* include/scsi/scsi_cmnd.h:183:9: warning: Dereference of null pointer [clang-analyzer-core.NullDereference]
@ 2022-05-23 0:17 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2022-05-23 0:17 UTC (permalink / raw)
To: kbuild
[-- Attachment #1: Type: text/plain, Size: 27168 bytes --]
CC: llvm(a)lists.linux.dev
CC: kbuild-all(a)lists.01.org
BCC: lkp(a)intel.com
CC: linux-kernel(a)vger.kernel.org
TO: Chris Down <chris@chrisdown.name>
CC: Petr Mladek <pmladek@suse.com>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: eaea45fc0e7b6ae439526b4a41d91230c8517336
commit: 337015573718b161891a3473d25f59273f2e626b printk: Userspace format indexing support
date: 10 months ago
:::::: branch date: 24 hours ago
:::::: commit date: 10 months ago
config: i386-randconfig-c001-20220516 (https://download.01.org/0day-ci/archive/20220523/202205230846.zEDEIEGN-lkp(a)intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 853fa8ee225edf2d0de94b0dcbd31bea916e825e)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=337015573718b161891a3473d25f59273f2e626b
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 337015573718b161891a3473d25f59273f2e626b
# save the config file
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=i386 clang-analyzer
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>
clang-analyzer warnings: (new ones prefixed by >>)
drivers/scsi/libsas/sas_expander.c:1794:8: note: Calling 'smp_execute_task'
res = smp_execute_task(dev, rg_req, RG_REQ_SIZE, rg_resp,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/scsi/libsas/sas_expander.c:148:2: note: Returning without writing to 'resp->result'
return smp_execute_task_sg(dev, &req_sg, &resp_sg);
^
drivers/scsi/libsas/sas_expander.c:148:2: note: Returning value, which participates in a condition later
return smp_execute_task_sg(dev, &req_sg, &resp_sg);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/scsi/libsas/sas_expander.c:1794:8: note: Returning from 'smp_execute_task'
res = smp_execute_task(dev, rg_req, RG_REQ_SIZE, rg_resp,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/scsi/libsas/sas_expander.c:1796:6: note: Assuming 'res' is 0
if (res)
^~~
drivers/scsi/libsas/sas_expander.c:1796:2: note: Taking false branch
if (res)
^
drivers/scsi/libsas/sas_expander.c:1798:22: note: The left operand of '!=' is a garbage value
if (rg_resp->result != SMP_RESP_FUNC_ACC) {
~~~~~~~~~~~~~~~ ^
Suppressed 5 warnings (5 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
2 warnings generated.
Suppressed 2 warnings (2 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
3 warnings generated.
fs/autofs/root.c:562:2: warning: Call to function 'strcpy' is insecure as it does not provide bounding of the memory buffer. Replace unbounded copy functions with analogous functions that support length arguments such as 'strlcpy'. CWE-119 [clang-analyzer-security.insecureAPI.strcpy]
strcpy(cp, symname);
^~~~~~
fs/autofs/root.c:562:2: note: Call to function 'strcpy' is insecure as it does not provide bounding of the memory buffer. Replace unbounded copy functions with analogous functions that support length arguments such as 'strlcpy'. CWE-119
strcpy(cp, symname);
^~~~~~
Suppressed 2 warnings (2 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
2 warnings generated.
Suppressed 2 warnings (2 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
2 warnings generated.
Suppressed 2 warnings (2 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
4 warnings generated.
Suppressed 4 warnings (4 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
4 warnings generated.
Suppressed 4 warnings (4 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
4 warnings generated.
Suppressed 4 warnings (4 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
3 warnings generated.
Suppressed 3 warnings (3 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
2 warnings generated.
Suppressed 2 warnings (2 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
5 warnings generated.
Suppressed 5 warnings (5 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
3 warnings generated.
Suppressed 3 warnings (3 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
3 warnings generated.
Suppressed 3 warnings (3 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
3 warnings generated.
Suppressed 3 warnings (3 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
4 warnings generated.
Suppressed 4 warnings (4 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
4 warnings generated.
