Re: [PATCH] mm, swap: Potential NULL dereference in get_swap_page_of_type()

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To: Daniel Jordan <daniel.m.jordan@xxxxxxxxxx>
Subject: Re: [PATCH] mm, swap: Potential NULL dereference in get_swap_page_of_type()
From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Date: Mon, 14 Jan 2019 11:43:10 +0300
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Shaohua Li <shli@xxxxxxxxxx>, Huang Ying <ying.huang@xxxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>, Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>, Omar Sandoval <osandov@xxxxxx>, Tejun Heo <tj@xxxxxxxxxx>, Andi Kleen <ak@xxxxxxxxxxxxxxx>, linux-mm@xxxxxxxxx, kernel-janitors@xxxxxxxxxxxxxxx, andrea.parri@xxxxxxxxxxxxxxxxxxxx
In-reply-to: <20190111174128.oak64htbntvp7j6y@ca-dmjordan1.us.oracle.com>
References: <20190111095919.GA1757@kadam> <20190111174128.oak64htbntvp7j6y@ca-dmjordan1.us.oracle.com>
User-agent: Mutt/1.9.4 (2018-02-28)

I'm really terribly ignorant when it comes to things like this...  To me
it looked like the barrier in alloc_swap_info() was enough but when so
many smarter people disagree then I must be wrong.  I'd like to help,
but I sort of feel unqualified.

Could someone else take care of it?

regards,
dan carpenter

Follow-Ups:
- Re: [PATCH] mm, swap: Potential NULL dereference in get_swap_page_of_type()
  - From: Daniel Jordan

References:
- [PATCH] mm, swap: Potential NULL dereference in get_swap_page_of_type()
  - From: Dan Carpenter
- Re: [PATCH] mm, swap: Potential NULL dereference in get_swap_page_of_type()
  - From: Daniel Jordan

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