On 09/19/2013 09:37 AM, Philipp Zabel wrote: > __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 <m.olbrich@xxxxxxxxxxxxxx> > Signed-off-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx> Acked-by: Hans Verkuil <hans.verkuil@xxxxxxxxx> Regards, Hans > --- > drivers/media/v4l2-core/videobuf2-core.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c > index 9c865da..95a798e 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); > -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
