diff options
| author | Philipp Zabel <[email protected]> | 2013-09-19 04:37:29 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <[email protected]> | 2013-10-17 10:53:21 -0300 |
| commit | dc77523c5da5513df1bbc74db2a522a94f4cec0e (patch) | |
| tree | 939bb39d84748d5b5415e942c775352a975a3387 | |
| parent | 8ca5d2d8e58df7235b77ed435e63c484e123fede (diff) | |
[media] videobuf2-core: call __setup_offsets only for mmap memory type
__setup_offsets fills the v4l2_planes' mem_offset fields, which is only valid
for V4L2_MEMORY_MMAP type buffers. For V4L2_MEMORY_DMABUF and _USERPTR buffers,
this incorrectly overwrites the fd and userptr fields.
Reported-by: Michael Olbrich <[email protected]>
Signed-off-by: Philipp Zabel <[email protected]>
Acked-by: Marek Szyprowski <[email protected]>
Acked-by: Pawel Osciak <[email protected]>
Acked-by: Hans Verkuil <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
| -rw-r--r-- | drivers/media/v4l2-core/videobuf2-core.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c index fc8af507beac..91412d463ba0 100644 --- a/drivers/media/v4l2-core/videobuf2-core.c +++ b/drivers/media/v4l2-core/videobuf2-core.c @@ -241,7 +241,8 @@ static int __vb2_queue_alloc(struct vb2_queue *q, enum v4l2_memory memory, q->bufs[q->num_buffers + buffer] = vb; } - __setup_offsets(q, buffer); + if (memory == V4L2_MEMORY_MMAP) + __setup_offsets(q, buffer); dprintk(1, "Allocated %d buffers, %d plane(s) each\n", buffer, num_planes); |