linux-kernel - Re: [PATCH v3] scsi: fc: check for rport presence in fc_block_scsi

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Message-ID: <yq1wp41edpx.fsf@oracle.com>
Date:   Wed, 11 Oct 2017 14:33:46 -0400
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     Johannes Thumshirn <jthumshirn@...e.de>
Cc:     "Martin K . Petersen" <martin.petersen@...cle.com>,
        Linux Kernel Mailinglist <linux-kernel@...r.kernel.org>,
        Linux SCSI Mailinglist <linux-scsi@...r.kernel.org>
Subject: Re: [PATCH v3] scsi: fc: check for rport presence in fc_block_scsi_eh


Johannes,

> Coverity-scan recently found a possible NULL pointer dereference in
> fc_block_scsi_eh() as starget_to_rport() either returns the rport for
> the startget or NULL.
>
> While it is rather unlikely to have fc_block_scsi_eh() called without
> an rport associated it's a good idea to catch potential misuses of the
> API gracefully.

Applied to 4.14/scsi-fixes. Thanks!

-- 
Martin K. Petersen	Oracle Linux Engineering