From 068b92b0512bb29e29d1c2aa76c0b29f788e45f6 Mon Sep 17 00:00:00 2001
From: nicm <nicm>
Date: Thu, 18 Jun 2020 08:41:56 +0000
Subject: [PATCH] The redraw callback could be fired with a NULL pane if it
 updates while in a mode, problem reported by Martin Vahlensieck.

---
 screen-write.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/screen-write.c b/screen-write.c
index 46ac967e..4c328ca2 100644
--- a/screen-write.c
+++ b/screen-write.c
@@ -103,7 +103,8 @@ screen_write_redraw_cb(const struct tty_ctx *ttyctx)
 {
 	struct window_pane	*wp = ttyctx->arg;
 
-	wp->flags |= PANE_REDRAW;
+	if (wp != NULL)
+		wp->flags |= PANE_REDRAW;
 }
 
 /* Update context for client. */