X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;ds=sidebyside;f=drivers%2Fusb%2Fgadget%2Ff_fastboot.c;h=71b62e5005a12915a164acb74335b4cad6828e4b;hb=21008ad6384170767041f1608975473c5ffa7fc7;hp=3e1c0a9faf29a1aeebb90e466614a7e3760ab619;hpb=c674a6660e9934cf332bb007726997b1c3686bf1;p=u-boot

diff --git a/drivers/usb/gadget/f_fastboot.c b/drivers/usb/gadget/f_fastboot.c
index 3e1c0a9faf..71b62e5005 100644
--- a/drivers/usb/gadget/f_fastboot.c
+++ b/drivers/usb/gadget/f_fastboot.c
@@ -355,7 +355,7 @@ static void cb_getvar(struct usb_ep *ep, struct usb_request *req)
 		!strcmp_l1("max-download-size", cmd)) {
 		char str_num[12];
 
-		sprintf(str_num, "%08x", CONFIG_USB_FASTBOOT_BUF_SIZE);
+		sprintf(str_num, "0x%08x", CONFIG_USB_FASTBOOT_BUF_SIZE);
 		strncat(response, str_num, chars_left);
 	} else if (!strcmp_l1("serialno", cmd)) {
 		s = getenv("serial#");
@@ -546,7 +546,14 @@ static void rx_handler_command(struct usb_ep *ep, struct usb_request *req)
 		error("unknown command: %s\n", cmdbuf);
 		fastboot_tx_write_str("FAILunknown command");
 	} else {
-		func_cb(ep, req);
+		if (req->actual < req->length) {
+			u8 *buf = (u8 *)req->buf;
+			buf[req->actual] = 0;
+			func_cb(ep, req);
+		} else {
+			error("buffer overflow\n");
+			fastboot_tx_write_str("FAILbuffer overflow");
+		}
 	}
 
 	if (req->status == 0) {