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-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);