netdev - Re: [PATCH net] vxlan: eliminate cached dst leak

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Message-Id: <20170601.144648.1946518537495893731.davem@davemloft.net>
Date:   Thu, 01 Jun 2017 14:46:48 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     lrichard@...hat.com
Cc:     netdev@...r.kernel.org, pabeni@...hat.com
Subject: Re: [PATCH net] vxlan: eliminate cached dst leak

From: Lance Richardson <lrichard@...hat.com>
Date: Mon, 29 May 2017 13:25:57 -0400

> After commit 0c1d70af924b ("net: use dst_cache for vxlan device"),
> cached dst entries could be leaked when more than one remote was
> present for a given vxlan_fdb entry, causing subsequent netns
> operations to block indefinitely and "unregister_netdevice: waiting
> for lo to become free." messages to appear in the kernel log.
> 
> Fix by properly releasing cached dst and freeing resources in this
> case.
> 
> Fixes: commit 0c1d70af924b ("net: use dst_cache for vxlan device")

In the future please do not put that "commit " string there, it's not
needed.

> Signed-off-by: Lance Richardson <lrichard@...hat.com>

Applied and queued up for -stable, thank you.