[PATCH bpf-next] selftests/bpf: don't exit on failed bpf_testmod unload

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Fix bug in handling bpf_testmod unloading that will cause test_progs exiting
prematurely if bpf_testmod unloading failed. This is especially problematic
when running a subset of test_progs that doesn't require root permissions and
doesn't rely on bpf_testmod, yet will fail immediately due to exit(1) in
unload_bpf_testmod().

Fixes: 9f7fa225894c ("selftests/bpf: Add bpf_testmod kernel module for testing")
Signed-off-by: Andrii Nakryiko <andrii@xxxxxxxxxx>
---
 tools/testing/selftests/bpf/test_progs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/bpf/test_progs.c b/tools/testing/selftests/bpf/test_progs.c
index 213628ee721c..6396932b97e2 100644
--- a/tools/testing/selftests/bpf/test_progs.c
+++ b/tools/testing/selftests/bpf/test_progs.c
@@ -390,7 +390,7 @@ static void unload_bpf_testmod(void)
 			return;
 		}
 		fprintf(env.stderr, "Failed to unload bpf_testmod.ko from kernel: %d\n", -errno);
-		exit(1);
+		return;
 	}
 	if (env.verbosity > VERBOSE_NONE)
 		fprintf(stdout, "Successfully unloaded bpf_testmod.ko.\n");
-- 
2.24.1




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