[gustavoars:totally-untested/remaining-fam0 1/2] drivers/net/can/usb/etas_es58x/es58x_core.h:225:5: error: flexible array member 'raw_cmd' in a union is not allowed
From: kernel test robot
Date: Fri Aug 12 2022 - 10:02:53 EST
tree: https://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux.git totally-untested/remaining-fam0
head: b0684d2f714f4ae515c283697c48d14e3ccef21b
commit: 9b8e2a44bb97e6316a5d268f9812543e2f6f1d44 [1/2] totally-untested: remaining zero-length arrays in unions in next-20220811
config: x86_64-randconfig-a016 (https://download.01.org/0day-ci/archive/20220812/202208122128.dEarB7X1-lkp@xxxxxxxxx/config)
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 5f1c7e2cc5a3c07cbc2412e851a7283c1841f520)
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
# https://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux.git/commit/?id=9b8e2a44bb97e6316a5d268f9812543e2f6f1d44
git remote add gustavoars https://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux.git
git fetch --no-tags gustavoars totally-untested/remaining-fam0
git checkout 9b8e2a44bb97e6316a5d268f9812543e2f6f1d44
# 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=x86_64 SHELL=/bin/bash
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@xxxxxxxxx>
All errors (new ones prefixed by >>):
In file included from drivers/net/can/usb/etas_es58x/es58x_core.c:20:
>> drivers/net/can/usb/etas_es58x/es58x_core.h:225:5: error: flexible array member 'raw_cmd' in a union is not allowed
u8 raw_cmd[];
^
1 error generated.
vim +/raw_cmd +225 drivers/net/can/usb/etas_es58x/es58x_core.h
216
217 union es58x_urb_cmd {
218 struct es581_4_urb_cmd es581_4_urb_cmd;
219 struct es58x_fd_urb_cmd es58x_fd_urb_cmd;
220 struct { /* Common header parts of all variants */
221 __le16 sof;
222 u8 cmd_type;
223 u8 cmd_id;
224 } __packed;
> 225 u8 raw_cmd[];
226 };
227
--
0-DAY CI Kernel Test Service
https://01.org/lkp