diff options
| -rw-r--r-- | arch/powerpc/include/asm/pci-bridge.h | 8 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pseries/eeh.c | 2 |
2 files changed, 9 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/pci-bridge.h b/arch/powerpc/include/asm/pci-bridge.h index ac39e6a3b25..2974edd999d 100644 --- a/arch/powerpc/include/asm/pci-bridge.h +++ b/arch/powerpc/include/asm/pci-bridge.h @@ -181,6 +181,14 @@ static inline int pci_device_from_OF_node(struct device_node *np, #if defined(CONFIG_EEH) static inline struct eeh_dev *of_node_to_eeh_dev(struct device_node *dn) { + /* + * For those OF nodes whose parent isn't PCI bridge, they + * don't have PCI_DN actually. So we have to skip them for + * any EEH operations. + */ + if (!dn || !PCI_DN(dn)) + return NULL; + return PCI_DN(dn)->edev; } #endif diff --git a/arch/powerpc/platforms/pseries/eeh.c b/arch/powerpc/platforms/pseries/eeh.c index ecd394cf34e..9a0b5f59a0d 100644 --- a/arch/powerpc/platforms/pseries/eeh.c +++ b/arch/powerpc/platforms/pseries/eeh.c @@ -1029,7 +1029,7 @@ static void eeh_add_device_early(struct device_node *dn) { struct pci_controller *phb; - if (!dn || !of_node_to_eeh_dev(dn)) + if (!of_node_to_eeh_dev(dn)) return; phb = of_node_to_eeh_dev(dn)->phb; |