[PATCH] Refuse to install on XFS destroying its superblock

[Vladimir 'phcoder' Serbinenko]

-- 
Regards
Vladimir 'phcoder' Serbinenko
Personal git repository: http://repo.or.cz/w/grub2/phcoder.git 

diff --git a/ChangeLog b/ChangeLog
index b0864a9..a67fdfd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2009-10-16  Vladimir Serbinenko  <address@hidden>
+
+       * util/i386/pc/grub-setup.c (setup): Refuse to overwrite XFS superblock.
+
 2009-10-15  Vladimir Serbinenko  <address@hidden>
 
        * loader/i386/pc/xnu.c (grub_xnu_set_video): Fix loading splash image.
diff --git a/util/i386/pc/grub-setup.c b/util/i386/pc/grub-setup.c
index ccfbd1d..5181e58 100644
--- a/util/i386/pc/grub-setup.c
+++ b/util/i386/pc/grub-setup.c
@@ -205,6 +205,9 @@ setup (const char *dir,
   boot_img = grub_util_read_image (boot_path);
   free (boot_path);
 
+  if (memcmp (boot_img, "XFSB", 4) == 0)
+    grub_util_error ("Can't install on XFS.");
+
   /* Set the addresses of variables in the boot image.  */
   boot_drive = (grub_uint8_t *) (boot_img + GRUB_BOOT_MACHINE_BOOT_DRIVE);
   kernel_sector = (grub_disk_addr_t *) (boot_img