netdev - Re: [PATCH net] ipv6: addrconf: increment ifp refcount before ipv6_del

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Message-ID: <1509467611.3828.20.camel@edumazet-glaptop3.roam.corp.google.com>
Date:   Tue, 31 Oct 2017 09:33:31 -0700
From:   Eric Dumazet <eric.dumazet@...il.com>
To:     David Ahern <dsahern@...il.com>
Cc:     netdev <netdev@...r.kernel.org>, David Miller <davem@...emloft.net>
Subject: Re: [PATCH net] ipv6: addrconf: increment ifp refcount before
 ipv6_del_addr()

On Tue, 2017-10-31 at 10:09 -0600, David Ahern wrote:

> Interestingly, I put the failure sequence into a loop and hit the above
> path closing in on 1 million times and I am not seeing a memory leak
> with our without this patch.
> 
> The above does fix the refcnt and based on other call sites for
> ipv6_del_addr is the right thing to do, so...
> 
> Acked-by: David Ahern <dsahern@...il.com>

Thanks a lot for testing !