Re: [PATCH net] ipv6: ipv6_find_hdr restore prev functionality

To: hans@xxxxxxxxxxxxxxx
Subject: Re: [PATCH net] ipv6: ipv6_find_hdr restore prev functionality
Cc: netdev@xxxxxxxxxxxxxxx, ja@xxxxxx, aatteka@xxxxxxxxxx, kaber@xxxxxxxxx, ard@xxxxxxxxxxxxxxx, lvs-devel@xxxxxxxxxxxxxxx
From: David Miller <davem@xxxxxxxxxxxxx>
Date: Thu, 27 Feb 2014 18:28:03 -0500 (EST)
From: Hans Schillstrom <hans@xxxxxxxxxxxxxxx>
Date: Thu, 27 Feb 2014 12:57:58 +0100

> The commit 9195bb8e381d81d5a315f911904cdf0cfcc919b8 ("ipv6: improve 
> ipv6_find_hdr() to skip empty routing headers") broke ipv6_find_hdr().
> When a target is specified like IPPROTO_ICMPV6 ipv6_find_hdr()
> returns -ENOENT when it's found, not the header as expected.
> A part of IPVS is broken and possible also nft_exthdr_eval().
> When target is -1 which it is most cases, it works.
> This patch exits the do while loop if the specific header is found
> so the nexthdr could be returned as expected.
> Reported-by: Art -kwaak- van Breemen <ard@xxxxxxxxxxxxxxx>
> Signed-off-by: Hans Schillstrom <hans@xxxxxxxxxxxxxxx>
> CC:Ansis Atteka <aatteka@xxxxxxxxxx>

Looks good, applied and queued up for -stable, thanks!
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