diff options
Diffstat (limited to 'examples/device')
| -rw-r--r-- | examples/device/mtp/src/mtp_fs_example.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/examples/device/mtp/src/mtp_fs_example.c b/examples/device/mtp/src/mtp_fs_example.c index 3ae63173c..5f56ca24d 100644 --- a/examples/device/mtp/src/mtp_fs_example.c +++ b/examples/device/mtp/src/mtp_fs_example.c @@ -351,9 +351,10 @@ static int32_t fs_get_device_info(tud_mtp_cb_data_t* cb_data) { mtp_container_add_cstring(io_container, DEV_INFO_MODEL); mtp_container_add_cstring(io_container, DEV_INFO_VERSION); - uint16_t serial_utf16[32]; - size_t nchars = board_usb_get_serial(serial_utf16, 32); - serial_utf16[tu_min32(nchars, 31u)] = 0; // ensure null termination + enum { MAX_SERIAL_NCHARS = 32 }; + uint16_t serial_utf16[MAX_SERIAL_NCHARS+1]; + size_t nchars = board_usb_get_serial(serial_utf16, MAX_SERIAL_NCHARS); + serial_utf16[tu_min32(nchars, MAX_SERIAL_NCHARS)] = 0; // ensure null termination mtp_container_add_string(io_container, serial_utf16); tud_mtp_data_send(io_container); |