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| author | Thomas Weber <weber@corscience.de> | 2010-11-24 13:07:52 +0100 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2010-11-27 23:35:13 +0100 |
| commit | 5904da021449c6d2404485dc1379bf0f3b33414a (patch) | |
| tree | 6907c6c786b736cd371746a3c7b9d0896f96d351 | |
| parent | 49e38030fecc1142699034fba0fb06911164170e (diff) | |
| download | u-boot-imx-5904da021449c6d2404485dc1379bf0f3b33414a.zip u-boot-imx-5904da021449c6d2404485dc1379bf0f3b33414a.tar.gz u-boot-imx-5904da021449c6d2404485dc1379bf0f3b33414a.tar.bz2 | |
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.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/common/cmd_nvedit.c b/common/cmd_nvedit.c index 3fd8abc..52c5e7c 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++; |