netdev - [PATCH 1/1 linux-next] vxge: use swap() in vxge_hw_channel_dtr

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Date:	Wed, 10 Jun 2015 18:33:26 +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>,
	Jon Mason <jdmason@...zu.us>, netdev@...r.kernel.org
Subject: [PATCH 1/1 linux-next] vxge: use swap() in vxge_hw_channel_dtr_alloc()

Use kernel.h macro definition.

Thanks to Julia Lawall for Coccinelle scripting support.

Signed-off-by: Fabian Frederick <fabf@...net.be>
---
 drivers/net/ethernet/neterion/vxge/vxge-traffic.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/net/ethernet/neterion/vxge/vxge-traffic.c b/drivers/net/ethernet/neterion/vxge/vxge-traffic.c
index 9e1aaa7..5f630a2 100644
--- a/drivers/net/ethernet/neterion/vxge/vxge-traffic.c
+++ b/drivers/net/ethernet/neterion/vxge/vxge-traffic.c
@@ -1004,8 +1004,6 @@ void vxge_hw_device_clear_tx_rx(struct __vxge_hw_device *hldev)
 static enum vxge_hw_status
 vxge_hw_channel_dtr_alloc(struct __vxge_hw_channel *channel, void **dtrh)
 {
-	void **tmp_arr;
-
 	if (channel->reserve_ptr - channel->reserve_top > 0) {
 _alloc_after_swap:
 		*dtrh =	channel->reserve_arr[--channel->reserve_ptr];
@@ -1020,10 +1018,7 @@ _alloc_after_swap:
 	 * i.e.	no additional lock need	to be done when	we free	a resource */
 
 	if (channel->length - channel->free_ptr > 0) {
-
-		tmp_arr	= channel->reserve_arr;
-		channel->reserve_arr = channel->free_arr;
-		channel->free_arr = tmp_arr;
+		swap(channel->reserve_arr, channel->free_arr);
 		channel->reserve_ptr = channel->length;
 		channel->reserve_top = channel->free_ptr;
 		channel->free_ptr = channel->length;
-- 
2.4.2

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