xfs: clean up xfs_bmap_get_bp

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>

fs/xfs/xfs_bmap.c

@@ -5648,41 +5648,34 @@ xfs_bmap_eof(
 }
 
 #ifdef DEBUG
-STATIC
-xfs_buf_t *
+STATIC struct xfs_buf *
 xfs_bmap_get_bp(
-	xfs_btree_cur_t         *cur,
+	struct xfs_btree_cur	*cur,
 	xfs_fsblock_t		bno)
 {
-	int i;
-	xfs_buf_t *bp;
+	struct xfs_log_item_desc *lidp;
+	int			i;
 
 	if (!cur)
-		return(NULL);
+		return NULL;
 
-	bp = NULL;
-	for(i = 0; i < XFS_BTREE_MAXLEVELS; i++) {
-		bp = cur->bc_bufs[i];
-		if (!bp) break;
-		if (XFS_BUF_ADDR(bp) == bno)
-			break;	/* Found it */
+	for (i = 0; i < XFS_BTREE_MAXLEVELS; i++) {
+		if (!cur->bc_bufs[i])
+			break;
+		if (XFS_BUF_ADDR(cur->bc_bufs[i]) == bno)
+			return cur->bc_bufs[i];
 	}
-	if (i == XFS_BTREE_MAXLEVELS)
-		bp = NULL;
 
-	if (!bp) { /* Chase down all the log items to see if the bp is there */
-		struct xfs_log_item_desc *lidp;
+	/* Chase down all the log items to see if the bp is there */
+	list_for_each_entry(lidp, &cur->bc_tp->t_items, lid_trans) {
 		struct xfs_buf_log_item	*bip;
-
-		list_for_each_entry(lidp, &cur->bc_tp->t_items, lid_trans) {
-			bip = (struct xfs_buf_log_item *)lidp->lid_item;
-			if (bip->bli_item.li_type == XFS_LI_BUF &&
-			    XFS_BUF_ADDR(bip->bli_buf) == bno)
-				return bip->bli_buf;
-		}
+		bip = (struct xfs_buf_log_item *)lidp->lid_item;
+		if (bip->bli_item.li_type == XFS_LI_BUF &&
+		    XFS_BUF_ADDR(bip->bli_buf) == bno)
+			return bip->bli_buf;
 	}
 
-	return bp;
+	return NULL;
 }
 
 STATIC void