[media] cx231xx: dereferencing NULL after allocation failure

"dev" is NULL here so we should use "nr" instead of "dev->devno".

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/video/cx231xx/cx231xx-cards.c b/drivers/media/video/cx231xx/cx231xx-cards.c
index 627829f4d8c9..7d8edb457065 100644
--- a/drivers/media/video/cx231xx/cx231xx-cards.c
+++ b/drivers/media/video/cx231xx/cx231xx-cards.c
@@ -1052,7 +1052,7 @@ static int cx231xx_usb_probe(struct usb_interface *interface,
         dev = kzalloc(sizeof(*dev), GFP_KERNEL);
         if (dev == NULL) {
                 cx231xx_err(DRIVER_NAME ": out of memory!\n");
-                clear_bit(dev->devno, &cx231xx_devused);
+                clear_bit(nr, &cx231xx_devused);
                 return -ENOMEM;
         }