diff --git a/fs/jfs/jfs_dmap.c b/fs/jfs/jfs_dmap.c
index 5713994328cb..5f8a11dcd2d2 100644
--- a/fs/jfs/jfs_dmap.c
+++ b/fs/jfs/jfs_dmap.c
@@ -2892,7 +2892,6 @@ static void dbAdjTree(dmtree_t *tp, int leafno, int newval, bool is_ctl)
 		 * group containing the specified leaf (leafno).
 		 */
 		lp = ((lp - 1) & ~0x03) + 1;
-
 		/* get the index of the parent of this 4 leaf group.
 		 */
 		pp = (lp - 1) >> 2;
@@ -2911,6 +2910,10 @@ static void dbAdjTree(dmtree_t *tp, int leafno, int newval, bool is_ctl)
 		 */
 		tp->dmt_stree[pp] = max;
 
+		if (lp == 1) {
+			break;
+		}
+
 		/* parent becomes leaf for next go-round.
 		 */
 		lp = pp;