[PATCH 20/24] ARM: msm: dma: use list_move_tail instead of list_del/list_add_tail

From: David Brown
Date: Wed Sep 12 2012 - 13:02:50 EST

From: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>

Using list_move_tail() instead of list_del() + list_add_tail().

spatch with a semantic match is used to found this problem.

Signed-off-by: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>
Signed-off-by: David Brown <davidb@xxxxxxxxxxxxxx>
arch/arm/mach-msm/dma.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/arm/mach-msm/dma.c b/arch/arm/mach-msm/dma.c
index 02cae5e..354b91d 100644
--- a/arch/arm/mach-msm/dma.c
+++ b/arch/arm/mach-msm/dma.c
@@ -223,8 +223,7 @@ static irqreturn_t msm_datamover_irq_handler(int irq, void *dev_id)
PRINT_FLOW("msm_datamover_irq_handler id %d, status %x\n", id, ch_status);
if ((ch_status & DMOV_STATUS_CMD_PTR_RDY) && !list_empty(&ready_commands[id])) {
cmd = list_entry(ready_commands[id].next, typeof(*cmd), list);
- list_del(&cmd->list);
- list_add_tail(&cmd->list, &active_commands[id]);
+ list_move_tail(&cmd->list, &active_commands[id]);
if (cmd->execute_func)
PRINT_FLOW("msm_datamover_irq_handler id %d, start command\n", id);
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