Signed-off-by: Serge Ziryukin ftrvxmtrx@gmail.com --- common/cmd_usb.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/common/cmd_usb.c b/common/cmd_usb.c index ee3755c..fcb5f76 100644 --- a/common/cmd_usb.c +++ b/common/cmd_usb.c @@ -516,6 +516,11 @@ int do_usb(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) block_dev_desc_t *stor_dev; #endif

+ if (argc < 2) { + cmd_usage(cmdtp); + return 1; + } + if ((strncmp(argv[1], "reset", 5) == 0) || (strncmp(argv[1], "start", 5) == 0)) { usb_stop();