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| author | Guo Zhengkui <guozhengkui@vivo.com> | 2022-03-06 10:34:26 +0800 |
|---|---|---|
| committer | Andrii Nakryiko <andrii@kernel.org> | 2022-03-07 22:13:00 -0800 |
| commit | 04b6de649e124f2ea9693a25a744e646c1203ff9 (patch) | |
| tree | 5e354cdeb5061ecb23248d53b6bebbbb6503e528 | |
| parent | 03b9c7fa3f15f51bcd07f3828c2a01311e7746c4 (diff) | |
| download | linux-04b6de649e124f2ea9693a25a744e646c1203ff9.tar.bz2 | |
libbpf: Fix array_size.cocci warning
Fix the following coccicheck warning:
tools/lib/bpf/bpf.c:114:31-32: WARNING: Use ARRAY_SIZE
tools/lib/bpf/xsk.c:484:34-35: WARNING: Use ARRAY_SIZE
tools/lib/bpf/xsk.c:485:35-36: WARNING: Use ARRAY_SIZE
It has been tested with gcc (Debian 8.3.0-6) 8.3.0 on x86_64.
Signed-off-by: Guo Zhengkui <guozhengkui@vivo.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20220306023426.19324-1-guozhengkui@vivo.com
| -rw-r--r-- | tools/lib/bpf/bpf.c | 3 | ||||
| -rw-r--r-- | tools/lib/bpf/xsk.c | 4 |
2 files changed, 4 insertions, 3 deletions
diff --git a/tools/lib/bpf/bpf.c b/tools/lib/bpf/bpf.c index 418b259166f8..3c7c180294fa 100644 --- a/tools/lib/bpf/bpf.c +++ b/tools/lib/bpf/bpf.c @@ -29,6 +29,7 @@ #include <errno.h> #include <linux/bpf.h> #include <linux/filter.h> +#include <linux/kernel.h> #include <limits.h> #include <sys/resource.h> #include "bpf.h" @@ -111,7 +112,7 @@ int probe_memcg_account(void) BPF_EMIT_CALL(BPF_FUNC_ktime_get_coarse_ns), BPF_EXIT_INSN(), }; - size_t insn_cnt = sizeof(insns) / sizeof(insns[0]); + size_t insn_cnt = ARRAY_SIZE(insns); union bpf_attr attr; int prog_fd; diff --git a/tools/lib/bpf/xsk.c b/tools/lib/bpf/xsk.c index 32a2f5749c71..af136f73b09d 100644 --- a/tools/lib/bpf/xsk.c +++ b/tools/lib/bpf/xsk.c @@ -481,8 +481,8 @@ static int xsk_load_xdp_prog(struct xsk_socket *xsk) BPF_EMIT_CALL(BPF_FUNC_redirect_map), BPF_EXIT_INSN(), }; - size_t insns_cnt[] = {sizeof(prog) / sizeof(struct bpf_insn), - sizeof(prog_redirect_flags) / sizeof(struct bpf_insn), + size_t insns_cnt[] = {ARRAY_SIZE(prog), + ARRAY_SIZE(prog_redirect_flags), }; struct bpf_insn *progs[] = {prog, prog_redirect_flags}; enum xsk_prog option = get_xsk_prog(); |