aboutsummaryrefslogtreecommitdiffstats
path: root/arch/ppc64/kernel/pci_dn.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/ppc64/kernel/pci_dn.c')
-rw-r--r--arch/ppc64/kernel/pci_dn.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/ppc64/kernel/pci_dn.c b/arch/ppc64/kernel/pci_dn.c
index 493bbe43f5b4..1a443a7ada4c 100644
--- a/arch/ppc64/kernel/pci_dn.c
+++ b/arch/ppc64/kernel/pci_dn.c
@@ -181,13 +181,14 @@ EXPORT_SYMBOL(fetch_dev_dn);
181static int pci_dn_reconfig_notifier(struct notifier_block *nb, unsigned long action, void *node) 181static int pci_dn_reconfig_notifier(struct notifier_block *nb, unsigned long action, void *node)
182{ 182{
183 struct device_node *np = node; 183 struct device_node *np = node;
184 struct pci_dn *pci; 184 struct pci_dn *pci = NULL;
185 int err = NOTIFY_OK; 185 int err = NOTIFY_OK;
186 186
187 switch (action) { 187 switch (action) {
188 case PSERIES_RECONFIG_ADD: 188 case PSERIES_RECONFIG_ADD:
189 pci = np->parent->data; 189 pci = np->parent->data;
190 update_dn_pci_info(np, pci->phb); 190 if (pci)
191 update_dn_pci_info(np, pci->phb);
191 break; 192 break;
192 default: 193 default:
193 err = NOTIFY_DONE; 194 err = NOTIFY_DONE;