From: hhb <421806649@qq.com>
Date: Thu, 26 Sep 2013 07:29:00 +0000 (+0800)
Subject: dma pl330: fix bug of dma chan list operation
X-Git-Tag: firefly_0821_release~6597
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=2b0734a89d00b5cc6e0442d3221584cf65797c31;p=firefly-linux-kernel-4.4.55.git

dma pl330: fix bug of dma chan list operation
---

diff --git a/arch/arm/plat-rk/dma-pl330.c b/arch/arm/plat-rk/dma-pl330.c
index 302110878a73..1303a0e7d73d 100644
--- a/arch/arm/plat-rk/dma-pl330.c
+++ b/arch/arm/plat-rk/dma-pl330.c
@@ -1239,6 +1239,7 @@ static int pl330_remove(struct platform_device *pdev)
 {
 	struct rk29_pl330_dmac *dmac, *d;
 	struct rk29_pl330_chan *ch;
+	struct rk29_pl330_chan *ch_temp;
 	unsigned long flags;
 	int del, found;
 
@@ -1262,7 +1263,7 @@ static int pl330_remove(struct platform_device *pdev)
 	dmac = d;
 
 	/* Remove all Channels that are managed only by this DMAC */
-	list_for_each_entry(ch, &chan_list, node) {
+	list_for_each_entry_safe(ch, ch_temp, &chan_list, node) {
 
 		/* Only channels that are handled by this DMAC */
 		if (iface_of_dmac(dmac, ch->id))