Re: [PATCH v1 1/6] staging: qlge: Initialize devlink health dump framework for the dlge driver

kernel test robot
2020-10-08T17:45:40Z

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Hi Coiby,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on staging/staging-testing]

url: https://github.com/0day-ci/linux/commits/Coiby-Xu/staging-qlge-Re-writing-the-debugging-features/20201008-200002
base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git 76c3bdd67d27289b9e407113821eab2a70bbcca6
config: arm64-randconfig-r025-20201008 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 8da0df3d6dcc0dd42740be60b0da4ec201190904)
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
# install arm64 cross compiling tool for clang build
# apt-get install binutils-aarch64-linux-gnu
# https://github.com/0day-ci/linux/commit/dda18d66af0554f1f2b69f9a61335f3de9ec5124
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Coiby-Xu/staging-qlge-Re-writing-the-debugging-features/20201008-200002
git checkout dda18d66af0554f1f2b69f9a61335f3de9ec5124
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64

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/staging/qlge/qlge_devlink.c:37:9: warning: variable 'err' is uninitialized when used here [-Wuninitialized]
return err;
^~~
drivers/staging/qlge/qlge_devlink.c:19:9: note: initialize the variable 'err' to silence this warning
int err;
^
= 0
1 warning generated.

vim +/err +37 drivers/staging/qlge/qlge_devlink.c

16
17 int qlge_health_create_reporters(struct qlge_devlink *priv)
18 {
19 int err;
20
21 struct devlink_health_reporter *reporter;
22 struct devlink *devlink;
23
24 devlink = priv_to_devlink(priv);
25 reporter =
26 devlink_health_reporter_create(devlink, &qlge_reporter_ops,
27 0,
28 priv);
29 if (IS_ERR(reporter)) {
30 netdev_warn(priv->ndev,
31 "Failed to create reporter, err = %ld\n",
32 PTR_ERR(reporter));
33 return PTR_ERR(reporter);
34 }
35 priv->reporter = reporter;
36
> 37 return err;

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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