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

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Date:	Fri, 21 Feb 2014 12:22:40 +0000
From:	David Vrabel <david.vrabel@...rix.com>
To:	Andrew Bennieston <andrew.bennieston@...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

>>> +    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
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