[openeuler:OLK-5.10 21426/30000] net/core/sock_map.c:1501:5: sparse: sparse: symbol 'sock_map_prog_lookup' was not declared. Should it be static?

[kernel test robot <lkp@intel.com>]

tree:   https://gitee.com/openeuler/kernel.git OLK-5.10
head:   32bb7b0a7c87769858fbb9d60574b830383c28f7
commit: 050383882de382969e4fb8362235749b232cccae [21426/30000] bpf: support BPF_PROG_QUERY for progs attached to sockmap
config: x86_64-randconfig-123-20240317 (https://download.01.org/0day-ci/archive/20240317/202403171747.MBuYnaps-lkp@intel.com/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/20240317/202403171747.MBuYnaps-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/202403171747.MBuYnaps-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> net/core/sock_map.c:1501:5: sparse: sparse: symbol 'sock_map_prog_lookup' was not declared. Should it be static?

vim +/sock_map_prog_lookup +1501 net/core/sock_map.c

  1500	
> 1501	int sock_map_prog_lookup(struct bpf_map *map, struct bpf_prog ***pprog,
  1502				 u32 which)
  1503	{
  1504		struct sk_psock_progs *progs = sock_map_progs(map);
  1505	
  1506		if (!progs)
  1507			return -EOPNOTSUPP;
  1508	
  1509		switch (which) {
  1510		case BPF_SK_MSG_VERDICT:
  1511			*pprog = &progs->msg_parser;
  1512			break;
  1513		case BPF_SK_SKB_STREAM_PARSER:
  1514			*pprog = &progs->skb_parser;
  1515			break;
  1516		case BPF_SK_SKB_STREAM_VERDICT:
  1517			*pprog = &progs->skb_verdict;
  1518			break;
  1519		default:
  1520			return -EOPNOTSUPP;
  1521		}
  1522		return 0;
  1523	}
  1524	

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