From: Florent Fourcot <florent.fourcot@enst-bretagne.fr>
Date: Thu, 7 Nov 2013 16:53:14 +0000 (+0100)
Subject: ipv6: protect flow label renew against GC
X-Git-Tag: v3.13-rc1~105^2~18
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=394055f6fabd077e74815865f01a73a31dd765d3;p=pandora-kernel.git

ipv6: protect flow label renew against GC

Take ip6_fl_lock before to read and update
a label.

v2: protect only the relevant code

Reported-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: Florent Fourcot <florent.fourcot@enst-bretagne.fr>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Reading git-diff-tree failed