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ARM: msm: dma: use list_move_tail instead of list_del/list_add_tail

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

spatch with a semantic match is used to found this problem.
(http://coccinelle.lip6.fr/)

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: David Brown <davidb@codeaurora.org>
This commit is contained in:
Wei Yongjun 2012-09-05 14:53:46 +08:00 committed by David Brown
parent 3b5909deb3
commit 6eebf2de9e
1 changed files with 1 additions and 2 deletions
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arch/arm/mach-msm/dma.c
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@ -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)
cmd->execute_func(cmd);
PRINT_FLOW("msm_datamover_irq_handler id %d, start command\n", id);