From 514a51ef3e63362d9d96f23930bbde5cd8581da8 Mon Sep 17 00:00:00 2001
From: James McCoy <jamessan@jamessan.com>
Date: Mon, 15 Jan 2018 22:28:41 -0500
Subject: get_buffer_lines: Return a string, when requested, on invalid input

Closes #7859
---
 src/nvim/eval.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/nvim/eval.c b/src/nvim/eval.c
index b6767c3457..28c590c0b4 100644
--- a/src/nvim/eval.c
+++ b/src/nvim/eval.c
@@ -9259,7 +9259,9 @@ static void get_buffer_lines(buf_T *buf, linenr_T start, linenr_T end, int retli
   rettv->vval.v_string = NULL;
 
   if (buf == NULL || buf->b_ml.ml_mfp == NULL || start < 0 || end < start) {
-    tv_list_alloc_ret(rettv, 0);
+    if (retlist) {
+      tv_list_alloc_ret(rettv, 0);
+    }
     return;
   }
 
-- 
cgit