From 56d53ec2a1874455bfb26fc1c9dc2b23a30b91aa Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Ekl=C3=B6f?= <daniel@ekloef.se>
Date: Mon, 4 May 2020 20:49:28 +0200
Subject: [PATCH] term: don't register ptmx with FDM if we're shutting down

This can happen when there's an error instantiating the
terminal *after* we've spawned the slave process.
---
 terminal.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/terminal.c b/terminal.c
index 35ad71c0..44046f1c 100644
--- a/terminal.c
+++ b/terminal.c
@@ -957,8 +957,10 @@ void
 term_window_configured(struct terminal *term)
 {
     /* Enable ptmx FDM callback */
-    assert(term->window->is_configured);
-    fdm_add(term->fdm, term->ptmx, EPOLLIN, &fdm_ptmx, term);
+    if (!term->is_shutting_down) {
+        assert(term->window->is_configured);
+        fdm_add(term->fdm, term->ptmx, EPOLLIN, &fdm_ptmx, term);
+    }
 }
 
 static bool