linux-kernel - [PATCH 6/7] I/OAT: list usage cleanup

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Message-ID: <20090226100525.3615.38859.stgit@linux.site>
Date:	Thu, 26 Feb 2009 11:05:30 +0100
From:	Maciej Sosnowski <maciej.sosnowski@...el.com>
To:	dan.j.williams@...el.com
Cc:	snakebyte@....de, shannon.nelson@...el.com,
	jeffrey.t.krisher@...el.com, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org
Subject: [PATCH 6/7] I/OAT: list usage cleanup

From: Eric Sesterhenn <snakebyte@....de>

Trivial cleanup, list_del(); list_add_tail() is equivalent
to list_move_tail(). Semantic patch for coccinelle can be
found at www.cccmz.de/~snakebyte/list_move_tail.spatch

Signed-off-by: Eric Sesterhenn <snakebyte@....de>
Signed-off-by: Maciej Sosnowski <maciej.sosnowski@...el.com>
Signed-off-by: Shannon Nelson <shannon.nelson@...el.com>
Acked-by: Jeff Kirsher <jeffrey.t.krisher@...el.com>
---

 drivers/dma/ioat_dma.c |    5 ++---
 1 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/dma/ioat_dma.c b/drivers/dma/ioat_dma.c
index fc9b845..ae8c0ce 100644
--- a/drivers/dma/ioat_dma.c
+++ b/drivers/dma/ioat_dma.c
@@ -1171,9 +1171,8 @@ #endif
 				 * up if the client is done with the descriptor
 				 */
 				if (async_tx_test_ack(&desc->async_tx)) {
-					list_del(&desc->node);
-					list_add_tail(&desc->node,
-						      &ioat_chan->free_desc);
+					list_move_tail(&desc->node,
+						       &ioat_chan->free_desc);
 				} else
 					desc->async_tx.cookie = 0;
 			} else {

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