netdev - Re: [PATCH V4 net-next 2/5] xen-netback: Add support for multiple queues

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Message-ID: <53074577.7020403@citrix.com>
Date:	Fri, 21 Feb 2014 12:24:23 +0000
From:	Andrew Bennieston <andrew.bennieston@...rix.com>
To:	David Vrabel <david.vrabel@...rix.com>
CC:	Paul Durrant <Paul.Durrant@...rix.com>,
	"xen-devel@...ts.xenproject.org" <xen-devel@...ts.xenproject.org>,
	Ian Campbell <Ian.Campbell@...rix.com>,
	Wei Liu <wei.liu2@...rix.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [PATCH V4 net-next 2/5] xen-netback: Add support for multiple
 queues

On 21/02/14 12:22, David Vrabel wrote:
>>>> +    char *xspath = NULL;
>>>
>>> I don't think you need the NULL init here. xspath is set in both
>>> branches of the if statement below.
>>
>> Indeed, but I prefer to initialise things sanely where possible. It
>> makes it easier to spot problems with later modifications of the code,
>> e.g. if one of those branches changed.
>
> Kernel style (but probably not documented anywhere) is to only
> initialize locals were necessary.
>
> David
>
Ok, I'll remove the NULL initialiser then.

Andrew
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