diff options
Diffstat (limited to 'src/class/hid/hid_device.c')
| -rw-r--r-- | src/class/hid/hid_device.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/class/hid/hid_device.c b/src/class/hid/hid_device.c index 2a20bc173..526394d4a 100644 --- a/src/class/hid/hid_device.c +++ b/src/class/hid/hid_device.c @@ -194,7 +194,9 @@ uint16_t hidd_open(uint8_t rhport, tusb_desc_interface_t const * desc_itf, uint1 p_hid->boot_mode = false; // default mode is REPORT p_hid->itf_num = desc_itf->bInterfaceNumber; - memcpy(&p_hid->report_desc_len, &(p_hid->hid_descriptor->wReportLength), 2); + + // Use offsetof to avoid pointer to the odd/misaligned address + memcpy(&p_hid->report_desc_len, (uint8_t*) p_hid->hid_descriptor + offsetof(tusb_hid_descriptor_hid_t, wReportLength), 2); // Prepare for output endpoint if (p_hid->ep_out) |