diff --git a/fs/ocfs2/ioctl.c b/fs/ocfs2/ioctl.c
index ab30c005cc4bc3c08e9ecd8a4c04ee8ea95d604e..994726ada857c701f5fb4cb16949fef86d14cd13 100644
--- a/fs/ocfs2/ioctl.c
+++ b/fs/ocfs2/ioctl.c
@@ -402,7 +402,7 @@ static int ocfs2_info_handle_freeinode(struct inode *inode,
 static void o2ffg_update_histogram(struct ocfs2_info_free_chunk_list *hist,
 				   unsigned int chunksize)
 {
-	int index;
+	u32 index;
 
 	index = __ilog2_u32(chunksize);
 	if (index >= OCFS2_INFO_MAX_HIST)