[PATCH bpf-next] selftests/bpf: skip lsm_cgroup when don't have trampolines

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With arch_prepare_bpf_trampoline removed on x86:

 #98/1    lsm_cgroup/functional:SKIP
 #98      lsm_cgroup:SKIP
 Summary: 1/0 PASSED, 1 SKIPPED, 0 FAILED

Fixes: dca85aac8895 ("selftests/bpf: lsm_cgroup functional test")
Signed-off-by: Stanislav Fomichev <sdf@xxxxxxxxxx>
---
 tools/testing/selftests/bpf/prog_tests/lsm_cgroup.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/tools/testing/selftests/bpf/prog_tests/lsm_cgroup.c b/tools/testing/selftests/bpf/prog_tests/lsm_cgroup.c
index d40810a742fa..c542d7e80a5b 100644
--- a/tools/testing/selftests/bpf/prog_tests/lsm_cgroup.c
+++ b/tools/testing/selftests/bpf/prog_tests/lsm_cgroup.c
@@ -9,6 +9,10 @@
 #include "cgroup_helpers.h"
 #include "network_helpers.h"
 
+#ifndef ENOTSUPP
+#define ENOTSUPP 524
+#endif
+
 static struct btf *btf;
 
 static __u32 query_prog_cnt(int cgroup_fd, const char *attach_func)
@@ -100,6 +104,10 @@ static void test_lsm_cgroup_functional(void)
 	ASSERT_EQ(query_prog_cnt(cgroup_fd, "bpf_lsm_sk_alloc_security"), 0, "prog count");
 	ASSERT_EQ(query_prog_cnt(cgroup_fd, NULL), 0, "total prog count");
 	err = bpf_prog_attach(alloc_prog_fd, cgroup_fd, BPF_LSM_CGROUP, 0);
+	if (err == -ENOTSUPP) {
+		test__skip();
+		goto close_cgroup;
+	}
 	if (!ASSERT_OK(err, "attach alloc_prog_fd"))
 		goto detach_cgroup;
 	ASSERT_EQ(query_prog_cnt(cgroup_fd, "bpf_lsm_sk_alloc_security"), 1, "prog count");
-- 
2.37.0.rc0.161.g10f37bed90-goog




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