rocker: call correct unregister function on error

Use the correct unregister function matching the register
function on the error path.

Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Fixes: c1beeef7a32a791a ("rocker: implement IPv4 fib offloading")
Acked-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/rocker/rocker.c

@@ -5040,7 +5040,7 @@ static int __init rocker_module_init(void)
 	return 0;
 
 err_pci_register_driver:
-	unregister_netdevice_notifier(&rocker_netevent_nb);
+	unregister_netevent_notifier(&rocker_netevent_nb);
 	unregister_netdevice_notifier(&rocker_netdevice_nb);
 	return err;
 }