Explicitly compare a buffer type only with valid buffer types,
to avoid matching the buffer type outside of valid buffer
type set.
Signed-off-by: Nas Chung <nas.chung@xxxxxxxxxxxxxxx>
---
include/uapi/linux/videodev2.h | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index fe6b67e83751..fa2b7086e480 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -157,6 +157,10 @@ enum v4l2_buf_type {
V4L2_BUF_TYPE_PRIVATE = 0x80,
};
+#define V4L2_TYPE_IS_VALID(type) \
+ ((type) >= V4L2_BUF_TYPE_VIDEO_CAPTURE \
+ && (type) <= V4L2_BUF_TYPE_META_OUTPUT)
+
#define V4L2_TYPE_IS_MULTIPLANAR(type) \
((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \
|| (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
@@ -171,7 +175,8 @@ enum v4l2_buf_type {
|| (type) == V4L2_BUF_TYPE_SDR_OUTPUT \
|| (type) == V4L2_BUF_TYPE_META_OUTPUT)
-#define V4L2_TYPE_IS_CAPTURE(type) (!V4L2_TYPE_IS_OUTPUT(type))
+#define V4L2_TYPE_IS_CAPTURE(type) \
+ (V4L2_TYPE_IS_VALID(type) && !V4L2_TYPE_IS_OUTPUT(type))
enum v4l2_tuner_type {
V4L2_TUNER_RADIO = 1,
--
2.25.1
