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authorWei Yongjun <yongjun_wei@trendmicro.com.cn>2012-09-05 10:53:46 +0400
committerDavid Brown <davidb@codeaurora.org>2012-09-13 22:12:50 +0400
commit6eebf2de9e315dbad4f5f5d8f9faa249a38f5f09 (patch)
treefc2b36f693cbcbaf25d6206afdec221fca4dd474
parent3b5909deb3ed276727d248a5289954a142b2c686 (diff)
downloadlinux-6eebf2de9e315dbad4f5f5d8f9faa249a38f5f09.tar.xz
ARM: msm: dma: use list_move_tail instead of list_del/list_add_tail
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>
-rw-r--r--arch/arm/mach-msm/dma.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/arm/mach-msm/dma.c b/arch/arm/mach-msm/dma.c
index 02cae5e2951c..354b91d4c3ac 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)
cmd->execute_func(cmd);
PRINT_FLOW("msm_datamover_irq_handler id %d, start command\n", id);