[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>
This commit is contained in:
Huzaifa Sidhpurwala 2011-05-09 07:32:24 -03:00 committed by Mauro Carvalho Chehab
parent bbe880b4a7
commit cecc2471ea

View File

@ -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 @@ static void usb_pwc_disconnect(struct usb_interface *intf)
}
mutex_unlock(&pdev->modlock);
pwc_cleanup(pdev);
}