[media] Prevent null pointer derefernce of pdev

Make sure pdev is not dereferenced when it is null

Signed-off-by: Huzaifa Sidhpurwala <huzaifas@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/media/video/pwc/pwc-if.c b/drivers/media/video/pwc/pwc-if.c
index 780af5f81642..356cd42b593b 100644
--- a/drivers/media/video/pwc/pwc-if.c
+++ b/drivers/media/video/pwc/pwc-if.c
@@ -1850,7 +1850,6 @@ static void usb_pwc_disconnect(struct usb_interface *intf)
         } else {
                 /* Device is closed, so we can safely unregister it */
                 PWC_DEBUG_PROBE("Unregistering video device in disconnect().\n");
-                pwc_cleanup(pdev);
 
 disconnect_out:
                 /* search device_hint[] table if we occupy a slot, by any chance */
@@ -1860,6 +1859,7 @@ disconnect_out:
         }
 
         mutex_unlock(&pdev->modlock);
+        pwc_cleanup(pdev);
 }