From 8c532a9ea8a0bb2ee93d772c9589d1a84afeb541 Mon Sep 17 00:00:00 2001
From: zeertzjq <zeertzjq@outlook.com>
Date: Tue, 22 Oct 2024 16:10:15 +0800
Subject: fix(options): fix 'winhl' still accepting invalid value (#30896)

---
 src/nvim/option.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src')

diff --git a/src/nvim/option.c b/src/nvim/option.c
index 2e6d317778..89753f7cf8 100644
--- a/src/nvim/option.c
+++ b/src/nvim/option.c
@@ -1853,6 +1853,9 @@ bool parse_winhl_opt(win_T *wp)
       return false;
     }
     int hl_id_link = nlen ? syn_check_group(p, nlen) : 0;
+    if (hl_id_link == 0) {
+      return false;
+    }
 
     HlAttrs attrs = HLATTRS_INIT;
     attrs.rgb_ae_attr |= HL_GLOBAL;
-- 
cgit