Re: [PATCH] scsi: sg: allocate with __GFP_ZERO in sg_build_indirect()

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Subject: Re: [PATCH] scsi: sg: allocate with __GFP_ZERO in sg_build_indirect()
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Fri, 18 May 2018 09:15:52 -0700
Cc: jthumshirn@xxxxxxx, jejb@xxxxxxxxxxxxxxxxxx, dgilbert@xxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, stable@xxxxxxxxxxxxxxx, linux-scsi@xxxxxxxxxxxxxxx, dvyukov@xxxxxxxxxx, hare@xxxxxxxx, torvalds@xxxxxxxxxxxxxxxxxxxx
In-reply-to: <20180518142318.200260-1-glider@google.com>
User-agent: Mutt/1.9.2 (2017-12-15)

On Fri, May 18, 2018 at 04:23:18PM +0200, Alexander Potapenko wrote:
> This shall help avoid copying uninitialized memory to the userspace
> when calling ioctl(fd, SG_IO) with an empty command.

Looks good,

Reviewed-by: Christoph Hellwig <hch@xxxxxx>

References:
- [PATCH] scsi: sg: allocate with __GFP_ZERO in sg_build_indirect()
  - From: Alexander Potapenko

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