net/sched/act_meta_skbprio.c:43:25: sparse: sparse: cast to restricted __be32
From: kernel test robot
Date: Wed Dec 13 2023 - 23:59:57 EST
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 5bd7ef53ffe5ca580e93e74eb8c81ed191ddc4bd
commit: 200e10f46936d95a553414f249cefb765194b235 Support to encoding decoding skb prio on IFE action
date: 8 years ago
config: i386-randconfig-063-20230903 (https://download.01.org/0day-ci/archive/20231214/202312141253.4bTcywD4-lkp@xxxxxxxxx/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231214/202312141253.4bTcywD4-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202312141253.4bTcywD4-lkp@xxxxxxxxx/
sparse warnings: (new ones prefixed by >>)
>> net/sched/act_meta_skbprio.c:43:25: sparse: sparse: cast to restricted __be32
>> net/sched/act_meta_skbprio.c:43:25: sparse: sparse: cast to restricted __be32
>> net/sched/act_meta_skbprio.c:43:25: sparse: sparse: cast to restricted __be32
>> net/sched/act_meta_skbprio.c:43:25: sparse: sparse: cast to restricted __be32
>> net/sched/act_meta_skbprio.c:43:25: sparse: sparse: cast to restricted __be32
>> net/sched/act_meta_skbprio.c:43:25: sparse: sparse: cast to restricted __be32
In file included from include/linux/kernel.h:11,
from net/sched/act_meta_skbprio.c:14:
include/linux/log2.h:22:1: warning: ignoring attribute 'noreturn' because it conflicts with attribute 'const' [-Wattributes]
22 | int ____ilog2_NaN(void);
| ^~~
vim +43 net/sched/act_meta_skbprio.c
38
39 static int skbprio_decode(struct sk_buff *skb, void *data, u16 len)
40 {
41 u32 ifeprio = *(u32 *)data;
42
> 43 skb->priority = ntohl(ifeprio);
44 return 0;
45 }
46
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