| Message ID | 20220407153814.104914-1-ytcoode@gmail.com |
|---|---|
| State | Accepted |
| Commit | 658d87687cd5a6c8762d1de8abee1e6792d8d71e |
| Headers | show |
| Series | [bpf-next] selftests/bpf: Fix return value checks in perf_event_stackmap.c | expand |
diff --git a/tools/testing/selftests/bpf/progs/perf_event_stackmap.c b/tools/testing/selftests/bpf/progs/perf_event_stackmap.c index b3fcb5274ee0..f793280a3238 100644 --- a/tools/testing/selftests/bpf/progs/perf_event_stackmap.c +++ b/tools/testing/selftests/bpf/progs/perf_event_stackmap.c @@ -35,10 +35,10 @@ int oncpu(void *ctx) long val; val = bpf_get_stackid(ctx, &stackmap, 0); - if (val > 0) + if (val >= 0) stackid_kernel = 2; val = bpf_get_stackid(ctx, &stackmap, BPF_F_USER_STACK); - if (val > 0) + if (val >= 0) stackid_user = 2; trace = bpf_map_lookup_elem(&stackdata_map, &key);
The bpf_get_stackid() function may also return 0 on success. Signed-off-by: Yuntao Wang <ytcoode@gmail.com> --- tools/testing/selftests/bpf/progs/perf_event_stackmap.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)