657 	struct stk_sio_buffer *sbuf;  in stk_read()  local
696 	sbuf = list_first_entry(&dev->sio_full, struct stk_sio_buffer, list);  in stk_read()
699 	if (copy_to_user(buf, sbuf->buffer + *f_pos, count))  in stk_read()
707 		list_move_tail(&sbuf->list, &dev->sio_avail);  in stk_read()
745 	struct stk_sio_buffer *sbuf = vma->vm_private_data;  in stk_v4l_vm_open()  local
746 	sbuf->mapcount++;  in stk_v4l_vm_open()
750 	struct stk_sio_buffer *sbuf = vma->vm_private_data;  in stk_v4l_vm_close()  local
751 	sbuf->mapcount--;  in stk_v4l_vm_close()
752 	if (sbuf->mapcount == 0)  in stk_v4l_vm_close()
753 		sbuf->v4lbuf.flags &= ~V4L2_BUF_FLAG_MAPPED;  in stk_v4l_vm_close()
766 	struct stk_sio_buffer *sbuf = NULL;  in v4l_stk_mmap()  local
773 			sbuf = dev->sio_bufs + i;  in v4l_stk_mmap()
777 	if (sbuf == NULL)  in v4l_stk_mmap()
779 	ret = remap_vmalloc_range(vma, sbuf->buffer, 0);  in v4l_stk_mmap()
783 	vma->vm_private_data = sbuf;  in v4l_stk_mmap()
785 	sbuf->v4lbuf.flags |= V4L2_BUF_FLAG_MAPPED;  in v4l_stk_mmap()
1068 	struct stk_sio_buffer *sbuf;  in stk_vidioc_querybuf()  local
1072 	sbuf = dev->sio_bufs + buf->index;  in stk_vidioc_querybuf()
1073 	*buf = sbuf->v4lbuf;  in stk_vidioc_querybuf()
1081 	struct stk_sio_buffer *sbuf;  in stk_vidioc_qbuf()  local
1089 	sbuf = dev->sio_bufs + buf->index;  in stk_vidioc_qbuf()
1090 	if (sbuf->v4lbuf.flags & V4L2_BUF_FLAG_QUEUED)  in stk_vidioc_qbuf()
1092 	sbuf->v4lbuf.flags |= V4L2_BUF_FLAG_QUEUED;  in stk_vidioc_qbuf()
1093 	sbuf->v4lbuf.flags &= ~V4L2_BUF_FLAG_DONE;  in stk_vidioc_qbuf()
1095 	list_add_tail(&sbuf->list, &dev->sio_avail);  in stk_vidioc_qbuf()
1096 	*buf = sbuf->v4lbuf;  in stk_vidioc_qbuf()
1105 	struct stk_sio_buffer *sbuf;  in stk_vidioc_dqbuf()  local
1122 	sbuf = list_first_entry(&dev->sio_full, struct stk_sio_buffer, list);  in stk_vidioc_dqbuf()
1123 	list_del_init(&sbuf->list);  in stk_vidioc_dqbuf()
1125 	sbuf->v4lbuf.flags &= ~V4L2_BUF_FLAG_QUEUED;  in stk_vidioc_dqbuf()
1126 	sbuf->v4lbuf.flags |= V4L2_BUF_FLAG_DONE;  in stk_vidioc_dqbuf()
1127 	sbuf->v4lbuf.sequence = ++dev->sequence;  in stk_vidioc_dqbuf()
1128 	v4l2_buffer_set_timestamp(&sbuf->v4lbuf, ktime_get_ns());  in stk_vidioc_dqbuf()
1130 	*buf = sbuf->v4lbuf;  in stk_vidioc_dqbuf()