__qbuf_userptr checks whether provided buffer is large enough, and
it returns error without any log.
Signed-off-by: Seung-Woo Kim <sw0312.kim@xxxxxxxxxxx>
Signed-off-by: Heejin Woo <heejin.woo@xxxxxxxxxxx>
---
drivers/media/v4l2-core/videobuf2-core.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c
index 9fc4bab..96827e8 100644
--- a/drivers/media/v4l2-core/videobuf2-core.c
+++ b/drivers/media/v4l2-core/videobuf2-core.c
@@ -978,6 +978,10 @@ static int __qbuf_userptr(struct vb2_buffer *vb, const struct v4l2_buffer *b)
/* Check if the provided plane buffer is large enough */
if (planes[plane].length < q->plane_sizes[plane]) {
+ dprintk(1, "qbuf: provided buffer size %u is less than "
+ "setup size %u for plane %d\n",
+ planes[plane].length,
+ q->plane_sizes[plane], plane);
ret = -EINVAL;
goto err;
}
--
1.7.4.1
--
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