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check max_len for vendor and hid

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This commit is contained in:
hathach
2020-05-28 14:44:26 +07:00
parent fb214f7cf7
commit 53b749fd72
2 changed files with 8 additions and 4 deletions
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5
src/class/vendor/vendor_device.c vendored
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@@ -170,6 +170,9 @@ uint16_t vendord_open(uint8_t rhport, tusb_desc_interface_t const * itf_desc, ui
{
TU_VERIFY(TUSB_CLASS_VENDOR_SPECIFIC == itf_desc->bInterfaceClass, 0);
uint16_t const drv_len = sizeof(tusb_desc_interface_t) + itf_desc->bNumEndpoints*sizeof(tusb_desc_endpoint_t);
TU_VERIFY(max_len >= drv_len, 0);
// Find available interface
vendord_interface_t* p_vendor = NULL;
for(uint8_t i=0; i<CFG_TUD_VENDOR; i++)
@@ -194,7 +197,7 @@ uint16_t vendord_open(uint8_t rhport, tusb_desc_interface_t const * itf_desc, ui
TU_BREAKPOINT();
}
return sizeof(tusb_desc_interface_t) + itf_desc->bNumEndpoints*sizeof(tusb_desc_endpoint_t);
return drv_len;
}
bool vendord_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint32_t xferred_bytes)