netdev - Re: [PATCH net-next v4] net: ipv6: Make address flushing on ifdown optional

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Message-Id: <20151011.044449.2122530094518900731.davem@davemloft.net>
Date:	Sun, 11 Oct 2015 04:44:49 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	dsa@...ulusnetworks.com
Cc:	netdev@...r.kernel.org, hannes@...hat.com,
	nicolas.dichtel@...nd.com
Subject: Re: [PATCH net-next v4] net: ipv6: Make address flushing on ifdown
 optional

From: David Ahern <dsa@...ulusnetworks.com>
Date: Wed,  7 Oct 2015 08:17:39 -0700

> +static void fixup_managed_addr(struct inet6_dev *idev, struct inet6_ifaddr *ifp)
> +{
> +	if (!ifp->rt)
> +		ifp->rt = addrconf_dst_alloc(idev, &ifp->addr, false);

This potentially leaves an error pointer dangling in ifp->rt
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