From: nicm <nicm@openbsd.org>
Date: Wed, 21 Jun 2023 06:28:18 +0000 (+0000)
Subject: Check fdopen return value, from Christian Menges.
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=0b091dd3e43f8d193d16fbeaa249e595f821f060;p=openbsd

Check fdopen return value, from Christian Menges.
---

diff --git a/usr.bin/tmux/popup.c b/usr.bin/tmux/popup.c
index cafbc168c1c..b172f40267b 100644
--- a/usr.bin/tmux/popup.c
+++ b/usr.bin/tmux/popup.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: popup.c,v 1.49 2023/06/08 11:17:28 nicm Exp $ */
+/* $OpenBSD: popup.c,v 1.50 2023/06/21 06:28:18 nicm Exp $ */
 
 /*
  * Copyright (c) 2020 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -788,6 +788,8 @@ popup_editor(struct client *c, const char *buf, size_t len,
 	if (fd == -1)
 		return (-1);
 	f = fdopen(fd, "w");
+	if (f == NULL)
+		return (-1);
 	if (fwrite(buf, len, 1, f) != 1) {
 		fclose(f);
 		return (-1);