From: Gabor Juhos <juhosg@openwrt.org>
Date: Thu, 18 Mar 2010 19:19:19 +0000 (+0000)
Subject: ar71xx: check returned value of ioremap in ar71xx_pcibios_setup
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=18aa68d3683a31dd8528c5baa1758fc91d379bf2;p=openwrt%2Fstaging%2Fzorun.git

ar71xx: check returned value of ioremap in ar71xx_pcibios_setup

SVN-Revision: 20288
---

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);