diff options
Diffstat (limited to 'drivers/media/video/videobuf2-core.c')
| -rw-r--r-- | drivers/media/video/videobuf2-core.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/media/video/videobuf2-core.c b/drivers/media/video/videobuf2-core.c index c5f99c7d3979..2baf7dbdc01d 100644 --- a/drivers/media/video/videobuf2-core.c +++ b/drivers/media/video/videobuf2-core.c @@ -488,6 +488,13 @@ int vb2_reqbufs(struct vb2_queue *q, struct v4l2_requestbuffers *req) return -EINVAL; } + /* + * If the same number of buffers and memory access method is requested + * then return immediately. + */ + if (q->memory == req->memory && req->count == q->num_buffers) + return 0; + if (req->count == 0 || q->num_buffers != 0 || q->memory != req->memory) { /* * We already have buffers allocated, so first check if they |
