From 57b553e023ccac4c623bd7f57a7370fb43411ec1 Mon Sep 17 00:00:00 2001 From: Mengsk Date: Tue, 16 Jun 2020 14:13:30 +0200 Subject: Fix IAR warnings. Pa039 : use of address of unaligned structure member. Pe188: enumerated type mixed with another type. --- src/class/hid/hid_device.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'src/class/hid') 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) -- cgit v1.3.1