linux-kernel - Re: [PATCH] Enable '-Werror' by default for all kernel builds

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Date:   Wed, 8 Sep 2021 04:48:00 +0000
From:   Al Viro <viro@...iv.linux.org.uk>
To:     Guenter Roeck <linux@...ck-us.net>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        "David S. Miller" <davem@...emloft.net>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Christian Koenig <christian.koenig@....com>,
        Huang Rui <ray.huang@....com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-sparc <sparclinux@...r.kernel.org>
Subject: Re: [PATCH] Enable '-Werror' by default for all kernel builds

On Tue, Sep 07, 2021 at 09:28:38PM -0700, Guenter Roeck wrote:

> 	memcpy(eth_addr, sanitize_address((void *) 0xfffc1f2c), ETH_ALEN);
> 
> but that just seems weird. Is there a better solution ?

(char (*)[ETH_ALEN])?  Said that, shouldn't that be doing something like
ioremap(), rather than casting explicit constants?