Common/cmd_nvedit: Check for env subcommand

[platform/kernel/u-boot.git] / common / cmd_nvedit.c

diff --git a/common/cmd_nvedit.c b/common/cmd_nvedit.c
index 3fd8abc..52c5e7c 100644 (file)
--- 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++;