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path: root/drivers/media/video/vivi.c
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Diffstat (limited to 'drivers/media/video/vivi.c')
-rw-r--r--drivers/media/video/vivi.c27
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);