1 files changed, 3 insertions, 2 deletions

diff --git a/arch/powerpc/platforms/powernv/eeh-ioda.c b/arch/powerpc/platforms/powernv/eeh-ioda.c
index 02245cee7818..8184ef5ccb1a 100644
--- a/arch/powerpc/platforms/powernv/eeh-ioda.c
+++ b/arch/powerpc/platforms/powernv/eeh-ioda.c
@@ -820,14 +820,15 @@ static void ioda_eeh_phb_diag(struct pci_controller *hose)
         struct OpalIoPhbErrorCommon *common;
         long rc;
 
-        common = (struct OpalIoPhbErrorCommon *)phb->diag.blob;
-        rc = opal_pci_get_phb_diag_data2(phb->opal_id, common, PAGE_SIZE);
+        rc = opal_pci_get_phb_diag_data2(phb->opal_id, phb->diag.blob,
+                                         PNV_PCI_DIAG_BUF_SIZE);
         if (rc != OPAL_SUCCESS) {
                 pr_warning("%s: Failed to get diag-data for PHB#%x (%ld)\n",
                             __func__, hose->global_number, rc);
                 return;
         }
 
+        common = (struct OpalIoPhbErrorCommon *)phb->diag.blob;
         switch (common->ioType) {
         case OPAL_PHB_ERROR_DATA_TYPE_P7IOC:
                 ioda_eeh_p7ioc_phb_diag(hose, common);