[media] em28xx: use after free in em28xx_v4l2_close()

We need to move the unlock before the kfree(dev);

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/media/usb/em28xx/em28xx-video.c b/drivers/media/usb/em28xx/em28xx-video.c
index ecb23df7f16e..78d6ebd712b9 100644
--- a/drivers/media/usb/em28xx/em28xx-video.c
+++ b/drivers/media/usb/em28xx/em28xx-video.c
@@ -2264,9 +2264,9 @@ static int em28xx_v4l2_close(struct file *filp)
                 if (dev->state & DEV_DISCONNECTED) {
                         em28xx_release_resources(dev);
                         kfree(dev->alt_max_pkt_size);
+                        mutex_unlock(&dev->lock);
                         kfree(dev);
                         kfree(fh);
-                        mutex_unlock(&dev->lock);
                         return 0;
                 }