On 02/17/2017 10:35 AM, Johannes Thumshirn wrote:
> On 02/17/2017 09:23 AM, Hannes Reinecke wrote:
>> +struct scsiio_tracker *
>> +mpt3sas_get_st_from_smid(struct MPT3SAS_ADAPTER *ioc, u16 smid)
>> +{
>> + WARN_ON(!smid);
>> + WARN_ON(smid >= ioc->hi_priority_smid);
>> + return &ioc->scsi_lookup[smid - 1];
>> +}
>
> Hmm if smid == 0 we'd be accessing &ioc->scsi_lookup[-1] and that's an
> array out of bounds.
>
> In patch 9/11 you'll get a unique tag of -2 (which is _not_ SCSI_NO_TAG)
Of cause not you'll get -1 and this is SCSI_NO_TAG.
Not my day...
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Johannes Thumshirn Storage
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