[U-Boot] [PATCH] fastboot: avoid printing invalid data

[John Keeping]

There is no guarantee that commands are null-terminated in the USB
request buffer, so limit the length of data that is printed.

Signed-off-by: John Keeping <john at metanate.com>
---

 drivers/usb/gadget/f_fastboot.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/gadget/f_fastboot.c b/drivers/usb/gadget/f_fastboot.c
index 2160b1c..a020b7d 100644
--- a/drivers/usb/gadget/f_fastboot.c
+++ b/drivers/usb/gadget/f_fastboot.c
@@ -710,7 +710,7 @@ static void rx_handler_command(struct usb_ep *ep, struct usb_request *req)
 	}
 
 	if (!func_cb) {
-		error("unknown command: %s", cmdbuf);
+		error("unknown command: %.*s", req->actual, cmdbuf);
 		fastboot_tx_write_str("FAILunknown command");
 	} else {
 		if (req->actual < req->length) {
-- 
2.9.3.728.g30b24b4.dirty