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Fix IAR warnings.

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Pa039 : use of address of unaligned structure member.
Pe188: enumerated type mixed with another type.
This commit is contained in:
Mengsk
2020-06-16 14:13:30 +02:00
parent 8a67f81397
commit 57b553e023
4 changed files with 14 additions and 10 deletions
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6
src/class/msc/msc_device.c
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@@ -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);
}