| Message ID | 20240202090652.11294-1-jiapeng.chong@linux.alibaba.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | selftests/bpf: Use ARRAY_SIZE for array length | expand |
On 2/2/24 1:06 AM, Jiapeng Chong wrote: > Use of macro ARRAY_SIZE to calculate array size minimizes > the redundant code and improves code reusability. > > ./tools/testing/selftests/bpf/progs/syscall.c:122:26-27: WARNING: Use ARRAY_SIZE. > > Reported-by: Abaci Robot <abaci@linux.alibaba.com> > Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=8170 > Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com> > --- > tools/testing/selftests/bpf/progs/syscall.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/tools/testing/selftests/bpf/progs/syscall.c b/tools/testing/selftests/bpf/progs/syscall.c > index 3d3cafdebe72..297a34f224c3 100644 > --- a/tools/testing/selftests/bpf/progs/syscall.c > +++ b/tools/testing/selftests/bpf/progs/syscall.c > @@ -119,7 +119,7 @@ int load_prog(struct args *ctx) > static __u64 value = 34; > static union bpf_attr prog_load_attr = { > .prog_type = BPF_PROG_TYPE_XDP, > - .insn_cnt = sizeof(insns) / sizeof(insns[0]), > + .insn_cnt = ARRAY_SIZE(insns) This does not even compile: https://github.com/kernel-patches/bpf/actions/runs/7761734279/job/21170796228 The existing code here is fine. > }; > int ret; >
diff --git a/tools/testing/selftests/bpf/progs/syscall.c b/tools/testing/selftests/bpf/progs/syscall.c index 3d3cafdebe72..297a34f224c3 100644 --- a/tools/testing/selftests/bpf/progs/syscall.c +++ b/tools/testing/selftests/bpf/progs/syscall.c @@ -119,7 +119,7 @@ int load_prog(struct args *ctx) static __u64 value = 34; static union bpf_attr prog_load_attr = { .prog_type = BPF_PROG_TYPE_XDP, - .insn_cnt = sizeof(insns) / sizeof(insns[0]), + .insn_cnt = ARRAY_SIZE(insns) }; int ret;
Use of macro ARRAY_SIZE to calculate array size minimizes the redundant code and improves code reusability. ./tools/testing/selftests/bpf/progs/syscall.c:122:26-27: WARNING: Use ARRAY_SIZE. Reported-by: Abaci Robot <abaci@linux.alibaba.com> Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=8170 Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com> --- tools/testing/selftests/bpf/progs/syscall.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)