From 8f695d3f07bf9fd2914d18d1d2f89e3574b809ff Mon Sep 17 00:00:00 2001 From: Ezequiel García Date: Thu, 26 Jul 2012 07:59:04 -0300 Subject: [media] v4l2-dev.c: Move video_put() after debug printk It is possible that video_put() releases video_device struct, provoking a panic when debug printk wants to get video_device node name. Signed-off-by: Ezequiel Garcia Acked-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/v4l2-dev.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) (limited to 'drivers/media') diff --git a/drivers/media/video/v4l2-dev.c b/drivers/media/video/v4l2-dev.c index 625248585c85..07aeafca9eaa 100644 --- a/drivers/media/video/v4l2-dev.c +++ b/drivers/media/video/v4l2-dev.c @@ -478,12 +478,12 @@ static int v4l2_open(struct inode *inode, struct file *filp) } err: - /* decrease the refcount in case of an error */ - if (ret) - video_put(vdev); if (vdev->debug) printk(KERN_DEBUG "%s: open (%d)\n", video_device_node_name(vdev), ret); + /* decrease the refcount in case of an error */ + if (ret) + video_put(vdev); return ret; } @@ -500,12 +500,12 @@ static int v4l2_release(struct inode *inode, struct file *filp) if (test_bit(V4L2_FL_LOCK_ALL_FOPS, &vdev->flags)) mutex_unlock(vdev->lock); } - /* decrease the refcount unconditionally since the release() - return value is ignored. */ - video_put(vdev); if (vdev->debug) printk(KERN_DEBUG "%s: release\n", video_device_node_name(vdev)); + /* decrease the refcount unconditionally since the release() + return value is ignored. */ + video_put(vdev); return ret; } -- cgit v1.2.3