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Subject[PATCH] selftests/bpf: Fix return value check in attach_bpf()
Date
use libbpf_get_error() to check the return value of
bpf_program__attach().

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
---
tools/testing/selftests/bpf/benchs/bench_rename.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/bpf/benchs/bench_rename.c b/tools/testing/selftests/bpf/benchs/bench_rename.c
index c7ec114eca56..b7d4a1d74fca 100644
--- a/tools/testing/selftests/bpf/benchs/bench_rename.c
+++ b/tools/testing/selftests/bpf/benchs/bench_rename.c
@@ -65,7 +65,7 @@ static void attach_bpf(struct bpf_program *prog)
struct bpf_link *link;

link = bpf_program__attach(prog);
- if (!link) {
+ if (libbpf_get_error(link)) {
fprintf(stderr, "failed to attach program!\n");
exit(1);
}
--
2.25.4
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