[PATCH bpf-next v1 6/6] bpf: selftests: Fix memory leak in test_ima

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The allocated ring buffer is never freed, do so in the cleanup path.

Fixes: f446b570ac7e (bpf/selftests: Update the IMA test to use BPF ring buffer)
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@xxxxxxxxx>
---
 tools/testing/selftests/bpf/prog_tests/test_ima.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/bpf/prog_tests/test_ima.c b/tools/testing/selftests/bpf/prog_tests/test_ima.c
index 0252f61d611a..97d8a6f84f4a 100644
--- a/tools/testing/selftests/bpf/prog_tests/test_ima.c
+++ b/tools/testing/selftests/bpf/prog_tests/test_ima.c
@@ -43,7 +43,7 @@ static int process_sample(void *ctx, void *data, size_t len)
 void test_test_ima(void)
 {
 	char measured_dir_template[] = "/tmp/ima_measuredXXXXXX";
-	struct ring_buffer *ringbuf;
+	struct ring_buffer *ringbuf = NULL;
 	const char *measured_dir;
 	char cmd[256];
 
@@ -85,5 +85,6 @@ void test_test_ima(void)
 	err = system(cmd);
 	CHECK(err, "failed to run command", "%s, errno = %d\n", cmd, errno);
 close_prog:
+	ring_buffer__free(ringbuf);
 	ima__destroy(skel);
 }
-- 
2.33.0




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