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| author |   Linkui Xiao <xiaolinkui@kylinos.cn> | 2022-07-12 15:23:02 +0800 |
|---|---|---|
| committer |   Andrii Nakryiko <andrii@kernel.org> | 2022-07-13 21:43:52 -0700 |
| commit | b1fc28b338860b6c06a7a5881005a1ca9b108ba2 (patch) | |
| tree | 4fc19e93557bd3e2b98f1768970f8fae7ad1ff8b /samples/bpf/tracex5_user.c | |
| parent | bpf: Tidy up verifier check_func_arg() (diff) | |
| download | linux-dev-b1fc28b338860b6c06a7a5881005a1ca9b108ba2.tar.xz linux-dev-b1fc28b338860b6c06a7a5881005a1ca9b108ba2.zip | |
samples: bpf: Replace sizeof(arr)/sizeof(arr[0]) with ARRAY_SIZE
The ARRAY_SIZE macro is more compact and more formal in linux source.
Signed-off-by: Linkui Xiao <xiaolinkui@kylinos.cn>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/bpf/20220712072302.13761-1-xiaolinkui@kylinos.cn
Diffstat (limited to '')
| -rw-r--r-- | samples/bpf/tracex5_user.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/samples/bpf/tracex5_user.c b/samples/bpf/tracex5_user.c index e910dc265c31..9d7d79f0d47d 100644 --- a/samples/bpf/tracex5_user.c +++ b/samples/bpf/tracex5_user.c @@ -8,6 +8,7 @@ #include <bpf/bpf.h> #include <bpf/libbpf.h> #include "trace_helpers.h" +#include "bpf_util.h" #ifdef __mips__ #define MAX_ENTRIES 6000 /* MIPS n64 syscalls start at 5000 */ @@ -24,7 +25,7 @@ static void install_accept_all_seccomp(void) BPF_STMT(BPF_RET+BPF_K, SECCOMP_RET_ALLOW), }; struct sock_fprog prog = { - .len = (unsigned short)(sizeof(filter)/sizeof(filter[0])), + .len = (unsigned short)ARRAY_SIZE(filter), .filter = filter, }; if (prctl(PR_SET_SECCOMP, 2, &prog)) |