Re: [PATCH net] openvswitch: Fix IPv6 exthdr handling with ct helpers.

[David Miller]

From: Joe Stringer <joestringer@xxxxxxxxxx>
Date: Mon, 14 Sep 2015 11:14:50 -0700

> Static code analysis reveals the following bug:
> 
>         net/openvswitch/conntrack.c:281 ovs_ct_helper()
>         warn: unsigned 'protoff' is never less than zero.
> 
> This signedness bug breaks error handling for IPv6 extension headers when
> using conntrack helpers. Fix the error by using a local signed variable.
> 
> Fixes:  cae3a2627520: "openvswitch: Allow attaching helpers to ct
> action"
> Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> Signed-off-by: Joe Stringer <joestringer@xxxxxxxxxx>

Applied, thanks.
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