btrfs: fix get_root key comparison failures due to endianness

* grub-core/fs/btrfs.c (get_root): Convert
GRUB_BTRFS_ROOT_VOL_OBJECTID to little-endian.

diff --git a/ChangeLog b/ChangeLog
index d613bf6aeada284bfc21cd8543144f2c5724829d..6eca73e35684b41092a906290a2507b8aa87e463 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2014-03-31  Thomas Falcon <tlfalcon@linux.vnet.ibm.com>
+
+       btrfs: fix get_root key comparison failures due to endianness
+
+       * grub-core/fs/btrfs.c (get_root): Convert
+       GRUB_BTRFS_ROOT_VOL_OBJECTID to little-endian.
+
 2014-03-31  Colin Watson  <cjwatson@ubuntu.com>
 
        Fix partmap, cryptodisk, and abstraction handling in grub-mkconfig.

diff --git a/grub-core/fs/btrfs.c b/grub-core/fs/btrfs.c
index 89666b6fd593b417ca1e6d0c76c6ac7c4b0dbd11..f7b6c1520371cb16c22ff9aae60f462d26223758 100644 (file)
--- a/grub-core/fs/btrfs.c
+++ b/grub-core/fs/btrfs.c
@@ -1201,7 +1201,7 @@ get_root (struct grub_btrfs_data *data, struct grub_btrfs_key *key,
   struct grub_btrfs_key key_out, key_in;
   struct grub_btrfs_root_item ri;
 
-  key_in.object_id = GRUB_BTRFS_ROOT_VOL_OBJECTID;
+  key_in.object_id = grub_cpu_to_le64_compile_time (GRUB_BTRFS_ROOT_VOL_OBJECTID);
   key_in.offset = 0;
   key_in.type = GRUB_BTRFS_ITEM_TYPE_ROOT_ITEM;
   err = lower_bound (data, &key_in, &key_out,