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Assure msc device block size is not zero

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This commit is contained in:
szymonh 2021-09-27 21:11:44 +02:00
parent 32bdf3b79d
commit db862ae725
1 changed files with 6 additions and 1 deletions
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7
src/class/msc/msc_device.c
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@ -1,4 +1,4 @@
/*
/*
* The MIT License (MIT)
*
* Copyright (c) 2019 Ha Thach (tinyusb.org)
@ -187,6 +187,11 @@ uint8_t rdwr10_validate_cmd(msc_cbw_t const* cbw)
TU_LOG(MSC_DEBUG, " SCSI case 4 Hi > Dn\r\n");
status = MSC_CSW_STATUS_FAILED;
}
else if ( SCSI_CMD_READ_10 == cbw->command[0] && cbw->total_bytes / block_count == 0)
{
TU_LOG(MSC_DEBUG, " Computed block size 0\r\n");
status = MSC_CSW_STATUS_FAILED;
}
}
return status;