trezorhal/usb: fix string descriptors

7 years ago · 115bd995eb
parent 112893c46f
commit 115bd995eb
1 changed files with 2 additions and 2 deletions
--- a/embed/trezorhal/usb.c
+++ b/embed/trezorhal/usb.c
@ -200,12 +200,12 @@ static uint8_t *usb_get_serial_str_descriptor(USBD_SpeedTypeDef speed, uint16_t
 }

 static uint8_t *usb_get_config_str_descriptor(USBD_SpeedTypeDef speed, uint16_t *length) {
-    *length = 0;
+    USBD_GetString(UNCONST(""), usb_str_buf, length);
    return usb_str_buf;
 }

 static uint8_t *usb_get_interface_str_descriptor(USBD_SpeedTypeDef speed, uint16_t *length) {
-    *length = 0;
+    USBD_GetString(UNCONST(""), usb_str_buf, length);
    return usb_str_buf;
 }