1 files changed, 5 insertions, 3 deletions

diff --git a/drivers/ide/pci/sgiioc4.c b/drivers/ide/pci/sgiioc4.c
index f6d4b4136a89..de820aa58cd0 100644
--- a/drivers/ide/pci/sgiioc4.c
+++ b/drivers/ide/pci/sgiioc4.c
@@ -655,10 +655,12 @@ sgiioc4_ide_setup_pci_device(struct pci_dev *dev)
         }
 
         if (hwif->io_ports[IDE_DATA_OFFSET] != cmd_base) {
+                hw_regs_t hw;
+
                 /* Initialize the IO registers */
-                sgiioc4_init_hwif_ports(&hwif->hw, cmd_base, ctl, irqport);
-                memcpy(hwif->io_ports, hwif->hw.io_ports,
-                       sizeof (hwif->io_ports));
+                memset(&hw, 0, sizeof(hw));
+                sgiioc4_init_hwif_ports(&hw, cmd_base, ctl, irqport);
+                memcpy(hwif->io_ports, hw.io_ports, sizeof(hwif->io_ports));
                 hwif->noprobe = !hwif->io_ports[IDE_DATA_OFFSET];
         }