X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=fs%2Fxfs%2Fxfs_rtalloc.c;h=c130d4259fece54ba204283ac460e5520ecc72c2;hb=9bf4aaab3e101692164d49b7ca357651eb691cb6;hp=524d8b211e8d0e40de5a34f280563c07bb805c35;hpb=db216c3d5e4c040e557a50f8f5d35d5c415e8c1c;p=linux-2.6.git

diff --git a/fs/xfs/xfs_rtalloc.c b/fs/xfs/xfs_rtalloc.c
index 524d8b211..c130d4259 100644
--- a/fs/xfs/xfs_rtalloc.c
+++ b/fs/xfs/xfs_rtalloc.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000-2002 Silicon Graphics, Inc.  All Rights Reserved.
+ * Copyright (c) 2000-2004 Silicon Graphics, Inc.  All Rights Reserved.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of version 2 of the GNU General Public License as
@@ -100,7 +100,9 @@ STATIC int
 xfs_lowbit32(
 	__uint32_t	v)
 {
-	return ffs(v)-1;
+	if (v)
+		return ffs(v) - 1;
+	return -1;
 }
 
 /*