* [dlemoal-libata:for-5.17-logging 28/79] drivers/ata/sata_mv.c:1276:30: warning: 'dw' is used uninitialized
@ 2021-12-31 2:17 ` kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2021-12-31 2:17 UTC (permalink / raw)
To: Hannes Reinecke; +Cc: kbuild-all, linux-kernel, Damien Le Moal
tree: git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata.git for-5.17-logging
head: 7830f5151b3b153a04daec48653458c9a2db7b16
commit: 8e1aff057cd5a2d00d19754fabf7095ba54a7e91 [28/79] sata_mv: replace DPRINTK with dynamic debugging
config: sparc64-randconfig-r005-20211230 (https://download.01.org/0day-ci/archive/20211231/202112311057.WDs1psTQ-lkp@intel.com/config)
compiler: sparc64-linux-gcc (GCC) 11.2.0
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/dlemoal/libata.git/commit/?id=8e1aff057cd5a2d00d19754fabf7095ba54a7e91
git remote add dlemoal-libata git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata.git
git fetch --no-tags dlemoal-libata for-5.17-logging
git checkout 8e1aff057cd5a2d00d19754fabf7095ba54a7e91
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=sparc64 SHELL=/bin/bash drivers/ata/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
drivers/ata/sata_mv.c: In function 'mv_pci_error':
>> drivers/ata/sata_mv.c:1276:30: warning: 'dw' is used uninitialized [-Wuninitialized]
1276 | o += snprintf(linebuf + o, 38 - o,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1277 | "%08x ", dw);
| ~~~~~~~~~~~~
drivers/ata/sata_mv.c:1270:13: note: 'dw' was declared here
1270 | u32 dw;
| ^~
vim +/dw +1276 drivers/ata/sata_mv.c
1266
1267 static void mv_dump_pci_cfg(struct pci_dev *pdev, unsigned bytes)
1268 {
1269 int b, w, o;
1270 u32 dw;
1271 unsigned char linebuf[38];
1272
1273 for (b = 0; b < bytes; ) {
1274 for (w = 0, o = 0; b < bytes && w < 4; w++) {
1275 (void) pci_read_config_dword(pdev, b, &dw);
> 1276 o += snprintf(linebuf + o, 38 - o,
1277 "%08x ", dw);
1278 b += sizeof(u32);
1279 }
1280 dev_dbg(&pdev->dev, "%s: %02x: %s\n",
1281 __func__, b, linebuf);
1282 }
1283 }
1284
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
^ permalink raw reply [flat|nested] 2+ messages in thread
* [dlemoal-libata:for-5.17-logging 28/79] drivers/ata/sata_mv.c:1276:30: warning: 'dw' is used uninitialized
@ 2021-12-31 2:17 ` kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2021-12-31 2:17 UTC (permalink / raw)
To: kbuild-all
[-- Attachment #1: Type: text/plain, Size: 2572 bytes --]
tree: git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata.git for-5.17-logging
head: 7830f5151b3b153a04daec48653458c9a2db7b16
commit: 8e1aff057cd5a2d00d19754fabf7095ba54a7e91 [28/79] sata_mv: replace DPRINTK with dynamic debugging
config: sparc64-randconfig-r005-20211230 (https://download.01.org/0day-ci/archive/20211231/202112311057.WDs1psTQ-lkp(a)intel.com/config)
compiler: sparc64-linux-gcc (GCC) 11.2.0
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/dlemoal/libata.git/commit/?id=8e1aff057cd5a2d00d19754fabf7095ba54a7e91
git remote add dlemoal-libata git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata.git
git fetch --no-tags dlemoal-libata for-5.17-logging
git checkout 8e1aff057cd5a2d00d19754fabf7095ba54a7e91
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=sparc64 SHELL=/bin/bash drivers/ata/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
drivers/ata/sata_mv.c: In function 'mv_pci_error':
>> drivers/ata/sata_mv.c:1276:30: warning: 'dw' is used uninitialized [-Wuninitialized]
1276 | o += snprintf(linebuf + o, 38 - o,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1277 | "%08x ", dw);
| ~~~~~~~~~~~~
drivers/ata/sata_mv.c:1270:13: note: 'dw' was declared here
1270 | u32 dw;
| ^~
vim +/dw +1276 drivers/ata/sata_mv.c
1266
1267 static void mv_dump_pci_cfg(struct pci_dev *pdev, unsigned bytes)
1268 {
1269 int b, w, o;
1270 u32 dw;
1271 unsigned char linebuf[38];
1272
1273 for (b = 0; b < bytes; ) {
1274 for (w = 0, o = 0; b < bytes && w < 4; w++) {
1275 (void) pci_read_config_dword(pdev, b, &dw);
> 1276 o += snprintf(linebuf + o, 38 - o,
1277 "%08x ", dw);
1278 b += sizeof(u32);
1279 }
1280 dev_dbg(&pdev->dev, "%s: %02x: %s\n",
1281 __func__, b, linebuf);
1282 }
1283 }
1284
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2021-12-31 2:18 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-12-31 2:17 [dlemoal-libata:for-5.17-logging 28/79] drivers/ata/sata_mv.c:1276:30: warning: 'dw' is used uninitialized kernel test robot
2021-12-31 2:17 ` kernel test robot
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.