of an NFS file.
*
* XXX: Keep an eye on generic_file_read to make sure it doesn't do bad
@@ -730,10 +741,13 @@ int nfs_updatepage(struct file *file, struct page *page,
(long long)(page_offset(page) +offset));
/* If we're not using byte range locks, and we know the page
- * is entirely in cache, it may be more efficient to avoid
- * fragmenting write requests.
+ * is up to date, it may be more efficient to extend the write
+ * to cover the entire page in order to avoid fragmentation
+ * inefficiencies.
*/
- if (PageUptodate(page) && inode->i_flock == NULL && !(file->f_mode &
O_SYNC)) {
+ if (nfs_write_pageuptodate(page, inode) &&
+ inode->i_flock == NULL &&
+ !(file->f_mode & O_SYNC)) {
count = max(count + offset, nfs_page_length(page));
offset = 0;
}
diff --git a/fs/nfsd/nfs2acl.c b/fs/nfsd/nfs2acl.c
index b617428..0e5fa11 100644
--- a/fs/nfsd/nfs2acl.c
+++ b/fs/nfsd/nfs2acl.c
@@ -41,7 +41,7 @@ static __be32 nfsacld_proc_getacl(struct svc_rqst * rqstp,
fh = fh_copy(&resp->fh, &argp->fh);
if ((nfserr = fh_verify(rqstp, &resp->fh, 0, MAY_NOP)))
- RETURN_STATUS(nfserr_inval);
+ RETURN_STATUS(nfserr);
if (argp->mask & ~(NFS_ACL|NFS_ACLCNT|NFS_DFACL|NFS_DFACLCNT))
RETURN_STATUS(nfserr_inval);
diff --git a/fs/nfsd/nfs3acl.c b/fs/nfsd/nfs3acl.c
index 3e3f2de..b647f2f 100644
--- a/fs/nfsd/nfs3acl.c
+++ b/fs/nfsd/nfs3acl.c
@@ -37,7 +37,7 @@ static __be32 nfsd3_proc_getacl(struct svc_rqst * rqstp,
fh = fh_copy(&resp->fh, &argp->fh);
if ((nfserr = fh_verify(rqstp, &resp->fh, 0, MAY_NOP)))
- RETURN_STATUS(nfserr_inval);
+ RETURN_STATUS(nfserr);
if (argp->mask & ~(NFS_ACL|NFS_ACLCNT|NFS_DFACL|NFS_DFACLCNT))
RETURN_STATUS(nfserr_inval);
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index 15809df..0898aec 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -1453,7 +1453,8 @@ nfsd4_encode_fattr(struct svc_fh *fhp, struct svc_export
*exp,
err = vfs_getattr(exp->ex_mnt, dentry, &stat);
if (err)
goto out_nfserr;
- if ((bmval0 & (FATTR4_WORD0_FILES_FREE | FATTR4_WORD0_FILES_TOTAL)) ||
+ if ((bmval0 & (FATTR4_WORD0_FILES_FREE | FATTR4_WORD0_FILES_TOTAL |
+ FATTR4_WORD0_MAXNAME)) ||
(bmval1 & (FATTR4_WORD1_SPACE_AVAIL | FATTR4_WORD1_SPACE_FREE |
FATTR4_WORD1_SPACE_TOTAL))) {
err = vfs_statfs(dentry, &statfs);
@@ -1699,7 +1700,7 @@ out_acl:
if (bmval0 & FATTR4_WORD0_MAXNAME) {
if ((buflen -= 4) < 0)
goto out_resource;
- WRITE32(~(u32) 0);
+ WRITE32(statfs.f_namelen);
}
if (bmval0 & FATTR4_WORD0_MAXREAD) {
if ((buflen -= 8) < 0)
diff --git a/include/linux/quicklist.h b/include/linux/quicklist.h
index 9371c61..39b6671 100644
--- a/include/linux/quicklist.h
+++ b/include/linux/quicklist.h
@@ -56,14 +56,6 @@ static inline void __quicklist_free(int nr, void
(*dtor)(void *), void *p,
struct page *page)
{
struct quicklist *q;
- int nid = page_to_nid(page);
-
- if (unlikely(nid != numa_node_id())) {
- if (dtor)
- dtor(p);
- __free_page(page);
- return;
- }
q = &get_cpu_var(quicklist)[nr];
*(void **)p = q->page;
diff --git a/mm/memory.c b/mm/memory.c
index f64cbf9..538f054 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -983,6 +983,8 @@ int get_user_pages(struct task_struct *tsk, struct
mm_struct *mm,
int i;
unsigned int vm_flags;
+ if (len <= 0)
+ return 0;
/*
* Require read or write permissions.
