From 178c81e58e91559fd2c6b1cae43c8f573a2ead36 Mon Sep 17 00:00:00 2001
From: Jingchang Lu <b35083@freescale.com>
Date: Fri, 21 Feb 2014 14:50:06 +0800
Subject: [PATCH] dma: fsl-edma: fix static checker warning of NULL dereference

The static checker reports following warning:
	drivers/dma/fsl-edma.c:732 fsl_edma_xlate()
	error: we previously assumed 'chan' could be null (see line 737)
The changes of the loop cursor in the iteration may result in
NULL dereference when dma_get_slave_channel failed but loop
will continue. So use list_for_each_entry_safe() instead of
list_for_each_entry() to against this.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jingchang Lu <b35083@freescale.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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