diff options
Diffstat (limited to 'drivers/media/common/videobuf2/videobuf2-v4l2.c')
| -rw-r--r-- | drivers/media/common/videobuf2/videobuf2-v4l2.c | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/drivers/media/common/videobuf2/videobuf2-v4l2.c b/drivers/media/common/videobuf2/videobuf2-v4l2.c index 9201d854dbcc..83862d57b126 100644 --- a/drivers/media/common/videobuf2/videobuf2-v4l2.c +++ b/drivers/media/common/videobuf2/videobuf2-v4l2.c @@ -903,6 +903,11 @@ EXPORT_SYMBOL_GPL(vb2_expbuf); int vb2_queue_init_name(struct vb2_queue *q, const char *name) { + /* vb2_memory should match with v4l2_memory */ + BUILD_BUG_ON(VB2_MEMORY_MMAP != (int)V4L2_MEMORY_MMAP); + BUILD_BUG_ON(VB2_MEMORY_USERPTR != (int)V4L2_MEMORY_USERPTR); + BUILD_BUG_ON(VB2_MEMORY_DMABUF != (int)V4L2_MEMORY_DMABUF); + /* * Sanity check */ @@ -916,12 +921,6 @@ int vb2_queue_init_name(struct vb2_queue *q, const char *name) WARN_ON((q->timestamp_flags & V4L2_BUF_FLAG_TIMESTAMP_MASK) == V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN); - /* Warn that vb2_memory should match with v4l2_memory */ - if (WARN_ON(VB2_MEMORY_MMAP != (int)V4L2_MEMORY_MMAP) - || WARN_ON(VB2_MEMORY_USERPTR != (int)V4L2_MEMORY_USERPTR) - || WARN_ON(VB2_MEMORY_DMABUF != (int)V4L2_MEMORY_DMABUF)) - return -EINVAL; - if (q->buf_struct_size == 0) q->buf_struct_size = sizeof(struct vb2_v4l2_buffer); @@ -974,18 +973,14 @@ EXPORT_SYMBOL_GPL(vb2_queue_change_type); __poll_t vb2_poll(struct vb2_queue *q, struct file *file, poll_table *wait) { - struct video_device *vfd = video_devdata(file); + struct v4l2_fh *fh = file_to_v4l2_fh(file); __poll_t res; res = vb2_core_poll(q, file, wait); - if (test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags)) { - struct v4l2_fh *fh = file->private_data; - - poll_wait(file, &fh->wait, wait); - if (v4l2_event_pending(fh)) - res |= EPOLLPRI; - } + poll_wait(file, &fh->wait, wait); + if (v4l2_event_pending(fh)) + res |= EPOLLPRI; return res; } @@ -1015,6 +1010,11 @@ int vb2_ioctl_remove_bufs(struct file *file, void *priv, if (vb2_queue_is_busy(vdev->queue, file)) return -EBUSY; + if (vb2_fileio_is_active(vdev->queue)) { + dprintk(vdev->queue, 1, "file io in progress\n"); + return -EBUSY; + } + return vb2_core_remove_bufs(vdev->queue, d->index, d->count); } EXPORT_SYMBOL_GPL(vb2_ioctl_remove_bufs); |
