From 98dc5e345be094bd9ac347a5fa9e4b2142e7a4f3 Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@redhat.com>
Date: Wed, 20 Mar 2013 15:07:45 +1100
Subject: [PATCH] argv_split-teach-it-to-handle-mutable-strings-fix-2

Cc: Andi Kleen <andi@firstfloor.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
 lib/argv_split.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/argv_split.c b/lib/argv_split.c
index cac7ec49e149..e927ed0e18a8 100644
--- a/lib/argv_split.c
+++ b/lib/argv_split.c
@@ -63,7 +63,7 @@ char **argv_split(gfp_t gfp, const char *str, int *argcp)
 	char **argv, **argv_ret;
 	int argc;
 
-	argv_str = kstrndup(str, KMALLOC_MAX_SIZE, gfp);
+	argv_str = kstrndup(str, KMALLOC_MAX_SIZE - 1, gfp);
 	if (!argv_str)
 		return NULL;
 
-- 
2.39.5