Re: [PATCH] mpt3sas: remove redundant copy_from_user in _ctl_getiocinfo

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To: Meng Xu <mengxu.gatech@xxxxxxxxx>
Subject: Re: [PATCH] mpt3sas: remove redundant copy_from_user in _ctl_getiocinfo
From: "Martin K. Petersen" <martin.petersen@xxxxxxxxxx>
Date: Mon, 25 Sep 2017 19:22:35 -0400
Cc: hch@xxxxxxxxxxxxx, sathya.prakash@xxxxxxxxxxxx, chaitra.basappa@xxxxxxxxxxxx, suganath-prabu.subramani@xxxxxxxxxxxx, jejb@xxxxxxxxxxxxxxxxxx, martin.petersen@xxxxxxxxxx, MPT-FusionLinux.pdl@xxxxxxxxxxxx, linux-scsi@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, meng.xu@xxxxxxxxxx, sanidhya@xxxxxxxxxx, taesoo@xxxxxxxxxx
In-reply-to: <1505920431-13173-1-git-send-email-mengxu.gatech@gmail.com> (Meng Xu's message of "Wed, 20 Sep 2017 11:13:51 -0400")
Organization: Oracle Corporation
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.3 (gnu/linux)

Meng,

> Since right after the user copy, we are going to
> memset(&karg, 0, sizeof(karg)), the copy_from_user is redundant

Applied to 4.15/scsi-queue. Thank you!

-- 
Martin K. Petersen	Oracle Linux Engineering

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References:
- [PATCH] mpt3sas: remove redundant copy_from_user in _ctl_getiocinfo
  - From: Meng Xu

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