[linux-next:master 3278/3762] security/selinux/hooks.c:249:41: sparse: sparse: Using plain integer as NULL pointer

[linux-next:master 3278/3762] security/selinux/hooks.c:249:41: sparse: sparse: Using plain integer as NULL pointer

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   c58c49dd89324b18a812762a2bfa5a0458e4f252
commit: dd51fcd42fd6bf37608f54303b974b47f73c1490 [3278/3762] selinux: introduce and use lsm_ad_net_init*() helpers
config: x86_64-randconfig-x063-20230720 (https://download.01.org/0day-ci/archive/20230721/202307210332.4AqFZfzI-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce: (https://download.01.org/0day-ci/archive/20230721/202307210332.4AqFZfzI-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202307210332.4AqFZfzI-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> security/selinux/hooks.c:249:41: sparse: sparse: Using plain integer as NULL pointer
   security/selinux/hooks.c:5392:22: sparse: sparse: restricted __be16 degrades to integer
   security/selinux/hooks.c:5393:22: sparse: sparse: restricted __be16 degrades to integer

vim +249 security/selinux/hooks.c

   244	
   245	static void ad_net_init_from_iif(struct common_audit_data *ad,
   246					 struct lsm_network_audit *net,
   247					 int ifindex, u16 family)
   248	{
 > 249		__ad_net_init(ad, net, ifindex, 0, family);
   250	}
   251	

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