linux-kernel - [PATCH] selftests/bpf: fix warning comparing pointer to 0

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Message-Id: <1619085648-36826-1-git-send-email-jiapeng.chong@linux.alibaba.com>
Date:   Thu, 22 Apr 2021 18:00:48 +0800
From:   Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To:     shuah@...nel.org
Cc:     ast@...nel.org, daniel@...earbox.net, andrii@...nel.org,
        kafai@...com, songliubraving@...com, yhs@...com,
        john.fastabend@...il.com, kpsingh@...nel.org,
        linux-kselftest@...r.kernel.org, netdev@...r.kernel.org,
        bpf@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
Subject: [PATCH] selftests/bpf: fix warning comparing pointer to 0

Fix the following coccicheck warning:

./tools/testing/selftests/bpf/progs/fentry_test.c:76:15-16: WARNING
comparing pointer to 0.

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
---
 tools/testing/selftests/bpf/progs/fentry_test.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/bpf/progs/fentry_test.c b/tools/testing/selftests/bpf/progs/fentry_test.c
index 52a550d..d4247d6 100644
--- a/tools/testing/selftests/bpf/progs/fentry_test.c
+++ b/tools/testing/selftests/bpf/progs/fentry_test.c
@@ -73,7 +73,7 @@ int BPF_PROG(test7, struct bpf_fentry_test_t *arg)
 SEC("fentry/bpf_fentry_test8")
 int BPF_PROG(test8, struct bpf_fentry_test_t *arg)
 {
-	if (arg->a == 0)
+	if (!arg->a)
 		test8_result = 1;
 	return 0;
 }
-- 
1.8.3.1