Re: [PATCH] netvsc: fix ptr_ret.cocci warnings

[David Miller]

From: kbuild test robot <fengguang.wu@xxxxxxxxx>
Date: Sat, 22 Jul 2017 02:54:43 +0800

> drivers/net/hyperv/netvsc_drv.c:737:8-14: WARNING: PTR_ERR_OR_ZERO can be used
> 
> 
>  Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR
> 
> Generated by: scripts/coccinelle/api/ptr_ret.cocci
> 
> Fixes: 9749fed5d43d ("netvsc: use ERR_PTR to avoid dereference issues")
> CC: stephen hemminger <stephen@xxxxxxxxxxxxxxxxxx>
> Signed-off-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>

Applied to net-next.