netdev - Re: [PATCH 2/2] sh_eth: check TSU registers ioremap() error

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Date:	Wed, 20 Mar 2013 22:20:35 +0400
From:	Denis Kirjanov <kda@...ux-powerpc.org>
To:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
Cc:	David Miller <davem@...emloft.net>, netdev@...r.kernel.org,
	nobuhiro.iwamatsu.yj@...esas.com
Subject: Re: [PATCH 2/2] sh_eth: check TSU registers ioremap() error

It doesn't make sense to worry about branch misprediction during probe() :)

On 3/20/13, Sergei Shtylyov <sergei.shtylyov@...entembedded.com> wrote:
> On 03/20/2013 10:04 PM, Sergei Shtylyov wrote:
>
>>
>>>
>>>> One must check the result of ioremap() -- in this case it prevents
>>>> potential
>>>> kernel oops when initializing TSU registers further on...
>>>>
>>>> Signed-off-by: Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
>>> Applied and queued up for -stable.
>>
>>    Thanks. However, do you really think it's needed in stable? It's
>> only error path, after all...
>
>     I forgot to add "unlikely" to the "error path". I usually don't mark
> such patches for stable, when I'm not in a hurry. :-)
>
> WBR, Sergei
>
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