device.c, #1/19, can 'break' here, because 'wl' is NULL

src/frontend/device.c

@@ -1176,13 +1176,15 @@ com_alter_common(wordlist *wl, int do_model)
                 wl_splice(wl, wl2);
                 wl = NULL;
             }
-        } else {
+            break;
+        }
+
         /* deal with 'altermod m1 vth0=0.7' by moving
-               forward beyond 'm1' */
+         *  forward beyond 'm1'
+         */
         wl = wl->wl_next;
         step++;
     }
-    }
 
     if (eqfound) {
         /* step back in the wordlist, if we have moved forward, to catch 'm1' */