linux-kernel - Re: [PATCH] bfa: do not dereference port before it is null checked

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Message-ID: <yq1y43atxwg.fsf@sermon.lab.mkp.net>
Date:   Fri, 02 Sep 2016 06:10:39 -0400
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     Colin King <colin.king@...onical.com>
Cc:     Anil Gurumurthy <anil.gurumurthy@...gic.com>,
        Sudarsana Kalluru <sudarsana.kalluru@...gic.com>,
        "James E . J . Bottomley" <jejb@...ux.vnet.ibm.com>,
        "Martin K . Petersen" <martin.petersen@...cle.com>,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] bfa: do not dereference port before it is null checked

>>>>> "Colin" == Colin King <colin.king@...onical.com> writes:

Colin> port is deferenced before it is null sanity checked, hence we
Colin> potentially have a null pointer dereference bug. Instead,
Colin> initialise trl_enabled from port->fcs->bfa after we are sure port
Colin> is not null.

Applied to 4.9/scsi-queue.

-- 
Martin K. Petersen	Oracle Linux Engineering