fix(win_split_ins): do not fail when oldwin is not valid

Ref #14240

2 files changed, 3 insertions, 14 deletions

diff --git a/src/nvim/quickfix.c b/src/nvim/quickfix.c
index bddbd04af9..edd4d17e67 100644
--- a/src/nvim/quickfix.c
+++ b/src/nvim/quickfix.c
@@ -3646,15 +3646,6 @@ static int qf_open_new_cwindow(qf_info_T *qi, int height)
   if (win_split(height, flags) == FAIL) {
     return FAIL;  // not enough room for window
   }
-
-  // User autocommands may have invalidated the previous window after calling
-  // win_split, so add a check to ensure that the win is still here
-  if (IS_LL_STACK(qi) && !win_valid(win)) {
-    // close the window that was supposed to be for the loclist
-    win_close(curwin, false, false);
-    return FAIL;
-  }
-
   RESET_BINDING(curwin);
 
   if (IS_LL_STACK(qi)) {
diff --git a/src/nvim/window.c b/src/nvim/window.c
index d5299202b0..faf4b117f4 100644
--- a/src/nvim/window.c
+++ b/src/nvim/window.c
@@ -1420,13 +1420,11 @@ int win_split_ins(int size, int flags, win_T *new_wp, int dir)
     p_wh = i;
   }
 
-  if (!win_valid(oldwin)) {
-    return FAIL;
+  if (win_valid(oldwin)) {
+    // Send the window positions to the UI
+    oldwin->w_pos_changed = true;
   }
 
-  // Send the window positions to the UI
-  oldwin->w_pos_changed = true;
-
   return OK;
 }