From: Fabian Frederick <fabf@skynet.be>
Date: Wed, 10 Jun 2015 16:30:53 +0000 (+0200)
Subject: mmc: queue: use swap() in mmc_queue_thread()
X-Git-Tag: v4.2-rc1~157^2~9
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=7551847ca079c362663385be20e6731ad32f1a3e;p=linux.git

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@skynet.be>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
---

diff --git a/drivers/mmc/card/queue.c b/drivers/mmc/card/queue.c
index 8efa3684aef8..d34e09b4161e 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);