linux-kernel - Re: [PATCH] Allow userspace code to use flag IFA_F_SECONDARY to specify an ip address to be primary or secondary ip on an interface

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Message-ID: <20130924122101.6912dde0@nehalam.linuxnetplumber.net>
Date:	Tue, 24 Sep 2013 12:21:01 -0700
From:	Stephen Hemminger <stephen@...workplumber.org>
To:	Vincent Li <vincent.mc.li@...il.com>
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	davem@...emloft.net
Subject: Re: [PATCH] Allow userspace code to use flag IFA_F_SECONDARY to
 specify an ip address to be primary or secondary ip on an interface

On Tue, 24 Sep 2013 11:11:21 -0700
Vincent Li <vincent.mc.li@...il.com> wrote:

> -	ifa->ifa_flags &= ~IFA_F_SECONDARY;
>  	last_primary = &in_dev->ifa_list;
>  
> +	if((*last_primary) == NULL)


Minor nit, paren's here are unnecessary
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