Suppressed 4 warnings (4 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
6 warnings generated.
drivers/scsi/3w-9xxx.c:718:3: warning: Value stored to 'timeout' is never read [clang-analyzer-deadcode.DeadStores]
timeout = wait_event_timeout(tw_dev->ioctl_wqueue, tw_dev->chrdev_request_id == TW_IOCTL_CHRDEV_FREE, timeout);
^
drivers/scsi/3w-9xxx.c:718:3: note: Value stored to 'timeout' is never read
drivers/scsi/3w-9xxx.c:1825:31: warning: Access to field 'cmnd' results in a dereference of a null pointer (loaded from variable 'srb') [clang-analyzer-core.NullDereference]
memcpy(command_packet->cdb, srb->cmnd, TW_MAX_CDB_LEN);
^~~
drivers/scsi/3w-9xxx.c:1806:2: note: 'srb' initialized to a null pointer value
struct scsi_cmnd *srb = NULL;
^~~~~~~~~~~~~~~~~~~~~
drivers/scsi/3w-9xxx.c:1810:6: note: Assuming the condition is false
if (tw_dev->srb[request_id])
^~~~~~~~~~~~~~~~~~~~~~~
drivers/scsi/3w-9xxx.c:1810:2: note: Taking false branch
if (tw_dev->srb[request_id])
^
drivers/scsi/3w-9xxx.c:1824:6: note: Assuming 'cdb' is null
if (!cdb)
^~~~
drivers/scsi/3w-9xxx.c:1824:2: note: Taking true branch
if (!cdb)
^
drivers/scsi/3w-9xxx.c:1825:31: note: Access to field 'cmnd' results in a dereference of a null pointer (loaded from variable 'srb')
memcpy(command_packet->cdb, srb->cmnd, TW_MAX_CDB_LEN);
^~~
>> include/scsi/scsi_cmnd.h:183:9: warning: Dereference of null pointer [clang-analyzer-core.NullDereference]
return cmd->sdb.table.nents;
^
drivers/scsi/3w-9xxx.c:1806:2: note: 'srb' initialized to a null pointer value
struct scsi_cmnd *srb = NULL;
^~~~~~~~~~~~~~~~~~~~~
drivers/scsi/3w-9xxx.c:1810:6: note: Assuming the condition is false
if (tw_dev->srb[request_id])
^~~~~~~~~~~~~~~~~~~~~~~
drivers/scsi/3w-9xxx.c:1810:2: note: Taking false branch
if (tw_dev->srb[request_id])
^
drivers/scsi/3w-9xxx.c:1824:6: note: Assuming 'cdb' is non-null
if (!cdb)
^~~~
drivers/scsi/3w-9xxx.c:1824:2: note: Taking false branch
if (!cdb)
^
drivers/scsi/3w-9xxx.c:1829:6: note: 'srb' is null
if (srb) {
^~~
drivers/scsi/3w-9xxx.c:1829:2: note: Taking false branch
if (srb) {
^
drivers/scsi/3w-9xxx.c:1841:6: note: Assuming 'sglistarg' is null
if (!sglistarg) {
^~~~~~~~~~
drivers/scsi/3w-9xxx.c:1841:2: note: Taking true branch
if (!sglistarg) {
^
drivers/scsi/3w-9xxx.c:1844:21: note: Passing null pointer value via 1st parameter 'cmd'
if (scsi_sg_count(srb)) {
^~~
drivers/scsi/3w-9xxx.c:1844:7: note: Calling 'scsi_sg_count'
if (scsi_sg_count(srb)) {
^~~~~~~~~~~~~~~~~~
include/scsi/scsi_cmnd.h:183:9: note: Dereference of null pointer
return cmd->sdb.table.nents;
^~~~~~~~~~~~~~~~~~~~
Suppressed 3 warnings (3 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
3 warnings generated.
Suppressed 3 warnings (3 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
8 warnings generated.
