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authorjuhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73>2010-03-18 19:19:19 +0000
committerjuhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73>2010-03-18 19:19:19 +0000
commitb1704a799d743388d45be6aef04ec57909aa73c4 (patch)
tree29ee7dc7de448663a38dd27470889b8c97d82e64 /target/linux/ar71xx/files/arch/mips/pci/pci-ar71xx.c
parentdc4e55fa64197a3ff073227ee49027a4c9a7db4e (diff)
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
Diffstat (limited to 'target/linux/ar71xx/files/arch/mips/pci/pci-ar71xx.c')
-rw-r--r--target/linux/ar71xx/files/arch/mips/pci/pci-ar71xx.c2
1 files changed, 2 insertions, 0 deletions
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);