linux-kernel - [PATCH 1/1 linux-next] mmc: queue: use swap() in mmc_queue

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Date:	Wed, 10 Jun 2015 18:30:53 +0200
From:	Fabian Frederick <fabf@...net.be>
To:	linux-kernel@...r.kernel.org
Cc:	Julia Lawall <Julia.Lawall@...6.fr>,
	Fabian Frederick <fabf@...net.be>,
	Ulf Hansson <ulf.hansson@...aro.org>, linux-mmc@...r.kernel.org
Subject: [PATCH 1/1 linux-next] mmc: queue: use swap() in mmc_queue_thread()

Use kernel.h macro definition.

Thanks to Julia Lawall for Coccinelle scripting support.

Signed-off-by: Fabian Frederick <fabf@...net.be>
---
 drivers/mmc/card/queue.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/mmc/card/queue.c b/drivers/mmc/card/queue.c
index 8efa368..d34e09b 100644
--- a/drivers/mmc/card/queue.c
+++ b/drivers/mmc/card/queue.c
@@ -56,7 +56,6 @@ static int mmc_queue_thread(void *d)
 	down(&mq->thread_sem);
 	do {
 		struct request *req = NULL;
-		struct mmc_queue_req *tmp;
 		unsigned int cmd_flags = 0;
 
 		spin_lock_irq(q->queue_lock);
@@ -86,9 +85,7 @@ static int mmc_queue_thread(void *d)
 
 			mq->mqrq_prev->brq.mrq.data = NULL;
 			mq->mqrq_prev->req = NULL;
-			tmp = mq->mqrq_prev;
-			mq->mqrq_prev = mq->mqrq_cur;
-			mq->mqrq_cur = tmp;
+			swap(mq->mqrq_prev, mq->mqrq_cur);
 		} else {
 			if (kthread_should_stop()) {
 				set_current_state(TASK_RUNNING);
-- 
2.4.2

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