* If 'force' is set, we only require the "MAY" flags.
diff --git a/mm/quicklist.c b/mm/quicklist.c
index ae8189c..3f703f7 100644
--- a/mm/quicklist.c
+++ b/mm/quicklist.c
@@ -26,9 +26,17 @@ DEFINE_PER_CPU(struct quicklist, quicklist)[CONFIG_NR_QUICK];
static unsigned long max_pages(unsigned long min_pages)
{
unsigned long node_free_pages, max;
+ struct zone *zones = NODE_DATA(numa_node_id())->node_zones;
+
+ node_free_pages =
+#ifdef CONFIG_ZONE_DMA
+ zone_page_state(&zones[ZONE_DMA], NR_FREE_PAGES) +
+#endif
+#ifdef CONFIG_ZONE_DMA32
+ zone_page_state(&zones[ZONE_DMA32], NR_FREE_PAGES) +
+#endif
+ zone_page_state(&zones[ZONE_NORMAL], NR_FREE_PAGES);
- node_free_pages = node_page_state(numa_node_id(),
- NR_FREE_PAGES);
max = node_free_pages / FRACTION_OF_NODE_MEM;
return max(max, min_pages);
}
diff --git a/net/netfilter/nf_conntrack_proto_tcp.c
b/net/netfilter/nf_conntrack_proto_tcp.c
index 2721ff4..baff1f4 100644
--- a/net/netfilter/nf_conntrack_proto_tcp.c
+++ b/net/netfilter/nf_conntrack_proto_tcp.c
@@ -143,7 +143,7 @@ enum tcp_bit_set {
* CLOSE_WAIT: ACK seen (after FIN)
* LAST_ACK: FIN seen (after FIN)
* TIME_WAIT: last ACK seen
- * CLOSE: closed connection
+ * CLOSE: closed connection (RST)
*
* LISTEN state is not used.
*
@@ -842,8 +842,21 @@ static int tcp_packet(struct nf_conn *conntrack,
case TCP_CONNTRACK_SYN_SENT:
if (old_state < TCP_CONNTRACK_TIME_WAIT)
break;
- if ((conntrack->proto.tcp.seen[!dir].flags &
- IP_CT_TCP_FLAG_CLOSE_INIT)
+ /* RFC 1122: "When a connection is closed actively,
+ * it MUST linger in TIME-WAIT state for a time 2xMSL
+ * (Maximum Segment Lifetime). However, it MAY accept
+ * a new SYN from the remote TCP to reopen the connection
+ * directly from TIME-WAIT state, if..."
+ * We ignore the conditions because we are in the
+ * TIME-WAIT state anyway.
+ *
+ * Handle aborted connections: we and the server
+ * think there is an existing connection but the client
+ * aborts it and starts a new one.
+ */
+ if (((conntrack->proto.tcp.seen[dir].flags
+ | conntrack->proto.tcp.seen[!dir].flags)
+ & IP_CT_TCP_FLAG_CLOSE_INIT)
|| (conntrack->proto.tcp.last_dir == dir
&& conntrack->proto.tcp.last_index == TCP_RST_SET)) {
/* Attempt to reopen a closed/aborted connection.
@@ -858,16 +871,23 @@ static int tcp_packet(struct nf_conn *conntrack,
case TCP_CONNTRACK_IGNORE:
/* Ignored packets:
*
+ * Our connection entry may be out of sync, so ignore
+ * packets which may signal the real connection between
+ * the client and the server.
+ *
* a) SYN in ORIGINAL
* b) SYN/ACK in REPLY
* c) ACK in reply direction after initial SYN in original.
+ *
+ * If the ignored packet is invalid, the receiver will send
+ * a RST we'll catch below.
*/
if (index == TCP_SYNACK_SET
&& conntrack->proto.tcp.last_index == TCP_SYN_SET
&& conntrack->proto.tcp.last_dir != dir
&& ntohl(th->ack_seq) ==
conntrack->proto.tcp.last_end) {
- /* This SYN/ACK acknowledges a SYN that we earlier
+ /* b) This SYN/ACK acknowledges a SYN that we earlier
* ignored as invalid. This means that the client and
* the server are both in sync, while the firewall is
* not. We kill this session and block the SYN/ACK so
@@ -892,7 +912,7 @@ static int tcp_packet(struct nf_conn *conntrack,
write_unlock_bh(&tcp_lock);
if (LOG_INVALID(IPPROTO_TCP))
nf_log_packet(pf, 0, skb, NULL, NULL, NULL,
- "nf_ct_tcp: invalid packed ignored ");
+ "nf_ct_tcp: invalid packet ignored ");
return NF_ACCEPT;
case TCP_CONNTRACK_MAX:
/* Invalid packet */
@@ -948,8 +968,7 @@ static int tcp_packet(struct nf_conn *conntrack,
conntrack->proto.tcp.state = new_state;
if (old_state != new_state
- && (new_state == TCP_CONNTRACK_FIN_WAIT
- || new_state == TCP_CONNTRACK_CLOSE))
+ && new_state == TCP_CONNTRACK_FIN_WAIT)
conntrack->proto.tcp.seen[dir].flags |=
IP_CT_TCP_FLAG_CLOSE_INIT;
timeout = conntrack->proto.tcp.retrans >= nf_ct_tcp_max_retrans
&& *tcp_timeouts[new_state] > nf_ct_tcp_timeout_max_retrans
--
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