---

yaml --- r: 142461 b: refs/heads/master c: 65d9ff9 h: refs/heads/master i: 142459: c542b84 v: v3
git-mirror · Apr 7, 2009 · 414e2c3 · 414e2c3
1 parent 2c9e436
commit 414e2c3
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Showing 2 changed files with 9 additions and 4 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: dfa76fa2824967c0ec196fbcba36d3e74b66d3aa
+refs/heads/master: 65d9ff9c85d3c2e06d22aed78efee8404563eff6
diff --git a/trunk/drivers/media/video/v4l2-dev.c b/trunk/drivers/media/video/v4l2-dev.c
@@ -229,7 +229,7 @@ static int v4l2_mmap(struct file *filp, struct vm_area_struct *vm)
 static int v4l2_open(struct inode *inode, struct file *filp)
 {
 	struct video_device *vdev;
-	int ret;
+	int ret = 0;
 
 	/* Check if the video device is available */
 	mutex_lock(&videodev_lock);
@@ -243,7 +243,9 @@ static int v4l2_open(struct inode *inode, struct file *filp)
 	/* and increase the device refcount */
 	video_get(vdev);
 	mutex_unlock(&videodev_lock);
-	ret = vdev->fops->open(filp);
+	if (vdev->fops->open)
+		ret = vdev->fops->open(filp);
+
 	/* decrease the refcount in case of an error */
 	if (ret)
 		video_put(vdev);
@@ -254,7 +256,10 @@ static int v4l2_open(struct inode *inode, struct file *filp)
 static int v4l2_release(struct inode *inode, struct file *filp)
 {
 	struct video_device *vdev = video_devdata(filp);
-	int ret = vdev->fops->release(filp);
+	int ret = 0;
+
+	if (vdev->fops->release)
+		vdev->fops->release(filp);
 
 	/* decrease the refcount unconditionally since the release()
 	   return value is ignored. */