Messages in this thread |  | | Date | Mon, 23 Nov 2020 08:31:06 +0800 | From | kernel test robot <> | Subject | Re: [PATCH] driver core: cleanup kstrto*() usage |
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Hi Alexey,
I love your patch! Perhaps something to improve:
[auto build test WARNING on driver-core/driver-core-testing] [also build test WARNING on v5.10-rc4] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Alexey-Dobriyan/driver-core-cleanup-kstrto-usage/20201122-201458 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git 33c0c9bdf7a59051a654cd98b7d2b48ce0080967 compiler: riscv64-linux-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <rong.a.chen@intel.com>
cppcheck possible warnings: (new ones prefixed by >>, may not real problems)
drivers/base/core.c:3196:10: warning: Identical inner 'return' condition is always true. [identicalInnerCondition] return *tmp; ^ drivers/base/core.c:3195:6: note: outer condition: *tmp if (*tmp) ^ drivers/base/core.c:3196:10: note: identical inner condition: *tmp return *tmp; ^ drivers/base/core.c:3202:10: warning: Identical inner 'return' condition is always true. [identicalInnerCondition] return *tmp; ^ drivers/base/core.c:3201:6: note: outer condition: *tmp if (*tmp) ^ drivers/base/core.c:3202:10: note: identical inner condition: *tmp return *tmp; ^ >> drivers/base/core.c:1725:6: warning: Unused variable: val [unusedVariable] int val; ^
vim +1725 drivers/base/core.c
ca22e56debc57b Kay Sievers 2011-12-14 1719 ca22e56debc57b Kay Sievers 2011-12-14 1720 ssize_t device_store_int(struct device *dev, ca22e56debc57b Kay Sievers 2011-12-14 1721 struct device_attribute *attr, ca22e56debc57b Kay Sievers 2011-12-14 1722 const char *buf, size_t size) ca22e56debc57b Kay Sievers 2011-12-14 1723 { ca22e56debc57b Kay Sievers 2011-12-14 1724 struct dev_ext_attribute *ea = to_ext_attr(attr); e7443ff26978ad Alexey Dobriyan 2020-11-22 @1725 int val; f88184bfee48d4 Kaitao cheng 2018-11-06 1726 int ret; f88184bfee48d4 Kaitao cheng 2018-11-06 1727 e7443ff26978ad Alexey Dobriyan 2020-11-22 1728 ret = kstrtoint(buf, 0, (int *)ea->var); f88184bfee48d4 Kaitao cheng 2018-11-06 1729 if (ret) f88184bfee48d4 Kaitao cheng 2018-11-06 1730 return ret; ca22e56debc57b Kay Sievers 2011-12-14 1731 /* Always return full write size even if we didn't consume all */ ca22e56debc57b Kay Sievers 2011-12-14 1732 return size; ca22e56debc57b Kay Sievers 2011-12-14 1733 } ca22e56debc57b Kay Sievers 2011-12-14 1734 EXPORT_SYMBOL_GPL(device_store_int); ca22e56debc57b Kay Sievers 2011-12-14 1735
--- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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