linux-kernel - [PATCH 5/8] aoe: manipulate aoedev network stats under lock

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Message-Id: <1f2ecdb54fd5ea705ce20442f0cba832a3fe70e5.1352316179.git.ecashin@coraid.com>
Date:	Thu, 8 Nov 2012 11:44:46 -0500
From:	Ed Cashin <ecashin@...aid.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org, ecashin@...aid.com
Subject:  [PATCH 5/8] aoe: manipulate aoedev network stats under lock

Signed-off-by: Ed Cashin <ecashin@...aid.com>
---
 drivers/block/aoe/aoecmd.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c
index 6ea27fd..9aefbe3 100644
--- a/drivers/block/aoe/aoecmd.c
+++ b/drivers/block/aoe/aoecmd.c
@@ -603,14 +603,14 @@ rexmit_timer(ulong vp)
 
 	d = (struct aoedev *) vp;
 
+	spin_lock_irqsave(&d->lock, flags);
+
 	/* timeout based on observed timings and variations */
 	timeout = 2 * d->rttavg >> RTTSCALE;
 	timeout += 8 * d->rttdev >> RTTDSCALE;
 	if (timeout == 0)
 		timeout = 1;
 
-	spin_lock_irqsave(&d->lock, flags);
-
 	if (d->flags & DEVFL_TKILL) {
 		spin_unlock_irqrestore(&d->lock, flags);
 		return;
-- 
1.7.1

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