From: Prashant Sreedharan <prashant@broadcom.com>
Date: Wed, 14 Jan 2015 19:33:49 +0000 (-0800)
Subject: tg3: tg3_timer() should grab tp->lock before checking for tp->irq_sync
X-Git-Tag: fixes-v4.0-rc1~296^2^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4fd190a938cbb28ac9d42c5c86f5c829cc014537;p=pandora-kernel.git

tg3: tg3_timer() should grab tp->lock before checking for tp->irq_sync

This is to avoid the race between tg3_timer() and the execution paths
which does not invoke tg3_timer_stop() and releases tp->lock before
calling synchronize_irq()

Reported-by: Peter Hurley <peter@hurleysoftware.com>
Tested-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Prashant Sreedharan <prashant@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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