From aca6dc50016bb6ebfe53b72dafca369ebcc99d29 Mon Sep 17 00:00:00 2001
From: Paul Burlumi <paul@burlumi.com>
Date: Tue, 19 Aug 2014 22:06:31 +0100
Subject: coverity/13749: fix negative array index read in
 unset_global_local_option

---
 src/nvim/option.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/nvim/option.c b/src/nvim/option.c
index 6428ef1eb3..943bda88dc 100644
--- a/src/nvim/option.c
+++ b/src/nvim/option.c
@@ -6516,10 +6516,13 @@ void comp_col(void)
 void unset_global_local_option(char *name, void *from)
 {
   struct vimoption *p;
-  int opt_idx;
   buf_T *buf = (buf_T *)from;
 
-  opt_idx = findoption((uint8_t *)name);
+  int opt_idx = findoption((uint8_t *)name);
+  if (opt_idx < 0) {
+    EMSG2(_("E355: Unknown option: %s"), name);
+    return;
+  }
   p = &(options[opt_idx]);
 
   switch ((int)p->indir)
-- 
cgit