selftests/bpf: Fix memory leak in test_ima

[ Upstream commit efadf2ad17 ]

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

Fixes: f446b570ac ("bpf/selftests: Update the IMA test to use BPF ring buffer")
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Song Liu <songliubraving@fb.com>
Link: https://lore.kernel.org/bpf/20211028063501.2239335-9-memxor@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Kumar Kartikeya Dwivedi 2021-10-28 12:05:01 +05:30 committed by Greg Kroah-Hartman
parent 844134cd09
commit 4c51fa32f6

View file

@ -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);
}