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Fix missing byte order conversion in get_btrfs_fs_prefix function

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Since btrfs on-disk format uses little-endian, the searched item types
(ROOT_REF, INODE_REF) need converting the byte order in order to
function properly on big-endian systems.
This commit is contained in:
Michael Chang 2015-06-22 16:45:27 +08:00 committed by Andrei Borzenkov
parent c058e85615
commit 7a210304eb
1 changed files with 3 additions and 3 deletions
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6
grub-core/osdep/linux/getroot.c
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@ -316,9 +316,9 @@ get_btrfs_fs_prefix (const char *mount_path)
tree_id = sargs.buf[2]; tree_id = sargs.buf[2];
br = (struct grub_btrfs_root_backref *) (sargs.buf + 4); br = (struct grub_btrfs_root_backref *) (sargs.buf + 4);
inode_id = br->inode_id; inode_id = grub_le_to_cpu64 (br->inode_id);
name = br->name; name = br->name;
namelen = br->n; namelen = grub_le_to_cpu16 (br->n);
} }
else else
{ {
@ -345,7 +345,7 @@ get_btrfs_fs_prefix (const char *mount_path)
ir = (struct grub_btrfs_inode_ref *) (sargs.buf + 4); ir = (struct grub_btrfs_inode_ref *) (sargs.buf + 4);
name = ir->name; name = ir->name;
namelen = ir->n; namelen = grub_le_to_cpu16 (ir->n);
} }
old = ret; old = ret;
ret = xmalloc (namelen + (old ? strlen (old) : 0) + 2); ret = xmalloc (namelen + (old ? strlen (old) : 0) + 2);