Re: [PATCH v1] drivers/clk/clk: check return value of clk_pm_runtime_get()

From: kernel test robot
Date: Sun Aug 28 2022 - 20:18:50 EST


Hi Li,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on clk/clk-next]
[also build test WARNING on linus/master v6.0-rc3 next-20220826]
[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#_base_tree_information]

url: https://github.com/intel-lab-lkp/linux/commits/Li-Zhong/drivers-clk-clk-check-return-value-of-clk_pm_runtime_get/20220829-042043
base: https://git.kernel.org/pub/scm/linux/kernel/git/clk/linux.git clk-next
config: arm-randconfig-r034-20220829 (https://download.01.org/0day-ci/archive/20220829/202208290820.mUMIcCS2-lkp@xxxxxxxxx/config)
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project a2100daf12fb980a29fd1a9c85ccf8eaaaf79730)
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 arm cross compiling tool for clang build
# apt-get install binutils-arm-linux-gnueabi
# https://github.com/intel-lab-lkp/linux/commit/26ebbe49c7b40cb8465ed2bba4e4e62c3a55bb93
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Li-Zhong/drivers-clk-clk-check-return-value-of-clk_pm_runtime_get/20220829-042043
git checkout 26ebbe49c7b40cb8465ed2bba4e4e62c3a55bb93
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash drivers/clk/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>):

>> drivers/clk/clk.c:3016:2: warning: misleading indentation; statement is not part of the previous 'if' [-Wmisleading-indentation]
clk_summary_show_one(s, c, level);
^
drivers/clk/clk.c:3014:5: note: previous statement is here
if (ret)
^
1 warning generated.


vim +/if +3016 drivers/clk/clk.c

89ac8d7ae1cde0 Mike Turquette 2013-08-21 3006
4dff95dc9477a3 Stephen Boyd 2015-04-30 3007 static void clk_summary_show_subtree(struct seq_file *s, struct clk_core *c,
4dff95dc9477a3 Stephen Boyd 2015-04-30 3008 int level)
4dff95dc9477a3 Stephen Boyd 2015-04-30 3009 {
4dff95dc9477a3 Stephen Boyd 2015-04-30 3010 struct clk_core *child;
26ebbe49c7b40c lily 2022-08-28 3011 int ret;
b2476490ef1113 Mike Turquette 2012-03-15 3012
26ebbe49c7b40c lily 2022-08-28 3013 ret = clk_pm_runtime_get(c);
26ebbe49c7b40c lily 2022-08-28 3014 if (ret)
26ebbe49c7b40c lily 2022-08-28 3015 return;
4dff95dc9477a3 Stephen Boyd 2015-04-30 @3016 clk_summary_show_one(s, c, level);
1bb294a7981c73 Taniya Das 2021-12-20 3017 clk_pm_runtime_put(c);
0e1c03017549a9 Viresh Kumar 2012-04-11 3018
4dff95dc9477a3 Stephen Boyd 2015-04-30 3019 hlist_for_each_entry(child, &c->children, child_node)
4dff95dc9477a3 Stephen Boyd 2015-04-30 3020 clk_summary_show_subtree(s, child, level + 1);
b2476490ef1113 Mike Turquette 2012-03-15 3021 }
b2476490ef1113 Mike Turquette 2012-03-15 3022

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