pm9g45: fix compile warning

[karo-tx-uboot.git] / common / cmd_usb.c

diff --git a/common/cmd_usb.c b/common/cmd_usb.c
index ee3755c121cda7336c75e1e75679afd1694886b2..226ea0dacf1e6e752e18ca723b7e755c9e615b0e 100644 (file)
--- a/common/cmd_usb.c
+++ b/common/cmd_usb.c
@@ -349,7 +349,7 @@ void usb_show_tree(struct usb_device *dev)
  * usb boot command intepreter. Derived from diskboot
  */
 #ifdef CONFIG_USB_STORAGE
-int do_usbboot(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+int do_usbboot(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
        char *boot_device = NULL;
        char *ep;
@@ -376,8 +376,7 @@ int do_usbboot(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
                boot_device = argv[2];
                break;
        default:
-               cmd_usage(cmdtp);
-               return 1;
+               return cmd_usage(cmdtp);
        }
 
        if (!boot_device) {
@@ -506,7 +505,7 @@ int do_usbboot(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 /******************************************************************************
  * usb command intepreter
  */
-int do_usb(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+int do_usb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
 
        int i;
@@ -516,6 +515,9 @@ int do_usb(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
        block_dev_desc_t *stor_dev;
 #endif
 
+       if (argc < 2)
+               return cmd_usage(cmdtp);
+
        if ((strncmp(argv[1], "reset", 5) == 0) ||
                 (strncmp(argv[1], "start", 5) == 0)) {
                usb_stop();
@@ -694,8 +696,7 @@ int do_usb(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
                return 0;
        }
 #endif /* CONFIG_USB_STORAGE */
-       cmd_usage(cmdtp);
-       return 1;
+       return cmd_usage(cmdtp);
 }
 
 #ifdef CONFIG_USB_STORAGE
@@ -711,7 +712,7 @@ U_BOOT_CMD(
        "usb part [dev] - print partition table of one or all USB storage"
        " devices\n"
        "usb read addr blk# cnt - read `cnt' blocks starting at block `blk#'\n"
-       "    to memory address `addr'"
+       "    to memory address `addr'\n"
        "usb write addr blk# cnt - write `cnt' blocks starting at block `blk#'\n"
        "    from memory address `addr'"
 );