Re: [PATCH] staging: greybus: don't use index pointer after iter

From: kernel test robot
Date: Fri Jul 08 2022 - 01:40:36 EST


Hi Karthik,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on v5.19-rc5]
[also build test ERROR on linus/master]
[cannot apply to staging/staging-testing next-20220707]
[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/Karthik-Alapati/staging-greybus-don-t-use-index-pointer-after-iter/20220707-183311
base: 88084a3df1672e131ddc1b4e39eeacfd39864acf
config: arm-randconfig-r014-20220707 (https://download.01.org/0day-ci/archive/20220708/202207081340.OdVTd0BF-lkp@xxxxxxxxx/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 562c3467a6738aa89203f72fc1d1343e5baadf3c)
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/bc295082ef055003c6018b57d3c56c5aefcb65c5
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Karthik-Alapati/staging-greybus-don-t-use-index-pointer-after-iter/20220707-183311
git checkout bc295082ef055003c6018b57d3c56c5aefcb65c5
# 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/staging/greybus/

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

All errors (new ones prefixed by >>):

>> drivers/staging/greybus/audio_helper.c:128:18: error: expected ';' after expression
w_found = false
^
;
1 error generated.


vim +128 drivers/staging/greybus/audio_helper.c

124
125 mutex_lock(&dapm->card->dapm_mutex);
126 for (i = 0; i < num; i++) {
127 /* below logic can be optimized to identify widget pointer */
> 128 w_found = false
129 list_for_each_entry_safe(w, next_w, &dapm->card->widgets,
130 list) {
131 if (w->dapm != dapm)
132 continue;
133 if (!strcmp(w->name, widget->name)) {
134 w_found = true;
135 break;
136 }
137 w = NULL;
138 }
139 if (!w_found) {
140 dev_err(dapm->dev, "%s: widget not found\n",
141 widget->name);
142 widget++;
143 continue;
144 }
145 widget++;
146 #ifdef CONFIG_DEBUG_FS
147 if (!parent)
148 debugfs_w = debugfs_lookup(w->name, parent);
149 debugfs_remove(debugfs_w);
150 debugfs_w = NULL;
151 #endif
152 gbaudio_dapm_free_widget(w);
153 }
154 mutex_unlock(&dapm->card->dapm_mutex);
155 return 0;
156 }
157

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0-DAY CI Kernel Test Service
https://01.org/lkp