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selftests/bpf: Correct the check of join cgroup

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Use ASSERT_OK_FD to check the return value of join cgroup,
or else this test will pass even if the fd < 0. ASSERT_OK_FD
can print the error message to the console.

Suggested-by: Martin KaFai Lau <martin.lau@kernel.org>
Signed-off-by: Jason Xing <kerneljasonxing@gmail.com>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Acked-by: Hou Tao <houtao1@huawei.com>
Link: https://lore.kernel.org/all/6d62bd77-6733-40c7-b240-a1aeff55566c@linux.dev/
Link: https://patch.msgid.link/20250204051154.57655-1-kerneljasonxing@gmail.com
This commit is contained in:
Jason Xing 2025-02-04 13:11:54 +08:00 committed by Martin KaFai Lau
parent 0abff462d8
commit 003be25ab9
1 changed files with 1 additions and 1 deletions
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2
tools/testing/selftests/bpf/prog_tests/setget_sockopt.c
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@ -202,7 +202,7 @@ static void test_nonstandard_opt(int family)
void test_setget_sockopt(void)
{
cg_fd = test__join_cgroup(CG_NAME);
if (cg_fd < 0)
if (!ASSERT_OK_FD(cg_fd, "join cgroup"))
return;
if (create_netns())