Fixes the following W=1 kernel build warning(s):
drivers/net/ethernet/marvell/pxa168_eth.c:1190:6: warning:
variable 'retval' set but not used [-Wunused-but-set-variable]
1190 | int retval;
| ^~
Function pxa168_eth_change_mtu() always return zero, so variable 'retval'
is redunda
From: Zhang Changzhong
Date: Mon, 14 Sep 2020 21:19:12 +0800
> Fixes the following W=1 kernel build warning(s):
>
> drivers/net/ethernet/marvell/pxa168_eth.c:1190:6: warning:
> variable 'retval' set but not used [-Wunused-but-set-variable]
> 1190 | int retval;
> | ^~
>
> Funct
