[linuxtv-media:master 3288/3327] drivers/media/common/videobuf/videobuf2-v4l2.c:678: undefined reference to `video_devdata'

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tree:   git://linuxtv.org/media_tree.git master
head:   d0c8f6ad8b381dd572576ac50b9696d4d31142bb
commit: 03fbdb2fc2b8bb27b0ee0534fd3e9c57cdc3854a [3288/3327] media: move videobuf2 to drivers/media/common
config: x86_64-randconfig-s4-12300216 (attached as .config)
compiler: gcc-7 (Debian 7.2.0-12) 7.2.1 20171025
reproduce:
        git checkout 03fbdb2fc2b8bb27b0ee0534fd3e9c57cdc3854a
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   drivers/media/common/videobuf/videobuf2-v4l2.o: In function `vb2_poll':
>> drivers/media/common/videobuf/videobuf2-v4l2.c:678: undefined reference to `video_devdata'
>> drivers/media/common/videobuf/videobuf2-v4l2.c:685: undefined reference to `v4l2_event_pending'
   drivers/media/common/videobuf/videobuf2-v4l2.o: In function `vb2_ioctl_reqbufs':
   drivers/media/common/videobuf/videobuf2-v4l2.c:714: undefined reference to `video_devdata'
   drivers/media/common/videobuf/videobuf2-v4l2.o: In function `vb2_ioctl_create_bufs':
   drivers/media/common/videobuf/videobuf2-v4l2.c:733: undefined reference to `video_devdata'
   drivers/media/common/videobuf/videobuf2-v4l2.o: In function `vb2_ioctl_prepare_buf':
   drivers/media/common/videobuf/videobuf2-v4l2.c:759: undefined reference to `video_devdata'
   drivers/media/common/videobuf/videobuf2-v4l2.o: In function `vb2_ioctl_querybuf':
   drivers/media/common/videobuf/videobuf2-v4l2.c:769: undefined reference to `video_devdata'
   drivers/media/common/videobuf/videobuf2-v4l2.o: In function `vb2_ioctl_qbuf':
   drivers/media/common/videobuf/videobuf2-v4l2.c:778: undefined reference to `video_devdata'
   drivers/media/common/videobuf/videobuf2-v4l2.o:drivers/media/common/videobuf/videobuf2-v4l2.c:788: more undefined references to `video_devdata' follow
   drivers/media/common/videobuf/videobuf2-v4l2.o: In function `_vb2_fop_release':
>> drivers/media/common/videobuf/videobuf2-v4l2.c:848: undefined reference to `v4l2_fh_release'
   drivers/media/common/videobuf/videobuf2-v4l2.o: In function `vb2_fop_release':
   drivers/media/common/videobuf/videobuf2-v4l2.c:854: undefined reference to `video_devdata'
   drivers/media/common/videobuf/videobuf2-v4l2.o: In function `vb2_fop_write':
   drivers/media/common/videobuf/videobuf2-v4l2.c:864: undefined reference to `video_devdata'
   drivers/media/common/videobuf/videobuf2-v4l2.o: In function `vb2_fop_read':
   drivers/media/common/videobuf/videobuf2-v4l2.c:888: undefined reference to `video_devdata'
   drivers/media/common/videobuf/videobuf2-v4l2.o: In function `vb2_fop_poll':
   drivers/media/common/videobuf/videobuf2-v4l2.c:911: undefined reference to `video_devdata'

