From ada82b840f642681f8012cb2a46aa7577393dd30 Mon Sep 17 00:00:00 2001 From: Reinhard Panhuber Date: Sat, 20 Jun 2020 10:51:21 +0200 Subject: Get update from tinyusb. --- src/class/msc/msc_device.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'src/class/msc/msc_device.c') 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); } -- cgit v1.3.1