=== modified file 'kern/disk.c'
--- kern/disk.c	2010-02-07 00:48:38 +0000
+++ kern/disk.c	2010-07-09 16:44:06 +0000
@@ -248,11 +248,16 @@ grub_disk_open (const char *name)
   if (! disk)
     return 0;
 
-  disk->name = grub_strdup (name);
+  p = find_part_sep (name);
+
+  if (p)
+    disk->name = grub_strndup (name, p - name);
+  else
+    disk->name = grub_strdup (name);
+
   if (! disk->name)
     goto fail;
 
-  p = find_part_sep (name);
   if (p)
     {
       grub_size_t len = p - name;