vim +678 drivers/media/common/videobuf/videobuf2-v4l2.c

3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  675  
49d8ab9f drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-11-03  676  unsigned int vb2_poll(struct vb2_queue *q, struct file *file, poll_table *wait)
49d8ab9f drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-11-03  677  {
49d8ab9f drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-11-03 @678  	struct video_device *vfd = video_devdata(file);
49d8ab9f drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-11-03  679  	unsigned long req_events = poll_requested_events(wait);
49d8ab9f drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-11-03  680  	unsigned int res = 0;
49d8ab9f drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-11-03  681  
49d8ab9f drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-11-03  682  	if (test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags)) {
49d8ab9f drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-11-03  683  		struct v4l2_fh *fh = file->private_data;
49d8ab9f drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-11-03  684  
49d8ab9f drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-11-03 @685  		if (v4l2_event_pending(fh))
49d8ab9f drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-11-03  686  			res = POLLPRI;
49d8ab9f drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-11-03  687  		else if (req_events & POLLPRI)
49d8ab9f drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-11-03  688  			poll_wait(file, &fh->wait, wait);
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  689  	}
49d8ab9f drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-11-03  690  
49d8ab9f drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-11-03  691  	return res | vb2_core_poll(q, file, wait);
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  692  }
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  693  EXPORT_SYMBOL_GPL(vb2_poll);
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  694  
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  695  /*
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  696   * The following functions are not part of the vb2 core API, but are helper
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  697   * functions that plug into struct v4l2_ioctl_ops, struct v4l2_file_operations
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  698   * and struct vb2_ops.
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  699   * They contain boilerplate code that most if not all drivers have to do
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  700   * and so they simplify the driver code.
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  701   */
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  702  
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  703  /* The queue is busy if there is a owner and you are not that owner. */
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  704  static inline bool vb2_queue_is_busy(struct video_device *vdev, struct file *file)
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  705  {
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  706  	return vdev->queue->owner && vdev->queue->owner != file->private_data;
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  707  }
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  708  
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  709  /* vb2 ioctl helpers */
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  710  
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  711  int vb2_ioctl_reqbufs(struct file *file, void *priv,
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  712  			  struct v4l2_requestbuffers *p)
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  713  {
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  714  	struct video_device *vdev = video_devdata(file);
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  715  	int res = vb2_verify_memory_type(vdev->queue, p->memory, p->type);
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  716  
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  717  	if (res)
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  718  		return res;
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  719  	if (vb2_queue_is_busy(vdev, file))
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  720  		return -EBUSY;
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  721  	res = vb2_core_reqbufs(vdev->queue, p->memory, &p->count);
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  722  	/* If count == 0, then the owner has released all buffers and he
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  723  	   is no longer owner of the queue. Otherwise we have a new owner. */
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  724  	if (res == 0)
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  725  		vdev->queue->owner = p->count ? file->private_data : NULL;
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  726  	return res;
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  727  }
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  728  EXPORT_SYMBOL_GPL(vb2_ioctl_reqbufs);
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  729  
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  730  int vb2_ioctl_create_bufs(struct file *file, void *priv,
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  731  			  struct v4l2_create_buffers *p)
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  732  {
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06 @733  	struct video_device *vdev = video_devdata(file);
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  734  	int res = vb2_verify_memory_type(vdev->queue, p->memory,
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  735  			p->format.type);
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  736  
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  737  	p->index = vdev->queue->num_buffers;
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  738  	/*
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  739  	 * If count == 0, then just check if memory and type are valid.
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  740  	 * Any -EBUSY result from vb2_verify_memory_type can be mapped to 0.
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  741  	 */
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  742  	if (p->count == 0)
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  743  		return res != -EBUSY ? res : 0;
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  744  	if (res)
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  745  		return res;
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  746  	if (vb2_queue_is_busy(vdev, file))
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  747  		return -EBUSY;
df9ecb0c drivers/media/v4l2-core/videobuf2-v4l2.c Hans Verkuil 2015-10-28  748  
df9ecb0c drivers/media/v4l2-core/videobuf2-v4l2.c Hans Verkuil 2015-10-28  749  	res = vb2_create_bufs(vdev->queue, p);
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  750  	if (res == 0)
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  751  		vdev->queue->owner = file->private_data;
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  752  	return res;
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  753  }
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  754  EXPORT_SYMBOL_GPL(vb2_ioctl_create_bufs);
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  755  
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  756  int vb2_ioctl_prepare_buf(struct file *file, void *priv,
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  757  			  struct v4l2_buffer *p)
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  758  {
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  759  	struct video_device *vdev = video_devdata(file);
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  760  
