From 5904da021449c6d2404485dc1379bf0f3b33414a Mon Sep 17 00:00:00 2001
From: Thomas Weber <weber@corscience.de>
Date: Wed, 24 Nov 2010 13:07:52 +0100
Subject: [PATCH] Common/cmd_nvedit: Check for env subcommand
The env command needs one subcommand. If this is not available
print the usage help.
Signed-off-by: Thomas Weber <weber@corscience.de>
---
common/cmd_nvedit.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/common/cmd_nvedit.c b/common/cmd_nvedit.c
index 3fd8abc157..52c5e7c30d 100644
--- a/common/cmd_nvedit.c
+++ b/common/cmd_nvedit.c
@@ -848,6 +848,9 @@ static int do_env (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
cmd_tbl_t *cp;
+ if (argc < 2)
+ return cmd_usage(cmdtp);
+
/* drop initial "env" arg */
argc--;
argv++;
--
2.39.5