[PATCH] reiserfs: cleanups

Clean up several places where gcc issues warnings when -W is specified.
Thanks to Neil for finding that.

Signed-off-by: Vladimir V. Saveliev <vs@namesys.com>
Cc: Neil Brown <neilb@cse.unsw.edu.au>
Signed-off-by: Hans Reiser <reiser@namesys.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/linux/reiserfs_xattr.h b/include/linux/reiserfs_xattr.h
index 87280eb..5353afb 100644
--- a/include/linux/reiserfs_xattr.h
+++ b/include/linux/reiserfs_xattr.h
@@ -101,13 +101,13 @@
 #else
 
 #define is_reiserfs_priv_object(inode) 0
-#define reiserfs_mark_inode_private(inode)
+#define reiserfs_mark_inode_private(inode) do {;} while(0)
 #define reiserfs_getxattr NULL
 #define reiserfs_setxattr NULL
 #define reiserfs_listxattr NULL
 #define reiserfs_removexattr NULL
-#define reiserfs_write_lock_xattrs(sb)
-#define reiserfs_write_unlock_xattrs(sb)
+#define reiserfs_write_lock_xattrs(sb) do {;} while(0)
+#define reiserfs_write_unlock_xattrs(sb) do {;} while(0)
 #define reiserfs_read_lock_xattrs(sb)
 #define reiserfs_read_unlock_xattrs(sb)