drivers/scsi/mvsas/mv_init.c:464:13: warning: Access to field 'dev' results in a dereference of a null pointer (loaded from variable 'mvi') [clang-analyzer-core.NullDereference]
sha->dev = mvi->dev;
^
drivers/scsi/mvsas/mv_init.c:505:6: note: Assuming 'rc' is 0
if (rc)
^~
drivers/scsi/mvsas/mv_init.c:505:2: note: Taking false branch
if (rc)
^
drivers/scsi/mvsas/mv_init.c:511:6: note: Assuming 'rc' is 0
if (rc)
^~
drivers/scsi/mvsas/mv_init.c:511:2: note: Taking false branch
if (rc)
^
drivers/scsi/mvsas/mv_init.c:515:6: note: 'rc' is 0
if (rc)
^~
drivers/scsi/mvsas/mv_init.c:515:2: note: Taking false branch
if (rc)
^
drivers/scsi/mvsas/mv_init.c:519:6: note: Assuming 'shost' is non-null
if (!shost) {
^~~~~~
drivers/scsi/mvsas/mv_init.c:519:2: note: Taking false branch
if (!shost) {
^
drivers/scsi/mvsas/mv_init.c:527:6: note: Assuming the condition is false
if (!SHOST_TO_SAS_HA(shost)) {
^~~~~~~~~~~~~~~~~~~~~~~
drivers/scsi/mvsas/mv_init.c:527:2: note: Taking false branch
if (!SHOST_TO_SAS_HA(shost)) {
^
drivers/scsi/mvsas/mv_init.c:534:6: note: 'rc' is 0
if (rc) {
^~
drivers/scsi/mvsas/mv_init.c:534:2: note: Taking false branch
if (rc) {
^
drivers/scsi/mvsas/mv_init.c:544:8: note: 'mvi' is non-null
if (!mvi) {
^~~
drivers/scsi/mvsas/mv_init.c:544:3: note: Taking false branch
if (!mvi) {
^
drivers/scsi/mvsas/mv_init.c:556:7: note: Assuming 'rc' is 0
if (rc) {
^~
drivers/scsi/mvsas/mv_init.c:556:3: note: Taking false branch
if (rc) {
^
drivers/scsi/mvsas/mv_init.c:561:11: note: Assuming 'nhost' is >= field 'n_host'
} while (nhost < chip->n_host);
^~~~~~~~~~~~~~~~~~~~
drivers/scsi/mvsas/mv_init.c:542:2: note: Loop condition is false. Exiting loop
do {
--
5 warnings generated.
Suppressed 5 warnings (5 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
5 warnings generated.
Suppressed 5 warnings (5 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
3 warnings generated.
Suppressed 3 warnings (3 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
4 warnings generated.
Suppressed 4 warnings (4 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
3 warnings generated.
Suppressed 3 warnings (3 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
3 warnings generated.
Suppressed 3 warnings (3 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
6 warnings generated.
drivers/net/phy/mscc/mscc_ptp.c:1449:2: warning: Value stored to 'val' is never read [clang-analyzer-deadcode.DeadStores]
val = vsc85xx_ts_read_csr(phydev, PROCESSOR, MSCC_PHY_PTP_VERSION_CODE);
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/phy/mscc/mscc_ptp.c:1449:2: note: Value stored to 'val' is never read
val = vsc85xx_ts_read_csr(phydev, PROCESSOR, MSCC_PHY_PTP_VERSION_CODE);
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Suppressed 5 warnings (5 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
3 warnings generated.
Suppressed 3 warnings (3 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
5 warnings generated.
Suppressed 5 warnings (5 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
5 warnings generated.
Suppressed 5 warnings (5 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
3 warnings generated.
Suppressed 3 warnings (3 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
3 warnings generated.
Suppressed 3 warnings (3 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
5 warnings generated.
Suppressed 5 warnings (5 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
5 warnings generated.
Suppressed 5 warnings (5 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
6 warnings generated.
drivers/net/arcnet/rfc1201.c:348:4: warning: Value stored to 'soft' is never read [clang-analyzer-deadcode.DeadStores]
soft = &pkt->soft.rfc1201;
^ ~~~~~~~~~~~~~~~~~~
drivers/net/arcnet/rfc1201.c:348:4: note: Value stored to 'soft' is never read
soft = &pkt->soft.rfc1201;
^ ~~~~~~~~~~~~~~~~~~
Suppressed 5 warnings (5 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
5 warnings generated.
Suppressed 5 warnings (5 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
5 warnings generated.
Suppressed 5 warnings (5 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
3 warnings generated.
Suppressed 3 warnings (3 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
3 warnings generated.
Suppressed 3 warnings (3 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
3 warnings generated.
Suppressed 3 warnings (3 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
4 warnings generated.
Suppressed 4 warnings (4 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
3 warnings generated.
Suppressed 3 warnings (3 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
3 warnings generated.
Suppressed 3 warnings (3 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
4 warnings generated.
Suppressed 4 warnings (4 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
4 warnings generated.
Suppressed 4 warnings (4 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
8 warnings generated.
Suppressed 8 warnings (8 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
5 warnings generated.
