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authorThomas Weber <weber@corscience.de>2010-11-24 13:07:52 +0100
committerWolfgang Denk <wd@denx.de>2010-11-27 23:35:13 +0100
commit5904da021449c6d2404485dc1379bf0f3b33414a (patch)
tree6907c6c786b736cd371746a3c7b9d0896f96d351
parent49e38030fecc1142699034fba0fb06911164170e (diff)
downloadu-boot-linaro-natty-5904da021449c6d2404485dc1379bf0f3b33414a.tar.gz
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>
-rw-r--r--common/cmd_nvedit.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/common/cmd_nvedit.c b/common/cmd_nvedit.c
index 3fd8abc15..52c5e7c30 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++;