diff options
| -rw-r--r-- | target/linux/ar71xx/files/arch/mips/pci/pci-ar724x.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/target/linux/ar71xx/files/arch/mips/pci/pci-ar724x.c b/target/linux/ar71xx/files/arch/mips/pci/pci-ar724x.c index 9d37561aa..251bf6d39 100644 --- a/target/linux/ar71xx/files/arch/mips/pci/pci-ar724x.c +++ b/target/linux/ar71xx/files/arch/mips/pci/pci-ar724x.c @@ -356,22 +356,33 @@ static void __init ar724x_pci_irq_init(void) int __init ar724x_pcibios_init(void) { - int ret; + int ret = -ENOMEM; ar724x_pci_localcfg_base = ioremap_nocache(AR724X_PCI_CRP_BASE, AR724X_PCI_CRP_SIZE); + if (ar724x_pci_localcfg_base == NULL) + goto err; ar724x_pci_devcfg_base = ioremap_nocache(AR724X_PCI_CFG_BASE, AR724X_PCI_CFG_SIZE); + if (ar724x_pci_devcfg_base == NULL) + goto err_unmap_localcfg; ar724x_pci_reset(); ret = ar724x_pci_setup(); if (ret) - return ret; + goto err_unmap_devcfg; ar724x_pci_fixup_enable = 1; ar724x_pci_irq_init(); register_pci_controller(&ar724x_pci_controller); return 0; + + err_unmap_devcfg: + iounmap(ar724x_pci_devcfg_base); + err_unmap_localcfg: + iounmap(ar724x_pci_localcfg_base); + err: + return ret; } |