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cmd_usb.c: show cmd usage if no args given 

Signed-off-by: Serge Ziryukin <ftrvxmtrx@gmail.com>
This commit is contained in:
Serge Ziryukin 2010-04-25 21:32:36 +03:00 committed by Wolfgang Denk
parent e4a95d112e
commit 65d342541e
1 changed files with 5 additions and 0 deletions
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5
common/cmd_usb.c
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@ -516,6 +516,11 @@ int do_usb(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
block_dev_desc_t *stor_dev; block_dev_desc_t *stor_dev;
#endif #endif
if (argc < 2) {
cmd_usage(cmdtp);
return 1;
}
if ((strncmp(argv[1], "reset", 5) == 0) || if ((strncmp(argv[1], "reset", 5) == 0) ||
(strncmp(argv[1], "start", 5) == 0)) { (strncmp(argv[1], "start", 5) == 0)) {
usb_stop(); usb_stop();