diff options
Diffstat (limited to 'drivers/media/common/videobuf2/videobuf2-v4l2.c')
| -rw-r--r-- | drivers/media/common/videobuf2/videobuf2-v4l2.c | 26 |
1 files changed, 10 insertions, 16 deletions
diff --git a/drivers/media/common/videobuf2/videobuf2-v4l2.c b/drivers/media/common/videobuf2/videobuf2-v4l2.c index 6edf4508c636..075d24ebf44c 100644 --- a/drivers/media/common/videobuf2/videobuf2-v4l2.c +++ b/drivers/media/common/videobuf2/videobuf2-v4l2.c @@ -977,12 +977,6 @@ EXPORT_SYMBOL_GPL(vb2_poll); * and so they simplify the driver code. */ -/* The queue is busy if there is a owner and you are not that owner. */ -static inline bool vb2_queue_is_busy(struct video_device *vdev, struct file *file) -{ - return vdev->queue->owner && vdev->queue->owner != file->private_data; -} - /* vb2 ioctl helpers */ int vb2_ioctl_reqbufs(struct file *file, void *priv, @@ -997,7 +991,7 @@ int vb2_ioctl_reqbufs(struct file *file, void *priv, p->flags = flags; if (res) return res; - if (vb2_queue_is_busy(vdev, file)) + if (vb2_queue_is_busy(vdev->queue, file)) return -EBUSY; res = vb2_core_reqbufs(vdev->queue, p->memory, p->flags, &p->count); /* If count == 0, then the owner has released all buffers and he @@ -1026,7 +1020,7 @@ int vb2_ioctl_create_bufs(struct file *file, void *priv, return res != -EBUSY ? res : 0; if (res) return res; - if (vb2_queue_is_busy(vdev, file)) + if (vb2_queue_is_busy(vdev->queue, file)) return -EBUSY; res = vb2_create_bufs(vdev->queue, p); @@ -1041,7 +1035,7 @@ int vb2_ioctl_prepare_buf(struct file *file, void *priv, { struct video_device *vdev = video_devdata(file); - if (vb2_queue_is_busy(vdev, file)) + if (vb2_queue_is_busy(vdev->queue, file)) return -EBUSY; return vb2_prepare_buf(vdev->queue, vdev->v4l2_dev->mdev, p); } @@ -1060,7 +1054,7 @@ int vb2_ioctl_qbuf(struct file *file, void *priv, struct v4l2_buffer *p) { struct video_device *vdev = video_devdata(file); - if (vb2_queue_is_busy(vdev, file)) + if (vb2_queue_is_busy(vdev->queue, file)) return -EBUSY; return vb2_qbuf(vdev->queue, vdev->v4l2_dev->mdev, p); } @@ -1070,7 +1064,7 @@ int vb2_ioctl_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p) { struct video_device *vdev = video_devdata(file); - if (vb2_queue_is_busy(vdev, file)) + if (vb2_queue_is_busy(vdev->queue, file)) return -EBUSY; return vb2_dqbuf(vdev->queue, p, file->f_flags & O_NONBLOCK); } @@ -1080,7 +1074,7 @@ int vb2_ioctl_streamon(struct file *file, void *priv, enum v4l2_buf_type i) { struct video_device *vdev = video_devdata(file); - if (vb2_queue_is_busy(vdev, file)) + if (vb2_queue_is_busy(vdev->queue, file)) return -EBUSY; return vb2_streamon(vdev->queue, i); } @@ -1090,7 +1084,7 @@ int vb2_ioctl_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) { struct video_device *vdev = video_devdata(file); - if (vb2_queue_is_busy(vdev, file)) + if (vb2_queue_is_busy(vdev->queue, file)) return -EBUSY; return vb2_streamoff(vdev->queue, i); } @@ -1100,7 +1094,7 @@ int vb2_ioctl_expbuf(struct file *file, void *priv, struct v4l2_exportbuffer *p) { struct video_device *vdev = video_devdata(file); - if (vb2_queue_is_busy(vdev, file)) + if (vb2_queue_is_busy(vdev->queue, file)) return -EBUSY; return vb2_expbuf(vdev->queue, p); } @@ -1152,7 +1146,7 @@ ssize_t vb2_fop_write(struct file *file, const char __user *buf, return -EINVAL; if (lock && mutex_lock_interruptible(lock)) return -ERESTARTSYS; - if (vb2_queue_is_busy(vdev, file)) + if (vb2_queue_is_busy(vdev->queue, file)) goto exit; err = vb2_write(vdev->queue, buf, count, ppos, file->f_flags & O_NONBLOCK); @@ -1176,7 +1170,7 @@ ssize_t vb2_fop_read(struct file *file, char __user *buf, return -EINVAL; if (lock && mutex_lock_interruptible(lock)) return -ERESTARTSYS; - if (vb2_queue_is_busy(vdev, file)) + if (vb2_queue_is_busy(vdev->queue, file)) goto exit; err = vb2_read(vdev->queue, buf, count, ppos, file->f_flags & O_NONBLOCK); |