linux-kernel - RE: [PATCH 1/2] virtio-rng: implement entropy leak feature

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Date:   Fri, 20 Jan 2023 15:07:08 +0000
From:   "Elliott, Robert (Servers)" <elliott@....com>
To:     "Michael S. Tsirkin" <mst@...hat.com>,
        Babis Chalios <bchalios@...zon.es>
CC:     Olivia Mackall <olivia@...enic.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Jason Wang <jasowang@...hat.com>,
        "linux-crypto@...r.kernel.org" <linux-crypto@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "virtualization@...ts.linux-foundation.org" 
        <virtualization@...ts.linux-foundation.org>,
        "amit@...nel.org" <amit@...nel.org>,
        "graf@...zon.de" <graf@...zon.de>,
        "Jason@...c4.com" <Jason@...c4.com>,
        "xmarcalx@...zon.co.uk" <xmarcalx@...zon.co.uk>
Subject: RE: [PATCH 1/2] virtio-rng: implement entropy leak feature

> > +#include "asm-generic/errno.h"
> 
> Why are you pulling this in?
> If you really need errno the thing to include
> is linux/errno.h
> 
> checkpatch has a rule to catch such cases:
> 
> # warn if <asm/foo.h> is #included and <linux/foo.h> is available and includes
> # itself <asm/foo.h> (uses RAW line)

It's only looking for asm, not variations like asm-generic.