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change scsis status to phase error when total_bytes < block_count

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hathach 2021-09-30 20:14:23 +07:00
parent 14514d7087
commit 7708997a67
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1 changed files with 5 additions and 5 deletions
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10
src/class/msc/msc_device.c
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@ -182,15 +182,15 @@ uint8_t rdwr10_validate_cmd(msc_cbw_t const* cbw)
TU_LOG(MSC_DEBUG, " SCSI case 8 (Hi <> Do)\r\n");
status = MSC_CSW_STATUS_PHASE_ERROR;
}
else if ( !block_count )
else if ( 0 == block_count )
{
TU_LOG(MSC_DEBUG, " SCSI case 4 Hi > Dn\r\n");
TU_LOG(MSC_DEBUG, " SCSI case 4 Hi > Dn (READ10) or case 9 Ho > Dn (WRITE10) \r\n");
status = MSC_CSW_STATUS_FAILED;
}
else if ( SCSI_CMD_READ_10 == cbw->command[0] && cbw->total_bytes / block_count == 0)
else if ( cbw->total_bytes / block_count == 0 )
{
TU_LOG(MSC_DEBUG, " Computed block size 0\r\n");
status = MSC_CSW_STATUS_FAILED;
TU_LOG(MSC_DEBUG, " Computed block size = 0. SCSI case 7 Hi < Di (READ10) or case 13 Ho < Do (WRIT10)\r\n");
status = MSC_CSW_STATUS_PHASE_ERROR;
}
}