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hathach
2021-10-17 16:26:27 +07:00
parent 0b249618b0
commit a5f516893b
34 changed files with 70 additions and 48 deletions
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5
src/host/usbh.c
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@@ -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);