diff options
author | Jacob Chen <jacob2.chen@rock-chips.com> | 2017-09-21 19:09:21 +0800 |
---|---|---|
committer | Jacob Chen <jacob2.chen@rock-chips.com> | 2017-09-21 19:10:12 +0800 |
commit | 5ab215ee7f902201d4830b0b9536135143666b42 (patch) | |
tree | c46f558db5c89def501557ae56b7413bf0deb9ec | |
parent | 1750e8d84eaaec9a2912b8d822d777255daaddee (diff) |
media: videobuf2: quick fix for dmabuf typerelease-20171015
It's a bug in 4.4 kernel
Change-Id: I38807830d1a4289af65ebaed9c9ab179d2328827
Signed-off-by: Jacob Chen <jacob2.chen@rock-chips.com>
-rw-r--r-- | drivers/media/v4l2-core/videobuf2-v4l2.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/media/v4l2-core/videobuf2-v4l2.c b/drivers/media/v4l2-core/videobuf2-v4l2.c index 9632f378a4ad..82d2ca6308d4 100644 --- a/drivers/media/v4l2-core/videobuf2-v4l2.c +++ b/drivers/media/v4l2-core/videobuf2-v4l2.c @@ -105,6 +105,9 @@ static int __verify_length(struct vb2_buffer *vb, const struct v4l2_buffer *b) length = (b->memory == VB2_MEMORY_USERPTR) ? b->length : vb->planes[0].length; + if (b->memory == VB2_MEMORY_DMABUF) + return 0; + if (b->bytesused > length) return -EINVAL; } |