Index: sys/kern/uipc_usrreq.c
===================================================================
--- sys/kern/uipc_usrreq.c
+++ sys/kern/uipc_usrreq.c
@@ -1100,8 +1100,7 @@
 		if (__predict_false(unp->unp_conn == NULL) ||
 			unp2->unp_socket == NULL) {
 			UNP_PCB_UNLOCK(unp);
-			if (unp_pcb_rele(unp2) == 0)
-				UNP_PCB_UNLOCK(unp2);
+			UNP_PCB_UNLOCK(unp2);
 			error = ENOTCONN;
 			break;
 		}