Re: [PATCH] scsi: hisi_sas: add null check before indirect pointer dereference

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To: "Gustavo A. R. Silva" <garsilva@xxxxxxxxxxxxxx>
Subject: Re: [PATCH] scsi: hisi_sas: add null check before indirect pointer dereference
From: "Martin K. Petersen" <martin.petersen@xxxxxxxxxx>
Date: Tue, 23 May 2017 22:03:44 -0400
Cc: John Garry <john.garry@xxxxxxxxxx>, "James E.J. Bottomley" <jejb@xxxxxxxxxxxxxxxxxx>, "Martin K. Petersen" <martin.petersen@xxxxxxxxxx>, linux-scsi@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
In-reply-to: <20170522180029.GA19381@embeddedgus> (Gustavo A. R. Silva's message of "Mon, 22 May 2017 13:00:29 -0500")
Organization: Oracle Corporation
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.2 (gnu/linux)

Gustavo A.,

> Add null check before indirectly dereferencing pointer task->lldd_task
> in statement u32 tag = slot->idx;

Applied to 4.13/scsi-queue. Thanks!

-- 
Martin K. Petersen	Oracle Linux Engineering

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References:
- [PATCH] scsi: hisi_sas: add null check before indirect pointer dereference
  - From: Gustavo A. R. Silva

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