--- /n/sources/plan9/sys/src/9k/port/image.c	Thu Jan 27 13:38:26 2022
+++ /sys/src/9k/port/image.c	Mon Oct 26 00:00:00 2026
@@ -164,7 +164,7 @@
 		}
 		i->s = newseg(type, base, top);
 		i->s->image = i;
-		i->ref++;
+		incref(i);
 		poperror();
 	}
 	else
@@ -183,7 +183,7 @@
 		return;
 
 	lock(i);
-	if(--i->ref == 0) {
+	if(decref(i) == 0) {
 		l = &ihash(i->qid.path);
 		mkqid(&i->qid, ~0, ~0, QTFILE);
 		unlock(i);
--- /n/sources/plan9/sys/src/9k/port/segment.c	Wed Sep 13 12:26:57 2017
+++ /sys/src/9k/port/segment.c	Mon Oct 26 00:00:00 2026
@@ -66,8 +66,7 @@
 	else
 		lock(s);
 
-	s->ref--;
-	if(s->ref != 0) {
+	if(decref(s) != 0) {
 		unlock(s);
 		return;
 	}