diff options
| -rw-r--r-- | arch/powerpc/platforms/pseries/iommu.c | 2 | ||||
| -rw-r--r-- | arch/ppc64/kernel/pci_dn.c | 5 |
2 files changed, 4 insertions, 3 deletions
diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c index 9e90d41131d..a73faafaac8 100644 --- a/arch/powerpc/platforms/pseries/iommu.c +++ b/arch/powerpc/platforms/pseries/iommu.c @@ -498,7 +498,7 @@ static int iommu_reconfig_notifier(struct notifier_block *nb, unsigned long acti switch (action) { case PSERIES_RECONFIG_REMOVE: - if (pci->iommu_table && + if (pci && pci->iommu_table && get_property(np, "ibm,dma-window", NULL)) iommu_free_table(np); break; diff --git a/arch/ppc64/kernel/pci_dn.c b/arch/ppc64/kernel/pci_dn.c index 493bbe43f5b..1a443a7ada4 100644 --- a/arch/ppc64/kernel/pci_dn.c +++ b/arch/ppc64/kernel/pci_dn.c @@ -181,13 +181,14 @@ EXPORT_SYMBOL(fetch_dev_dn); static int pci_dn_reconfig_notifier(struct notifier_block *nb, unsigned long action, void *node) { struct device_node *np = node; - struct pci_dn *pci; + struct pci_dn *pci = NULL; int err = NOTIFY_OK; switch (action) { case PSERIES_RECONFIG_ADD: pci = np->parent->data; - update_dn_pci_info(np, pci->phb); + if (pci) + update_dn_pci_info(np, pci->phb); break; default: err = NOTIFY_DONE; |