From 5ce84693d3ce28b07f7405210de05e983a6f250c Mon Sep 17 00:00:00 2001
From: Xiang Xiao <xiaoxiang@xiaomi.com>
Date: Mon, 20 Jul 2020 17:46:03 +0800
Subject: [PATCH] tools/mksyscall: Fix warning: '__builtin_strncpy' specified
 bound 256 equals destination size

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
---
 tools/mksyscall.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/mksyscall.c b/tools/mksyscall.c
index 5444d2bd78..4ad0b874f1 100644
--- a/tools/mksyscall.c
+++ b/tools/mksyscall.c
@@ -158,7 +158,7 @@ static void get_fieldname(const char *arg, char *fieldname)
            */
 
           pstart++;
-          strncpy(fieldname, pstart, MAX_PARMSIZE);
+          strncpy(fieldname, pstart, MAX_PARMSIZE - 1);
           return;
         }
     }