From 18aa68d3683a31dd8528c5baa1758fc91d379bf2 Mon Sep 17 00:00:00 2001
From: Gabor Juhos <juhosg@openwrt.org>
Date: Thu, 18 Mar 2010 19:19:19 +0000
Subject: [PATCH] ar71xx: check returned value of ioremap in
 ar71xx_pcibios_setup

SVN-Revision: 20288
---
 target/linux/ar71xx/files/arch/mips/pci/pci-ar71xx.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/target/linux/ar71xx/files/arch/mips/pci/pci-ar71xx.c b/target/linux/ar71xx/files/arch/mips/pci/pci-ar71xx.c
index 88eb917a5b..7d0eee9dbf 100644
--- a/target/linux/ar71xx/files/arch/mips/pci/pci-ar71xx.c
+++ b/target/linux/ar71xx/files/arch/mips/pci/pci-ar71xx.c
@@ -384,6 +384,8 @@ int __init ar71xx_pcibios_init(void)
 
 	ar71xx_pcicfg_base = ioremap_nocache(AR71XX_PCI_CFG_BASE,
 						AR71XX_PCI_CFG_SIZE);
+	if (ar71xx_pcicfg_base == NULL)
+		return -ENOMEM;
 
 	__raw_writel(PCI_WIN0_OFFS, ddr_base + AR71XX_DDR_REG_PCI_WIN0);
 	__raw_writel(PCI_WIN1_OFFS, ddr_base + AR71XX_DDR_REG_PCI_WIN1);
-- 
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