diff -urN grub2.org/disk/ieee1275/ofdisk.c grub2/disk/ieee1275/ofdisk.c
--- grub2.org/disk/ieee1275/ofdisk.c	2007-07-22 01:32:20.000000000 +0200
+++ grub2/disk/ieee1275/ofdisk.c	2007-10-07 22:55:48.000000000 +0200
@@ -124,7 +124,7 @@
 grub_ofdisk_read (grub_disk_t disk, grub_disk_addr_t sector,
 		  grub_size_t size, char *buf)
 {
-  grub_ssize_t status, actual;
+  grub_ssize_t status = 0, actual = 0;
   unsigned long long pos;
 
   grub_dprintf ("disk",