Some of the MPEG4 standards allows negative timestamps. Correct
tv_usec cast to s32.
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@xxxxxxxxxx>
---
include/media/v4l2-common.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/media/v4l2-common.h b/include/media/v4l2-common.h
index 3eb202259e8c..1ed61416003a 100644
--- a/include/media/v4l2-common.h
+++ b/include/media/v4l2-common.h
@@ -544,11 +544,11 @@ static inline u64 v4l2_buffer_get_timestamp(const struct v4l2_buffer *buf)
{
/*
* When the timestamp comes from 32-bit user space, there may be
- * uninitialized data in tv_usec, so cast it to u32.
+ * uninitialized data in tv_usec, so cast it to s32.
* Otherwise allow invalid input for backwards compatibility.
*/
return buf->timestamp.tv_sec * NSEC_PER_SEC +
- (u32)buf->timestamp.tv_usec * NSEC_PER_USEC;
+ (s32)buf->timestamp.tv_usec * NSEC_PER_USEC;
}
static inline void v4l2_buffer_set_timestamp(struct v4l2_buffer *buf,
--
2.25.1
