usb: gadget: tcm_usb_gadget: stop format strings

This makes sure that the name coming out of configfs cannot be used
accidentally as a format string.

Signed-off-by: Kees Cook <keescook@chromium.org>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/usb/gadget/tcm_usb_gadget.c b/drivers/usb/gadget/tcm_usb_gadget.c
index 0f8aad78b54f..460c266b8e24 100644
--- a/drivers/usb/gadget/tcm_usb_gadget.c
+++ b/drivers/usb/gadget/tcm_usb_gadget.c
@@ -1613,7 +1613,7 @@ static struct se_wwn *usbg_make_tport(
                 return ERR_PTR(-ENOMEM);
         }
         tport->tport_wwpn = wwpn;
-        snprintf(tport->tport_name, sizeof(tport->tport_name), wnn_name);
+        snprintf(tport->tport_name, sizeof(tport->tport_name), "%s", wnn_name);
         return &tport->tport_wwn;
 }