Suppressed 5 warnings (5 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
11 warnings generated.
drivers/net/wireless/intel/ipw2x00/ipw2200.c:3218:2: warning: Value stored to 'ret' is never read [clang-analyzer-deadcode.DeadStores]
ret = ipw_fw_dma_enable(priv);
^ ~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/wireless/intel/ipw2x00/ipw2200.c:3218:2: note: Value stored to 'ret' is never read
ret = ipw_fw_dma_enable(priv);
^ ~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/net/wireless/intel/ipw2x00/ipw2200.c:8171:7: warning: Dereference of null pointer (loaded from variable 'last_seq') [clang-analyzer-core.NullDereference]
if ((*last_seq == seq) &&
^
drivers/net/wireless/intel/ipw2x00/ipw2200.c:8254:6: note: Assuming the condition is false
r = ipw_read32(priv, IPW_RX_READ_INDEX);
^
drivers/net/wireless/intel/ipw2x00/ipw2200.c:401:2: note: expanded from macro 'ipw_read32'
IPW_DEBUG_IO("%s %d: read_direct32(0x%08X)\n", __FILE__, __LINE__, \
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/wireless/intel/ipw2x00/ipw2200.h:1474:31: note: expanded from macro 'IPW_DEBUG_IO'
#define IPW_DEBUG_IO(f, a...) IPW_LL_DEBUG(IPW_DL_IO, f, ## a)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/wireless/intel/ipw2x00/ipw2200.h:1389:10: note: expanded from macro 'IPW_LL_DEBUG'
do { if (ipw_debug_level & (level)) \
^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/wireless/intel/ipw2x00/ipw2200.c:8254:6: note: Taking false branch
r = ipw_read32(priv, IPW_RX_READ_INDEX);
^
drivers/net/wireless/intel/ipw2x00/ipw2200.c:401:2: note: expanded from macro 'ipw_read32'
IPW_DEBUG_IO("%s %d: read_direct32(0x%08X)\n", __FILE__, __LINE__, \
^
drivers/net/wireless/intel/ipw2x00/ipw2200.h:1474:31: note: expanded from macro 'IPW_DEBUG_IO'
#define IPW_DEBUG_IO(f, a...) IPW_LL_DEBUG(IPW_DL_IO, f, ## a)
^
drivers/net/wireless/intel/ipw2x00/ipw2200.h:1389:6: note: expanded from macro 'IPW_LL_DEBUG'
do { if (ipw_debug_level & (level)) \
^
drivers/net/wireless/intel/ipw2x00/ipw2200.c:8254:6: note: Loop condition is false. Exiting loop
r = ipw_read32(priv, IPW_RX_READ_INDEX);
^
drivers/net/wireless/intel/ipw2x00/ipw2200.c:401:2: note: expanded from macro 'ipw_read32'
IPW_DEBUG_IO("%s %d: read_direct32(0x%08X)\n", __FILE__, __LINE__, \
^
drivers/net/wireless/intel/ipw2x00/ipw2200.h:1474:31: note: expanded from macro 'IPW_DEBUG_IO'
#define IPW_DEBUG_IO(f, a...) IPW_LL_DEBUG(IPW_DL_IO, f, ## a)
^
drivers/net/wireless/intel/ipw2x00/ipw2200.h:1388:43: note: expanded from macro 'IPW_LL_DEBUG'
#define IPW_LL_DEBUG(level, fmt, args...) \
^
drivers/net/wireless/intel/ipw2x00/ipw2200.c:8255:2: note: Taking false branch
ipw_read32(priv, IPW_RX_WRITE_INDEX);
^
drivers/net/wireless/intel/ipw2x00/ipw2200.c:401:2: note: expanded from macro 'ipw_read32'
IPW_DEBUG_IO("%s %d: read_direct32(0x%08X)\n", __FILE__, __LINE__, \
^
drivers/net/wireless/intel/ipw2x00/ipw2200.h:1474:31: note: expanded from macro 'IPW_DEBUG_IO'
#define IPW_DEBUG_IO(f, a...) IPW_LL_DEBUG(IPW_DL_IO, f, ## a)
^
drivers/net/wireless/intel/ipw2x00/ipw2200.h:1389:6: note: expanded from macro 'IPW_LL_DEBUG'
do { if (ipw_debug_level & (level)) \
^
