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Message-ID: <1648605588-19269-1-git-send-email-baihaowen@meizu.com> Date: Wed, 30 Mar 2022 09:59:48 +0800 From: Haowen Bai <baihaowen@...zu.com> To: Shuah Khan <shuah@...nel.org>, Alexei Starovoitov <ast@...nel.org>, "Daniel Borkmann" <daniel@...earbox.net>, Andrii Nakryiko <andrii@...nel.org>, "Martin KaFai Lau" <kafai@...com>, Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>, John Fastabend <john.fastabend@...il.com>, KP Singh <kpsingh@...nel.org> CC: Haowen Bai <baihaowen@...zu.com>, <linux-kselftest@...r.kernel.org>, <netdev@...r.kernel.org>, <bpf@...r.kernel.org>, <linux-kernel@...r.kernel.org> Subject: [PATCH V2] selftests/bpf: Fix warning comparing pointer to 0 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@...zu.com> --- V1->V2: include the error/warn message. tools/testing/selftests/bpf/progs/map_ptr_kern.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/bpf/progs/map_ptr_kern.c b/tools/testing/selftests/bpf/progs/map_ptr_kern.c index b64df94..db388f5 100644 --- a/tools/testing/selftests/bpf/progs/map_ptr_kern.c +++ b/tools/testing/selftests/bpf/progs/map_ptr_kern.c @@ -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; -- 2.7.4
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