diff options
Diffstat (limited to 'drivers/media/v4l2-core')
| -rw-r--r-- | drivers/media/v4l2-core/videobuf2-core.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c index 5b808e25fc09..7e6aff673a5a 100644 --- a/drivers/media/v4l2-core/videobuf2-core.c +++ b/drivers/media/v4l2-core/videobuf2-core.c @@ -2955,6 +2955,12 @@ static size_t __vb2_perform_fileio(struct vb2_queue *q, char __user *data, size_ buf->queued = 0; buf->size = read ? vb2_get_plane_payload(q->bufs[index], 0) : vb2_plane_size(q->bufs[index], 0); + /* Compensate for data_offset on read in the multiplanar case. */ + if (is_multiplanar && read && + fileio->b.m.planes[0].data_offset < buf->size) { + buf->pos = fileio->b.m.planes[0].data_offset; + buf->size -= buf->pos; + } } else { buf = &fileio->bufs[index]; } |