linux-kernel - [PATCH] samples/seccomp: fix array

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Date:   Sun, 13 Nov 2022 17:58:36 +0800 (GMT+08:00)
From:   wangkailong@...i.cn
To:     linux-kernel@...r.kernel.org, bpf@...r.kernel.org
Subject: [PATCH] samples/seccomp: fix array_size.cocci warning

Fix following coccicheck warning:

samples/seccomp/bpf-fancy.c:83:39-40: WARNING: Use ARRAY_SIZE
samples/seccomp/bpf-fancy.c:86:44-45: WARNING: Use ARRAY_SIZE

Signed-off-by: KaiLong Wang <wangkailong@...i.cn>
---
 samples/seccomp/bpf-fancy.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/samples/seccomp/bpf-fancy.c b/samples/seccomp/bpf-fancy.c
index 1ccb435025b6..548f038924d6 100644
--- a/samples/seccomp/bpf-fancy.c
+++ b/samples/seccomp/bpf-fancy.c
@@ -80,10 +80,10 @@ int main(int argc, char **argv)
 	};
 	struct sock_fprog prog = {
 		.filter = filter,
-		.len = (unsigned short)(sizeof(filter)/sizeof(filter[0])),
+		.len = (unsigned short)(ARRAY_SIZE(filter)),
 	};
 	ssize_t bytes;
-	bpf_resolve_jumps(&l, filter, sizeof(filter)/sizeof(*filter));
+	bpf_resolve_jumps(&l, filter, ARRAY_SIZE(filter));
 
 	if (prctl(PR_SET_NO_NEW_PRIVS, 1, 0, 0, 0)) {
 		perror("prctl(NO_NEW_PRIVS)");
-- 
2.25.1