tree:   https://github.com/cschaufler/smack-next next
head:   322dd63c7f98315b5794653bc582d109841219ae
commit: 36be81293dbe35aca487917c2d76941bf734d2ad [1/3] Smack: Consolidate uses of secmark into a function
config: arm-randconfig-r001-20200911 (attached as .config)
compiler: arm-linux-gnueabi-gcc (GCC) 9.3.0
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
        git checkout 36be81293dbe35aca487917c2d76941bf734d2ad
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm 

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

All error/warnings (new ones prefixed by >>):

   security/smack/smack_lsm.c: In function 'smack_from_skb':
>> security/smack/smack_lsm.c:3821:26: error: 'struct sk_buff' has no member named 'secmark'; did you mean 'mark'?
    3821 |  if (skb == NULL || skb->secmark == 0)
         |                          ^~~~~~~
         |                          mark
   security/smack/smack_lsm.c:3824:31: error: 'struct sk_buff' has no member named 'secmark'; did you mean 'mark'?
    3824 |  return smack_from_secid(skb->secmark);
         |                               ^~~~~~~
         |                               mark
>> security/smack/smack_lsm.c:3825:1: warning: control reaches end of non-void function [-Wreturn-type]
    3825 | }
         | ^

# https://github.com/cschaufler/smack-next/commit/36be81293dbe35aca487917c2d76941bf734d2ad
git remote add cschaufler https://github.com/cschaufler/smack-next
git fetch --no-tags cschaufler next
git checkout 36be81293dbe35aca487917c2d76941bf734d2ad
vim +3821 security/smack/smack_lsm.c

  3812	
  3813	/**
  3814	 * smack_from_skb - Smack data from the secmark in an skb
  3815	 * @skb: packet
  3816	 *
  3817	 * Returns smack_known of the secmark or NULL if that won't work.
  3818	 */
  3819	static struct smack_known *smack_from_skb(struct sk_buff *skb)
  3820	{
> 3821		if (skb == NULL || skb->secmark == 0)
  3822			return NULL;
  3823	
  3824		return smack_from_secid(skb->secmark);
> 3825	}
  3826	

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