From: Cong Wang <amwang@redhat.com>
Date: Sat, 31 Aug 2013 05:44:32 +0000 (+0800)
Subject: ipv6: do not call ndisc_send_rs() with write lock
X-Git-Tag: v3.12-rc1~132^2~99
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=caf92bc4007036cfac8ee06c845fdfe6496e4fb3;p=pandora-kernel.git

ipv6: do not call ndisc_send_rs() with write lock

Because vxlan module will call ip6_dst_lookup() in TX path,
which will hold write lock. So we have to release this write lock
before calling ndisc_send_rs(), otherwise could deadlock.

Reviewed-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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