tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 4e99b32169e84b4ece5a1d74eb0b7e4ef07866b3 commit: 670d0a4b10704667765f7d18f7592993d02783aa sparse: use identifiers to define address spaces date: 9 days ago config: x86_64-randconfig-s021-20200628 (attached as .config) compiler: gcc-9 (Debian 9.3.0-13) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.2-dirty git checkout 670d0a4b10704667765f7d18f7592993d02783aa # save the attached .config to linux build tree make W=1 C=1 ARCH=x86_64 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> sparse warnings: (new ones prefixed by >>) >> drivers/scsi/qedi/qedi_debugfs.c:109:45: sparse: sparse: incorrect type in >> argument 2 (different address spaces) @@ expected char const * @@ >> got char const [noderef] __user *buffer @@ drivers/scsi/qedi/qedi_debugfs.c:109:45: sparse: expected char const * >> drivers/scsi/qedi/qedi_debugfs.c:109:45: sparse: got char const >> [noderef] __user *buffer >> drivers/scsi/qedi/qedi_debugfs.c:128:23: sparse: sparse: incorrect type in >> argument 1 (different address spaces) @@ expected char *buf @@ got >> char [noderef] __user *buffer @@ drivers/scsi/qedi/qedi_debugfs.c:128:23: sparse: expected char *buf >> drivers/scsi/qedi/qedi_debugfs.c:128:23: sparse: got char [noderef] >> __user *buffer drivers/scsi/qedi/qedi_debugfs.c:154:41: sparse: sparse: restricted __le16 degrades to integer vim +109 drivers/scsi/qedi/qedi_debugfs.c ace7f46ba5fde7 Manish Rangankar 2016-12-01 92 ace7f46ba5fde7 Manish Rangankar 2016-12-01 93 static ssize_t ace7f46ba5fde7 Manish Rangankar 2016-12-01 94 qedi_dbg_do_not_recover_cmd_write(struct file *filp, const char __user *buffer, ace7f46ba5fde7 Manish Rangankar 2016-12-01 95 size_t count, loff_t *ppos) ace7f46ba5fde7 Manish Rangankar 2016-12-01 96 { ace7f46ba5fde7 Manish Rangankar 2016-12-01 97 size_t cnt = 0; ace7f46ba5fde7 Manish Rangankar 2016-12-01 98 struct qedi_dbg_ctx *qedi_dbg = ace7f46ba5fde7 Manish Rangankar 2016-12-01 99 (struct qedi_dbg_ctx *)filp->private_data; ace7f46ba5fde7 Manish Rangankar 2016-12-01 100 struct qedi_list_of_funcs *lof = qedi_dbg_do_not_recover_ops; ace7f46ba5fde7 Manish Rangankar 2016-12-01 101 ace7f46ba5fde7 Manish Rangankar 2016-12-01 102 if (*ppos) ace7f46ba5fde7 Manish Rangankar 2016-12-01 103 return 0; ace7f46ba5fde7 Manish Rangankar 2016-12-01 104 ace7f46ba5fde7 Manish Rangankar 2016-12-01 105 while (lof) { ace7f46ba5fde7 Manish Rangankar 2016-12-01 106 if (!(lof->oper_str)) ace7f46ba5fde7 Manish Rangankar 2016-12-01 107 break; ace7f46ba5fde7 Manish Rangankar 2016-12-01 108 ace7f46ba5fde7 Manish Rangankar 2016-12-01 @109 if (!strncmp(lof->oper_str, buffer, strlen(lof->oper_str))) { ace7f46ba5fde7 Manish Rangankar 2016-12-01 110 cnt = lof->oper_func(qedi_dbg); ace7f46ba5fde7 Manish Rangankar 2016-12-01 111 break; ace7f46ba5fde7 Manish Rangankar 2016-12-01 112 } ace7f46ba5fde7 Manish Rangankar 2016-12-01 113 ace7f46ba5fde7 Manish Rangankar 2016-12-01 114 lof++; ace7f46ba5fde7 Manish Rangankar 2016-12-01 115 } ace7f46ba5fde7 Manish Rangankar 2016-12-01 116 return (count - cnt); ace7f46ba5fde7 Manish Rangankar 2016-12-01 117 } ace7f46ba5fde7 Manish Rangankar 2016-12-01 118 ace7f46ba5fde7 Manish Rangankar 2016-12-01 119 static ssize_t ace7f46ba5fde7 Manish Rangankar 2016-12-01 120 qedi_dbg_do_not_recover_cmd_read(struct file *filp, char __user *buffer, ace7f46ba5fde7 Manish Rangankar 2016-12-01 121 size_t count, loff_t *ppos) ace7f46ba5fde7 Manish Rangankar 2016-12-01 122 { ace7f46ba5fde7 Manish Rangankar 2016-12-01 123 size_t cnt = 0; ace7f46ba5fde7 Manish Rangankar 2016-12-01 124 ace7f46ba5fde7 Manish Rangankar 2016-12-01 125 if (*ppos) ace7f46ba5fde7 Manish Rangankar 2016-12-01 126 return 0; ace7f46ba5fde7 Manish Rangankar 2016-12-01 127 bd571195c9535c Arnd Bergmann 2017-03-02 @128 cnt = sprintf(buffer, "do_not_recover=%d\n", qedi_do_not_recover); ace7f46ba5fde7 Manish Rangankar 2016-12-01 129 cnt = min_t(int, count, cnt - *ppos); ace7f46ba5fde7 Manish Rangankar 2016-12-01 130 *ppos += cnt; ace7f46ba5fde7 Manish Rangankar 2016-12-01 131 return cnt; ace7f46ba5fde7 Manish Rangankar 2016-12-01 132 } ace7f46ba5fde7 Manish Rangankar 2016-12-01 133 :::::: The code at line 109 was first introduced by commit :::::: ace7f46ba5fde7273207c7122b0650ceb72510e0 scsi: qedi: Add QLogic FastLinQ offload iSCSI driver framework. :::::: TO: Manish Rangankar <[email protected]> :::::: CC: Martin K. Petersen <[email protected]> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected]
.config.gz
Description: application/gzip
