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selftests/bpf: Fix warning comparing pointer to 0

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Avoid pointer type value compared with 0 to make code clear. Reported by
coccicheck:

  tools/testing/selftests/bpf/progs/map_ptr_kern.c:370:21-22:
  WARNING comparing pointer to 0
  tools/testing/selftests/bpf/progs/map_ptr_kern.c:397:21-22:
  WARNING comparing pointer to 0

Signed-off-by: Haowen Bai <baihaowen@meizu.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/bpf/1648605588-19269-1-git-send-email-baihaowen@meizu.com
This commit is contained in:
Haowen Bai 2022-03-30 09:59:48 +08:00 committed by Daniel Borkmann
parent d31e0386a2
commit 2609f635a2
1 changed files with 2 additions and 2 deletions
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4
tools/testing/selftests/bpf/progs/map_ptr_kern.c
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@ -367,7 +367,7 @@ static inline int check_array_of_maps(void)
VERIFY(check_default(&array_of_maps->map, map));
inner_map = bpf_map_lookup_elem(array_of_maps, &key);
VERIFY(inner_map != 0);
VERIFY(inner_map != NULL);
VERIFY(inner_map->map.max_entries == INNER_MAX_ENTRIES);
return 1;
@ -394,7 +394,7 @@ static inline int check_hash_of_maps(void)
VERIFY(check_default(&hash_of_maps->map, map));
inner_map = bpf_map_lookup_elem(hash_of_maps, &key);
VERIFY(inner_map != 0);
VERIFY(inner_map != NULL);
VERIFY(inner_map->map.max_entries == INNER_MAX_ENTRIES);
return 1;