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 a059cb94952b..025a130729bc 100644
--- a/arch/powerpc/include/asm/pci-bridge.h
+++ b/arch/powerpc/include/asm/pci-bridge.h
@@ -182,6 +182,14 @@ 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;
 }
 #else
diff --git a/arch/powerpc/platforms/pseries/eeh.c b/arch/powerpc/platforms/pseries/eeh.c
index 43f6ed415564..9a04322b1736 100644
--- a/arch/powerpc/platforms/pseries/eeh.c
+++ b/arch/powerpc/platforms/pseries/eeh.c
@@ -728,7 +728,7 @@ 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;