From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stephen Hemminger <stephen@networkplumber.org>
Subject: Re: [PATCH] netvsc: fix ptr_ret.cocci warnings
Date: Mon, 24 Jul 2017 16:21:57 -0700
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To: David Miller <davem@davemloft.net>
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On Mon, 24 Jul 2017 16:20:28 -0700 (PDT)
David Miller <davem@davemloft.net> wrote:

> From: kbuild test robot <fengguang.wu@intel.com>
> 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@networkplumber.org>
> > Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>  
> 
> Applied to net-next.

That function is gone in the later patches.