Signed-off-by: Serge Ziryukin <ftrvxm...@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();
--
1.7.1
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