netdev - Re: [PATCH net-next] ipv6: check fn before doing FIB6

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Message-ID: <20171013224949.mrl6jsy6uj22kl2e@kafai-mbp.dhcp.thefacebook.com>
Date:   Fri, 13 Oct 2017 15:49:58 -0700
From:   Martin KaFai Lau <kafai@...com>
To:     Wei Wang <weiwan@...gle.com>
CC:     David Miller <davem@...emloft.net>, <netdev@...r.kernel.org>,
        Eric Dumazet <edumazet@...gle.com>
Subject: Re: [PATCH net-next] ipv6: check fn before doing FIB6_SUBTREE(fn)

On Fri, Oct 13, 2017 at 10:01:08PM +0000, Wei Wang wrote:
> From: Wei Wang <weiwan@...gle.com>
> 
> In fib6_locate(), we need to first make sure fn is not NULL before doing
> FIB6_SUBTREE(fn) to avoid crash.
Acked-by: Martin KaFai Lau <kafai@...com>