diff options
Diffstat (limited to 'drivers/media/video/vivi.c')
-rw-r--r-- | drivers/media/video/vivi.c | 27 |
1 files changed, 9 insertions, 18 deletions
diff --git a/drivers/media/video/vivi.c b/drivers/media/video/vivi.c index 61a6608d6e61..b532aa280a1b 100644 --- a/drivers/media/video/vivi.c +++ b/drivers/media/video/vivi.c @@ -507,7 +507,6 @@ static void vivi_stop_thread(struct vivi_dmaqueue *dma_q) static int restart_video_queue(struct vivi_dmaqueue *dma_q) { struct vivi_buffer *buf, *prev; - struct list_head *item; dprintk(1,"%s dma_q=0x%08lx\n",__FUNCTION__,(unsigned long)dma_q); @@ -521,9 +520,7 @@ static int restart_video_queue(struct vivi_dmaqueue *dma_q) // vivi_start_thread(dma_q); /* cancel all outstanding capture / vbi requests */ - list_for_each(item,&dma_q->active) { - buf = list_entry(item, struct vivi_buffer, vb.queue); - + list_for_each_entry_safe(buf, prev, &dma_q->active, vb.queue) { list_del(&buf->vb.queue); buf->vb.state = STATE_ERROR; wake_up(&buf->vb.done); @@ -982,31 +979,25 @@ static int vidioc_s_ctrl (struct file *file, void *priv, static int vivi_open(struct inode *inode, struct file *file) { int minor = iminor(inode); - struct vivi_dev *h,*dev = NULL; + struct vivi_dev *dev; struct vivi_fh *fh; - struct list_head *list; - enum v4l2_buf_type type = 0; int i; printk(KERN_DEBUG "vivi: open called (minor=%d)\n",minor); - list_for_each(list,&vivi_devlist) { - h = list_entry(list, struct vivi_dev, vivi_devlist); - if (h->vfd.minor == minor) { - dev = h; - type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - } - } - if (NULL == dev) - return -ENODEV; + list_for_each_entry(dev, &vivi_devlist, vivi_devlist) + if (dev->vfd.minor == minor) + goto found; + return -ENODEV; +found: /* If more than one user, mutex should be added */ dev->users++; - dprintk(1,"open minor=%d type=%s users=%d\n", - minor,v4l2_type_names[type],dev->users); + dprintk(1, "open minor=%d type=%s users=%d\n", minor, + v4l2_type_names[V4L2_BUF_TYPE_VIDEO_CAPTURE], dev->users); /* allocate + initialize per filehandle data */ fh = kzalloc(sizeof(*fh),GFP_KERNEL); |