From b1704a799d743388d45be6aef04ec57909aa73c4 Mon Sep 17 00:00:00 2001
From: juhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Thu, 18 Mar 2010 19:19:19 +0000
Subject: ar71xx: check returned value of ioremap in ar71xx_pcibios_setup

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@20288 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 target/linux/ar71xx/files/arch/mips/pci/pci-ar71xx.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'target/linux')

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 88eb917a5..7d0eee9db 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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