1 files changed, 4 insertions, 1 deletions

diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c
index 305c68b8d538..981c2dbd72cc 100644
--- a/arch/x86/pci/common.c
+++ b/arch/x86/pci/common.c
@@ -628,7 +628,9 @@ int pcibios_add_device(struct pci_dev *dev)
 
         pa_data = boot_params.hdr.setup_data;
         while (pa_data) {
-                data = phys_to_virt(pa_data);
+                data = ioremap(pa_data, sizeof(*rom));
+                if (!data)
+                        return -ENOMEM;
 
                 if (data->type == SETUP_PCI) {
                         rom = (struct pci_setup_rom *)data;
@@ -645,6 +647,7 @@ int pcibios_add_device(struct pci_dev *dev)
                         }
                 }
                 pa_data = data->next;
+                iounmap(data);
         }
         return 0;
 }