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Merge pull request #153 from hathach/develop

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fix #152, potential memory issue
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hathach 2019-09-13 14:18:24 +07:00 committed by GitHub
commit da548abade
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1 changed files with 2 additions and 1 deletions
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src/device/usbd.c
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@ -435,8 +435,9 @@ static bool process_control_request(uint8_t rhport, tusb_control_request_t const
case TUSB_REQ_RCPT_INTERFACE: case TUSB_REQ_RCPT_INTERFACE:
{ {
uint8_t const itf = tu_u16_low(p_request->wIndex); uint8_t const itf = tu_u16_low(p_request->wIndex);
uint8_t const drvid = _usbd_dev.itf2drv[itf]; TU_VERIFY(itf < TU_ARRAY_SZIE(_usbd_dev.itf2drv));
uint8_t const drvid = _usbd_dev.itf2drv[itf];
TU_VERIFY(drvid < USBD_CLASS_DRIVER_COUNT); TU_VERIFY(drvid < USBD_CLASS_DRIVER_COUNT);
if (p_request->bmRequestType_bit.type == TUSB_REQ_TYPE_STANDARD) if (p_request->bmRequestType_bit.type == TUSB_REQ_TYPE_STANDARD)