I/OAT: list usage cleanup

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@gmx.de>
Signed-off-by: Maciej Sosnowski <maciej.sosnowski@intel.com>
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

diff --git a/drivers/dma/ioat_dma.c b/drivers/dma/ioat_dma.c
index fc9b845..ae8c0ce 100644 (file)
--- a/drivers/dma/ioat_dma.c
+++ b/drivers/dma/ioat_dma.c
@@ -1171,9 +1171,8 @@ static void ioat_dma_memcpy_cleanup(struct ioat_dma_chan *ioat_chan)
                                 * 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 {