From: Eric Dumazet <edumazet@google.com>
Date: Sat, 20 Jul 2013 03:07:16 +0000 (-0700)
Subject: bridge: do not call setup_timer() multiple times
X-Git-Tag: v3.11-rc4~22^2~38
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1faabf2aab1fdaa1ace4e8c829d1b9cf7bfec2f1;p=pandora-kernel.git

bridge: do not call setup_timer() multiple times

commit 9f00b2e7cf24 ("bridge: only expire the mdb entry when query is
received") added a nasty bug as an active timer can be reinitialized.

setup_timer() must be done once, no matter how many time mod_timer()
is called. br_multicast_new_group() is the right place to do this.

Reported-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Diagnosed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Tested-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Cc: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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