diff options
Diffstat (limited to 'src/host')
| -rw-r--r-- | src/host/usbh.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/src/host/usbh.c b/src/host/usbh.c index 2ef936ad0..53e8b9715 100644 --- a/src/host/usbh.c +++ b/src/host/usbh.c @@ -894,11 +894,10 @@ static bool enum_get_9byte_config_desc_complete(uint8_t dev_addr, tusb_control_r TU_ASSERT(XFER_RESULT_SUCCESS == result); // TODO not enough buffer to hold configuration descriptor - tusb_desc_configuration_t const * desc_config = (tusb_desc_configuration_t const*) _usbh_ctrl_buf; - uint16_t total_len; + uint8_t const * desc_config = _usbh_ctrl_buf; // Use offsetof to avoid pointer to the odd/misaligned address - memcpy(&total_len, (uint8_t*) desc_config + offsetof(tusb_desc_configuration_t, wTotalLength), 2); + uint16_t const total_len = tu_le16toh( tu_unaligned_read16(desc_config + offsetof(tusb_desc_configuration_t, wTotalLength)) ); TU_ASSERT(total_len <= CFG_TUH_ENUMERATION_BUFSIZE); |