From: Alexander Aring <alex.aring@gmail.com>
Date: Sat, 15 Mar 2014 08:29:04 +0000 (+0100)
Subject: at86rf230: move locking state in xmit
X-Git-Tag: v3.15-rc1~113^2~140^2~3
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7e8146189a6c2ba9445b8d848847f2520c6cb028;p=platform%2Fkernel%2Flinux-exynos.git

at86rf230: move locking state in xmit

There is no need to lock the clearing of IRQ_TRX_END in status.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/ieee802154/at86rf230.c b/drivers/net/ieee802154/at86rf230.c
index ad296bc..030bf39 100644
--- a/drivers/net/ieee802154/at86rf230.c
+++ b/drivers/net/ieee802154/at86rf230.c
@@ -914,8 +914,8 @@ static void at86rf230_irqwork(struct work_struct *work)
 	status &= ~IRQ_TRX_UR; /* FIXME: possibly handle ???*/
 
 	if (status & IRQ_TRX_END) {
-		spin_lock_irqsave(&lp->lock, flags);
 		status &= ~IRQ_TRX_END;
+		spin_lock_irqsave(&lp->lock, flags);
 		if (lp->is_tx) {
 			lp->is_tx = 0;
 			spin_unlock_irqrestore(&lp->lock, flags);