netdev - Re: [PATCH v2] net IPv6 : Fix broken IPv6 routing table after loopback down-up

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Message-ID: <515996CF.3030809@linux-ipv6.org>
Date:	Mon, 01 Apr 2013 23:16:47 +0900
From:	YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org>
To:	Balakumaran Kannan <kumaran.4353@...il.com>
CC:	David Miller <davem@...emloft.net>, eric.dumazet@...il.com,
	kaber@...sh.net, kuznet@....inr.ac.ru, jmorris@...ei.org,
	Balakumaran.Kannan@...sony.com, maruthi.thotad@...sony.com,
	netdev@...r.kernel.org, jamshed.a@...sony.com,
	amit.agarwal@...sony.com, takuzo.ohara@...sony.com,
	aaditya.kumar@...sony.com,
	YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org>
Subject: Re: [PATCH v2] net IPv6 : Fix broken IPv6 routing table after loopback
 down-up

Balakumaran Kannan wrote:

> @@ -2540,6 +2543,31 @@ static void init_loopback(struct net_dev
>  	}
> 
>  	add_addr(idev, &in6addr_loopback, 128, IFA_HOST);
> +
> +	/* Add routes to other interface's IPv6 addresses */
> +	for_each_netdev(dev_net(dev), sp_dev) {
> +
> +		if (!strcmp(sp_dev->name, dev->name))
> +			continue;
> +
> +		idev = __in6_dev_get(sp_dev);
> +		if (NULL == idev)
> +			continue;

idev == NULL or !idev.

--yoshfuji
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