diff options
Diffstat (limited to 'src/class')
| -rw-r--r-- | src/class/hid/hid_device.c | 4 | ||||
| -rw-r--r-- | src/class/msc/msc_device.c | 6 |
2 files changed, 7 insertions, 3 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) diff --git a/src/class/msc/msc_device.c b/src/class/msc/msc_device.c index b038d00f7..3ddcd4e49 100644 --- a/src/class/msc/msc_device.c +++ b/src/class/msc/msc_device.c @@ -80,7 +80,8 @@ static inline uint32_t rdwr10_get_lba(uint8_t const command[]) // copy first to prevent mis-aligned access uint32_t lba; - memcpy(&lba, &p_rdwr10->lba, 4); + // use offsetof to avoid pointer to the odd/misaligned address + memcpy(&lba, (uint8_t*) p_rdwr10 + offsetof(scsi_write10_t, lba), 4); // lba is in Big Endian format return tu_ntohl(lba); @@ -93,7 +94,8 @@ static inline uint16_t rdwr10_get_blockcount(uint8_t const command[]) // copy first to prevent mis-aligned access uint16_t block_count; - memcpy(&block_count, &p_rdwr10->block_count, 2); + // use offsetof to avoid pointer to the odd/misaligned address + memcpy(&block_count, (uint8_t*) p_rdwr10 + offsetof(scsi_write10_t, block_count), 2); return tu_ntohs(block_count); } |