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[bpf-next,v4,2/5] selftests/bpf: test_sockmap, join cgroup in selftest mode

Message ID 20180531044240.796-3-bhole_prashant_q7@lab.ntt.co.jp (mailing list archive)
State Accepted
Headers show

Commit Message

Prashant Bhole May 31, 2018, 4:42 a.m. UTC 
In case of selftest mode, temporary cgroup environment is created but
cgroup is not joined. It causes test failures. Fixed by joining the
cgroup

Fixes: 16962b2404ac ("bpf: sockmap, add selftests")
Acked-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Prashant Bhole <bhole_prashant_q7@lab.ntt.co.jp>
---
 tools/testing/selftests/bpf/test_sockmap.c | 5 +++++
 1 file changed, 5 insertions(+)
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Patch

diff --git a/tools/testing/selftests/bpf/test_sockmap.c b/tools/testing/selftests/bpf/test_sockmap.c
index 7b2008a144cb..7f9ca79aadbc 100644
--- a/tools/testing/selftests/bpf/test_sockmap.c
+++ b/tools/testing/selftests/bpf/test_sockmap.c
@@ -1344,6 +1344,11 @@  static int __test_suite(char *bpf_file)
 		return cg_fd;
 	}
 
+	if (join_cgroup(CG_PATH)) {
+		fprintf(stderr, "ERROR: failed to join cgroup\n");
+		return -EINVAL;
+	}
+
 	/* Tests basic commands and APIs with range of iov values */
 	txmsg_start = txmsg_end = 0;
 	err = test_txmsg(cg_fd);