[PATCH] selftests/bpf: fix array_size.cocci warning:

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Use ARRAY_SIZE() because it uses __must_be_array(arr) to make sure
arr is really an array.

Signed-off-by: Guo Zhengkui <guozhengkui@xxxxxxxx>
---
 .../testing/selftests/bpf/prog_tests/cgroup_attach_override.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/bpf/prog_tests/cgroup_attach_override.c b/tools/testing/selftests/bpf/prog_tests/cgroup_attach_override.c
index 356547e849e2..1921c5040d8c 100644
--- a/tools/testing/selftests/bpf/prog_tests/cgroup_attach_override.c
+++ b/tools/testing/selftests/bpf/prog_tests/cgroup_attach_override.c
@@ -1,5 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0
 
+#include <linux/kernel.h>
 #include <test_progs.h>
 
 #include "cgroup_helpers.h"
@@ -16,10 +17,9 @@ static int prog_load(int verdict)
 		BPF_MOV64_IMM(BPF_REG_0, verdict), /* r0 = verdict */
 		BPF_EXIT_INSN(),
 	};
-	size_t insns_cnt = sizeof(prog) / sizeof(struct bpf_insn);
 
 	return bpf_test_load_program(BPF_PROG_TYPE_CGROUP_SKB,
-			       prog, insns_cnt, "GPL", 0,
+			       prog, ARRAY_SIZE(prog), "GPL", 0,
 			       bpf_log_buf, BPF_LOG_BUF_SIZE);
 }
 
-- 
2.20.1




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