diff mbox series

selftests/bpf:fix a resource leak in main()

Message ID 20240711073436.2258240-1-make24@iscas.ac.cn (mailing list archive)
State Changes Requested
Delegated to: BPF
Headers show
Series selftests/bpf:fix a resource leak in main() | expand

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Context Check Description
netdev/tree_selection success Not a local patch
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Commit Message

Ma Ke July 11, 2024, 7:34 a.m. UTC 
The requested resources should be closed before return in main(), otherwise
resource leak will occur. Add a check of cgfd before close().

Fixes: 5ecd8c22739b ("selftests/bpf: Selftest for bpf_skb_ancestor_cgroup_id")
Signed-off-by: Ma Ke <make24@iscas.ac.cn>
---
 tools/testing/selftests/bpf/test_skb_cgroup_id_user.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/tools/testing/selftests/bpf/test_skb_cgroup_id_user.c b/tools/testing/selftests/bpf/test_skb_cgroup_id_user.c
index ed518d075d1d..f84faddd72e6 100644
--- a/tools/testing/selftests/bpf/test_skb_cgroup_id_user.c
+++ b/tools/testing/selftests/bpf/test_skb_cgroup_id_user.c
@@ -176,7 +176,8 @@  int main(int argc, char **argv)
 err:
 	err = -1;
 out:
-	close(cgfd);
+	if (cgfd >= 0)
+		close(cgfd);
 	cleanup_cgroup_environment();
 	printf("[%s]\n", err ? "FAIL" : "PASS");
 	return err;