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SubjectRe: [PATCH v2 1/2] can: skb:: move can_dropped_invalid_skb and can_skb_headroom_valid to skb.c
Hi Vincent,

I love your patch! Yet something to improve:

[auto build test ERROR on mkl-can-next/testing]
[also build test ERROR on v5.18-rc6 next-20220513]
[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]

url: https://github.com/intel-lab-lkp/linux/commits/Vincent-Mailhol/can-skb-move-can_dropped_invalid_skb-and-can_skb_headroom_valid-to-skb-c/20220514-003707
base: https://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next.git testing
config: arm-randconfig-r021-20220512 (https://download.01.org/0day-ci/archive/20220514/202205141221.H0aZXRak-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 38189438b69ca27b4c6ce707c52dbd217583d046)
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/8f56e6b1b9945ea47c9f410d1254451df9d6fe22
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Vincent-Mailhol/can-skb-move-can_dropped_invalid_skb-and-can_skb_headroom_valid-to-skb-c/20220514-003707
git checkout 8f56e6b1b9945ea47c9f410d1254451df9d6fe22
# 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

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

All errors (new ones prefixed by >>):

ld.lld: warning: lld uses blx instruction, no object with architecture supporting feature detected
ld.lld: warning: lld uses blx instruction, no object with architecture supporting feature detected
>> ld.lld: error: undefined symbol: can_dropped_invalid_skb
>>> referenced by vxcan.c:45 (drivers/net/can/vxcan.c:45)
>>> net/can/vxcan.o:(vxcan_xmit) in archive drivers/built-in.a

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

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