netdev - Re: [PATCH] dm9601: handle corrupt mac address

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-Id: <20090106.105541.165809083.davem@davemloft.net>
Date:	Tue, 06 Jan 2009 10:55:41 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	jacmet@...site.dk
Cc:	wfg@...ux.intel.com, netdev@...r.kernel.org
Subject: Re: [PATCH] dm9601: handle corrupt mac address

From: Peter Korsgaard <jacmet@...site.dk>
Date: Tue, 06 Jan 2009 09:04:58 +0100

> >>>>> "Wu" == Wu Fengguang <wfg@...ux.intel.com> writes:
> 
>  Wu> Some cheap devices ship with dangling EEPROM pins!
>  Wu> They always return invalid address ff:ff:ff:ff:ff:ff.
> 
>  Wu> Inherit the auto-generated address in this case,
>  Wu> so that these products can work with zero configuration.
> 
>  Wu> Signed-off-by: Wu Fengguang <fengguang.wu@...el.com>
> 
>  Wu> +	/*
>  Wu> +	 * Overwrite the auto-generated address only with good ones.
>  Wu> +	 */
>  Wu> +	if (is_valid_ether_addr(mac))
>  Wu> +		memcpy(dev->net->dev_addr, mac, ETH_ALEN);
>  Wu> +
> 
> Do we automatically get a random address in netdev nowadays without
> calling random_ether_addr? I didn't know that.
> 
> Anyway, I would prefer to add a dev_warn mentioning the fact that
> we're using a random address (and which one).
> 
> Other than that,
> 
> Signed-off-by: Peter Korsgaard <jacmet@...site.dk>

Applied, thanks everyone.
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html