[PATCH i-g-t 2/2] pipe_crc: Make collect_crc() ensure the CRC looks somewhat valid

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Signed-off-by: Damien Lespiau <damien.lespiau@xxxxxxxxx>
---
 lib/igt_debugfs.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/igt_debugfs.c b/lib/igt_debugfs.c
index 5c4bbc5..d4a6cf6 100644
--- a/lib/igt_debugfs.c
+++ b/lib/igt_debugfs.c
@@ -527,6 +527,8 @@ void igt_pipe_crc_collect_crc(igt_pipe_crc_t *pipe_crc, igt_crc_t *out_crc)
 	igt_pipe_crc_start(pipe_crc);
 	read_one_crc(pipe_crc, out_crc);
 	igt_pipe_crc_stop(pipe_crc);
+
+	igt_assert(!igt_crc_is_null(out_crc));
 }
 
 /*
-- 
1.8.3.1

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