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

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

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Cc: stable@vger.kernel.org
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

diff --git a/drivers/media/usb/cx231xx/cx231xx-cards.c b/drivers/media/usb/cx231xx/cx231xx-cards.c
index 5a4a2d0..2ee03e4 100644 (file)
--- a/drivers/media/usb/cx231xx/cx231xx-cards.c
+++ b/drivers/media/usb/cx231xx/cx231xx-cards.c
@@ -1414,8 +1414,8 @@ 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;
 }