diff options
Diffstat (limited to 'arch/arm/cpu/psci.c')
| -rw-r--r-- | arch/arm/cpu/psci.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/arm/cpu/psci.c b/arch/arm/cpu/psci.c index 8c5043d83c..22ce1dfd0e 100644 --- a/arch/arm/cpu/psci.c +++ b/arch/arm/cpu/psci.c @@ -291,7 +291,10 @@ static int do_smc(int argc, char *argv[]) .a3 = 0xdeadbee3, }; - while ((opt = getopt(argc, argv, "nicz")) > 0) { + if (argc < 2) + return COMMAND_ERROR_USAGE; + + while ((opt = getopt(argc, argv, "nic")) > 0) { switch (opt) { case 'n': armv7_secure_monitor_install(); @@ -321,7 +324,6 @@ BAREBOX_CMD_HELP_TEXT("Options:") BAREBOX_CMD_HELP_OPT ("-n", "Install secure monitor and switch to nonsecure mode") BAREBOX_CMD_HELP_OPT ("-i", "Show information about installed PSCI version") BAREBOX_CMD_HELP_OPT ("-c", "Start secondary CPU core") -BAREBOX_CMD_HELP_OPT ("-z", "Turn off secondary CPU core") BAREBOX_CMD_HELP_END BAREBOX_CMD_START(smc) |