diff --git a/ChangeLog b/ChangeLog
index ba2561819..72d5bd899 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -3,6 +3,10 @@
 	* conf/common.rmk (grub_script_check_SOURCES): add missing dependencies.
 	(grub_mkpasswd_pbkdf2_SOURCES): Likewise.
 
+2010-02-06  Vladimir Serbinenko  <phcoder@gmail.com>
+
+	* disk/ieee1275/ofdisk.c (grub_ofdisk_read): Correct error handling.
+
 2010-02-06  Vladimir Serbinenko  <phcoder@gmail.com>
 
 	* fs/i386/pc/pxe.c (grub_pxefs_dir): Return with failure on
diff --git a/disk/ieee1275/ofdisk.c b/disk/ieee1275/ofdisk.c
index 051ece0b9..238cff33d 100644
--- a/disk/ieee1275/ofdisk.c
+++ b/disk/ieee1275/ofdisk.c
@@ -248,7 +248,7 @@ grub_ofdisk_read (grub_disk_t disk, grub_disk_addr_t sector,
 		       (long long) sector);
   grub_ieee1275_read ((grub_ieee1275_ihandle_t) (unsigned long) disk->data,
 		      buf, size * 512UL, &actual);
-  if (actual != actual)
+  if (actual != (grub_ssize_t) (size * 512UL))
     return grub_error (GRUB_ERR_READ_ERROR, "read error on block: %llu",
 		       (long long) sector);