netdev - Re: [PATCH net] ipv4: Don't override return code from ip_route_input

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Date:   Fri, 1 Sep 2017 01:45:06 +0200
From:   Sabrina Dubroca <sd@...asysnail.net>
To:     Stefano Brivio <sbrivio@...hat.com>
Cc:     "David S . Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
        Wei Wang <weiwan@...gle.com>
Subject: Re: [PATCH net] ipv4: Don't override return code from
 ip_route_input_noref()

2017-08-31, 18:11:41 +0200, Stefano Brivio wrote:
> After ip_route_input() calls ip_route_input_noref(), another
> check on skb_dst() is done, but if this fails, we shouldn't
> override the return code from ip_route_input_noref(), as it
> could have been more specific (i.e. -EHOSTUNREACH).
> 
> This also saves one call to skb_dst_force_safe() and one to
> skb_dst() in case the ip_route_input_noref() check fails.
> 
> Reported-by: Sabrina Dubroca <sdubroca@...hat.com>
> Fixes: ad65a2f05695 ("ipv4: call dst_hold_safe() properly")

That should be instead:

Fixes: 9df16efadd2a ("ipv4: call dst_hold_safe() properly")

Acked-by: Sabrina Dubroca <sd@...asysnail.net>

-- 
Sabrina