drivers/net/wireless/intel/ipw2x00/ipw2200.c:8255:2: note: Loop condition is false. Exiting loop
ipw_read32(priv, IPW_RX_WRITE_INDEX);
^
drivers/net/wireless/intel/ipw2x00/ipw2200.c:401:2: note: expanded from macro 'ipw_read32'
IPW_DEBUG_IO("%s %d: read_direct32(0x%08X)\n", __FILE__, __LINE__, \
^
drivers/net/wireless/intel/ipw2x00/ipw2200.h:1474:31: note: expanded from macro 'IPW_DEBUG_IO'
#define IPW_DEBUG_IO(f, a...) IPW_LL_DEBUG(IPW_DL_IO, f, ## a)
^
drivers/net/wireless/intel/ipw2x00/ipw2200.h:1388:43: note: expanded from macro 'IPW_LL_DEBUG'
#define IPW_LL_DEBUG(level, fmt, args...) \
^
drivers/net/wireless/intel/ipw2x00/ipw2200.c:8258:6: note: Assuming the condition is false
if (ipw_rx_queue_space (priv->rxq) > (RX_QUEUE_SIZE / 2))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/wireless/intel/ipw2x00/ipw2200.c:8258:2: note: Taking false branch
if (ipw_rx_queue_space (priv->rxq) > (RX_QUEUE_SIZE / 2))
^
drivers/net/wireless/intel/ipw2x00/ipw2200.c:8261:9: note: Assuming 'i' is not equal to 'r'
while (i != r) {
^~~~~~
drivers/net/wireless/intel/ipw2x00/ipw2200.c:8261:2: note: Loop condition is true. Entering loop body
while (i != r) {
^
drivers/net/wireless/intel/ipw2x00/ipw2200.c:8263:16: note: Assuming 'rxb' is not equal to null
if (unlikely(rxb == NULL)) {
^
include/linux/compiler.h:78:42: note: expanded from macro 'unlikely'
# define unlikely(x) __builtin_expect(!!(x), 0)
^
drivers/net/wireless/intel/ipw2x00/ipw2200.c:8263:3: note: Taking false branch
if (unlikely(rxb == NULL)) {
^
drivers/net/wireless/intel/ipw2x00/ipw2200.c:8273:3: note: Assuming the condition is false
IPW_DEBUG_RX("Packet: type=%02X seq=%02X bits=%02X\n",
^
drivers/net/wireless/intel/ipw2x00/ipw2200.h:1463:35: note: expanded from macro 'IPW_DEBUG_RX'
#define IPW_DEBUG_RX(f, a...) IPW_LL_DEBUG(IPW_DL_RX, f, ## a)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/wireless/intel/ipw2x00/ipw2200.h:1389:10: note: expanded from macro 'IPW_LL_DEBUG'
do { if (ipw_debug_level & (level)) \
^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/wireless/intel/ipw2x00/ipw2200.c:8273:3: note: Taking false branch
IPW_DEBUG_RX("Packet: type=%02X seq=%02X bits=%02X\n",
^
drivers/net/wireless/intel/ipw2x00/ipw2200.h:1463:35: note: expanded from macro 'IPW_DEBUG_RX'
#define IPW_DEBUG_RX(f, a...) IPW_LL_DEBUG(IPW_DL_RX, f, ## a)
^
drivers/net/wireless/intel/ipw2x00/ipw2200.h:1389:6: note: expanded from macro 'IPW_LL_DEBUG'
do { if (ipw_debug_level & (level)) \
vim +183 include/scsi/scsi_cmnd.h
824d7b570b4dec FUJITA Tomonori 2007-05-26 180
30b0c37b27485a Boaz Harrosh 2007-12-13 181 static inline unsigned scsi_sg_count(struct scsi_cmnd *cmd)
30b0c37b27485a Boaz Harrosh 2007-12-13 182 {
30b0c37b27485a Boaz Harrosh 2007-12-13 @183 return cmd->sdb.table.nents;
30b0c37b27485a Boaz Harrosh 2007-12-13 184 }
30b0c37b27485a Boaz Harrosh 2007-12-13 185
:::::: The code at line 183 was first introduced by commit
:::::: 30b0c37b27485a9cb897bfe3824f6f517b8c80d6 [SCSI] implement scsi_data_buffer
:::::: TO: Boaz Harrosh <bharrosh@panasas.com>
:::::: CC: James Bottomley <James.Bottomley@HansenPartnership.com>
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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