drivers/staging/media/rkvdec/rkvdec.c:967:34: warning: unused variable 'of_rkvdec_match'

From: kernel test robot
Date: Tue Aug 25 2020 - 22:29:53 EST


Hi Boris,

FYI, the error/warning still remains.

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: abb3438d69fb6dd5baa4ae23eafbf5b87945eff1
commit: cd33c830448baf7b1e94da72eca069e3e1d050c9 media: rkvdec: Add the rkvdec driver
date: 4 months ago
config: x86_64-randconfig-r001-20200826 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 7cfcecece0e0430937cf529ce74d3a071a4dedc6)
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 x86_64 cross compiling tool for clang build
# apt-get install binutils-x86-64-linux-gnu
git checkout cd33c830448baf7b1e94da72eca069e3e1d050c9
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64

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

All warnings (new ones prefixed by >>):

>> drivers/staging/media/rkvdec/rkvdec.c:967:34: warning: unused variable 'of_rkvdec_match' [-Wunused-const-variable]
static const struct of_device_id of_rkvdec_match[] = {
^
1 warning generated.

# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=cd33c830448baf7b1e94da72eca069e3e1d050c9
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout cd33c830448baf7b1e94da72eca069e3e1d050c9
vim +/of_rkvdec_match +967 drivers/staging/media/rkvdec/rkvdec.c

966
> 967 static const struct of_device_id of_rkvdec_match[] = {
968 { .compatible = "rockchip,rk3399-vdec" },
969 { /* sentinel */ }
970 };
971 MODULE_DEVICE_TABLE(of, of_rkvdec_match);
972

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

Attachment: .config.gz
Description: application/gzip