[media] cx231xx: use after free on error path in probe

We dereference "dev" after it has already been freed.

Signed-off-by: Dan Carpenter <[email protected]>
Signed-off-by: Hans Verkuil <[email protected]>
Cc: [email protected]
Signed-off-by: Mauro Carvalho Chehab <[email protected]>

diff --git a/drivers/media/usb/cx231xx/cx231xx-cards.c b/drivers/media/usb/cx231xx/cx231xx-cards.c
index e9d017bea377069da087751404e75f86b081c7cd..528cce958a82c4a67c91ea0c52841364db36f7d4 100644 (file)
--- a/drivers/media/usb/cx231xx/cx231xx-cards.c
+++ b/drivers/media/usb/cx231xx/cx231xx-cards.c
@@ -1412,8 +1412,8 @@ err_v4l2:
        usb_set_intfdata(interface, NULL);
 err_if:
        usb_put_dev(udev);
-       kfree(dev);
        clear_bit(dev->devno, &cx231xx_devused);
+       kfree(dev);
        return retval;
 }