[PATCH 4.4 13/65] media: Fix media_open() to clear filp->private_data in error leg

[Greg Kroah-Hartman]

From: Shuah Khan <shua...@osg.samsung.com>

commit d40ec6fdb0b03b7be4c7923a3da0e46bf943740a upstream.

Fix media_open() to clear filp->private_data when file open
fails.

Signed-off-by: Shuah Khan <shua...@osg.samsung.com>
Acked-by: Sakari Ailus <sakari.ai...@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mche...@osg.samsung.com>
Signed-off-by: Ben Hutchings <ben.hutchi...@codethink.co.uk>
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
 drivers/media/media-devnode.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/media/media-devnode.c b/drivers/media/media-devnode.c
index ebf9626e5ae5..a8cb52dc8c4f 100644
--- a/drivers/media/media-devnode.c
+++ b/drivers/media/media-devnode.c
@@ -181,6 +181,7 @@ static int media_open(struct inode *inode, struct file 
*filp)
                ret = mdev->fops->open(filp);
                if (ret) {
                        put_device(&mdev->dev);
+                       filp->private_data = NULL;
                        return ret;
                }
        }
-- 
2.25.1