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| author | Gabor Juhos <juhosg@openwrt.org> | 2010-03-18 19:19:03 +0000 |
|---|---|---|
| committer | Gabor Juhos <juhosg@openwrt.org> | 2010-03-18 19:19:03 +0000 |
| commit | b051a3b78431a878ef80a074592c0c9c6fcb4019 (patch) | |
| tree | 658b69ec719815a865bcfe4be425f70997ccf409 | |
| parent | 695e989c6f12f1c01a02f5464f2e2547cf257415 (diff) | |
| download | mtk-20170518-b051a3b78431a878ef80a074592c0c9c6fcb4019.zip mtk-20170518-b051a3b78431a878ef80a074592c0c9c6fcb4019.tar.gz mtk-20170518-b051a3b78431a878ef80a074592c0c9c6fcb4019.tar.bz2 | |
ar71xx: add error handling to ar724x_pcibios_init
SVN-Revision: 20283
| -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 9d37561..251bf6d 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; } |