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  761  	if (vb2_queue_is_busy(vdev, file))
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  762  		return -EBUSY;
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  763  	return vb2_prepare_buf(vdev->queue, p);
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  764  }
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  765  EXPORT_SYMBOL_GPL(vb2_ioctl_prepare_buf);
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  766  
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  767  int vb2_ioctl_querybuf(struct file *file, void *priv, struct v4l2_buffer *p)
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  768  {
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  769  	struct video_device *vdev = video_devdata(file);
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  770  
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  771  	/* No need to call vb2_queue_is_busy(), anyone can query buffers. */
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  772  	return vb2_querybuf(vdev->queue, p);
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  773  }
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  774  EXPORT_SYMBOL_GPL(vb2_ioctl_querybuf);
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  775  
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  776  int vb2_ioctl_qbuf(struct file *file, void *priv, struct v4l2_buffer *p)
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  777  {
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  778  	struct video_device *vdev = video_devdata(file);
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  779  
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  780  	if (vb2_queue_is_busy(vdev, file))
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  781  		return -EBUSY;
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  782  	return vb2_qbuf(vdev->queue, p);
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  783  }
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  784  EXPORT_SYMBOL_GPL(vb2_ioctl_qbuf);
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  785  
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  786  int vb2_ioctl_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  787  {
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  788  	struct video_device *vdev = video_devdata(file);
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  789  
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  790  	if (vb2_queue_is_busy(vdev, file))
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  791  		return -EBUSY;
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  792  	return vb2_dqbuf(vdev->queue, p, file->f_flags & O_NONBLOCK);
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  793  }
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  794  EXPORT_SYMBOL_GPL(vb2_ioctl_dqbuf);
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  795  
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  796  int vb2_ioctl_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  797  {
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  798  	struct video_device *vdev = video_devdata(file);
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  799  
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  800  	if (vb2_queue_is_busy(vdev, file))
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  801  		return -EBUSY;
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  802  	return vb2_streamon(vdev->queue, i);
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  803  }
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  804  EXPORT_SYMBOL_GPL(vb2_ioctl_streamon);
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  805  
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  806  int vb2_ioctl_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  807  {
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  808  	struct video_device *vdev = video_devdata(file);
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  809  
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  810  	if (vb2_queue_is_busy(vdev, file))
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  811  		return -EBUSY;
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  812  	return vb2_streamoff(vdev->queue, i);
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  813  }
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  814  EXPORT_SYMBOL_GPL(vb2_ioctl_streamoff);
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  815  
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  816  int vb2_ioctl_expbuf(struct file *file, void *priv, struct v4l2_exportbuffer *p)
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  817  {
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  818  	struct video_device *vdev = video_devdata(file);
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  819  
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  820  	if (vb2_queue_is_busy(vdev, file))
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  821  		return -EBUSY;
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  822  	return vb2_expbuf(vdev->queue, p);
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  823  }
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  824  EXPORT_SYMBOL_GPL(vb2_ioctl_expbuf);
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  825  
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  826  /* v4l2_file_operations helpers */
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  827  
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  828  int vb2_fop_mmap(struct file *file, struct vm_area_struct *vma)
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  829  {
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  830  	struct video_device *vdev = video_devdata(file);
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  831  
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  832  	return vb2_mmap(vdev->queue, vma);
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  833  }
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  834  EXPORT_SYMBOL_GPL(vb2_fop_mmap);
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  835  
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  836  int _vb2_fop_release(struct file *file, struct mutex *lock)
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  837  {
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  838  	struct video_device *vdev = video_devdata(file);
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  839  
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  840  	if (lock)
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  841  		mutex_lock(lock);
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  842  	if (file->private_data == vdev->queue->owner) {
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  843  		vb2_queue_release(vdev->queue);
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  844  		vdev->queue->owner = NULL;
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  845  	}
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  846  	if (lock)
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  847  		mutex_unlock(lock);
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06 @848  	return v4l2_fh_release(file);
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  849  }
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  850  EXPORT_SYMBOL_GPL(_vb2_fop_release);
3c5be988 drivers/media/v4l2-core/videobuf2-v4l2.c Junghak Sung 2015-10-06  851  

:::::: The code at line 678 was first introduced by commit
:::::: 49d8ab9feaf20e7247edfdb36ce9ffa8db6b5f19 [media] media: videobuf2: Separate vb2_poll()

:::::: TO: Junghak Sung <jh1009.sung@xxxxxxxxxxx>
:::::: CC: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxx>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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