diff options
Diffstat (limited to 'drivers/media/v4l2-core')
| -rw-r--r-- | drivers/media/v4l2-core/videobuf2-v4l2.c | 39 |
1 files changed, 17 insertions, 22 deletions
diff --git a/drivers/media/v4l2-core/videobuf2-v4l2.c b/drivers/media/v4l2-core/videobuf2-v4l2.c index 6d14df3d615d..7dff2b688a9f 100644 --- a/drivers/media/v4l2-core/videobuf2-v4l2.c +++ b/drivers/media/v4l2-core/videobuf2-v4l2.c @@ -621,27 +621,6 @@ int vb2_qbuf(struct vb2_queue *q, struct v4l2_buffer *b) } EXPORT_SYMBOL_GPL(vb2_qbuf); -static int vb2_internal_dqbuf(struct vb2_queue *q, struct v4l2_buffer *b, - bool nonblocking) -{ - int ret; - - if (b->type != q->type) { - dprintk(1, "invalid buffer type\n"); - return -EINVAL; - } - - ret = vb2_core_dqbuf(q, NULL, b, nonblocking); - - /* - * After calling the VIDIOC_DQBUF V4L2_BUF_FLAG_DONE must be - * cleared. - */ - b->flags &= ~V4L2_BUF_FLAG_DONE; - - return ret; -} - /** * vb2_dqbuf() - Dequeue a buffer to the userspace * @q: videobuf2 queue @@ -665,11 +644,27 @@ static int vb2_internal_dqbuf(struct vb2_queue *q, struct v4l2_buffer *b, */ int vb2_dqbuf(struct vb2_queue *q, struct v4l2_buffer *b, bool nonblocking) { + int ret; + if (vb2_fileio_is_active(q)) { dprintk(1, "file io in progress\n"); return -EBUSY; } - return vb2_internal_dqbuf(q, b, nonblocking); + + if (b->type != q->type) { + dprintk(1, "invalid buffer type\n"); + return -EINVAL; + } + + ret = vb2_core_dqbuf(q, NULL, b, nonblocking); + + /* + * After calling the VIDIOC_DQBUF V4L2_BUF_FLAG_DONE must be + * cleared. + */ + b->flags &= ~V4L2_BUF_FLAG_DONE; + + return ret; } EXPORT_SYMBOL_GPL(vb2_dqbuf); |