commit 0dac1ab5791819ee9a496273eea38f69a217ac45
author Yegappan Lakshmanan <yegappan@yahoo.com> Sat Apr 02 21:46:19 2022 +0100
committer Bram Moolenaar <Bram@vim.org> Sat Apr 02 21:46:19 2022 +0100
tree a2bb44a0706e1a71b70115646ea6864e142468fa
parent 5018a836c030988944a9bbe2fd2e538bf5261a72

patch 8.2.4668: buffer allocation failures insufficiently tested

Problem:    Buffer allocation failures insufficiently tested.
Solution:   Add tests for memory allocation failures. (Yegappan Lakshmanan,
            closes #10064)

src/window.c

diff --git a/src/window.c b/src/window.c
index 66dd099..78ce4d2 100644
--- a/src/window.c
+++ b/src/window.c
@@ -5256,10 +5256,13 @@
     void
 win_free_popup(win_T *win)
 {
-    if (bt_popup(win->w_buffer))
-	win_close_buffer(win, DOBUF_WIPE_REUSE, FALSE);
-    else
-	close_buffer(win, win->w_buffer, 0, FALSE, FALSE);
+    if (win->w_buffer != NULL)
+    {
+	if (bt_popup(win->w_buffer))
+	    win_close_buffer(win, DOBUF_WIPE_REUSE, FALSE);
+	else
+	    close_buffer(win, win->w_buffer, 0, FALSE, FALSE);
+    }
 # if defined(FEAT_TIMERS)
     if (win->w_popup_timer != NULL)
 	stop_timer(win->w_popup_timer);