Re: [PATCH -next] dm cache: fix error return code in cache_create()

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Subject: Re: [PATCH -next] dm cache: fix error return code in cache_create()
From: Alasdair G Kergon <agk@xxxxxxxxxx>
Date: Thu, 25 Apr 2013 21:30:36 +0100
Cc: linux-raid@xxxxxxxxxxxxxxx, yongjun_wei@xxxxxxxxxxxxxxxxx, dm-devel@xxxxxxxxxx, agk@xxxxxxxxxx
In-reply-to: <CAPgLHd8twedhKj8MNkCyHKTEtV421_251Ot-zm-=boCJZ5nc9w@mail.gmail.com>
Mail-followup-to: Wei Yongjun <weiyj.lk@xxxxxxxxx>, agk@xxxxxxxxxx, neilb@xxxxxxx, yongjun_wei@xxxxxxxxxxxxxxxxx, dm-devel@xxxxxxxxxx, linux-raid@xxxxxxxxxxxxxxx
Organization: Red Hat UK Ltd. Registered in England and Wales, number 03798903. Registered Office: 64 Baker Street, 4th floor, London, W1U 7DF.
References: <CAPgLHd8twedhKj8MNkCyHKTEtV421_251Ot-zm-=boCJZ5nc9w@mail.gmail.com>
Reply-to: device-mapper development <dm-devel@xxxxxxxxxx>
User-agent: Mutt/1.5.18 (2008-05-17)

On Fri, Apr 19, 2013 at 01:11:30PM +0800, Wei Yongjun wrote:
> Fix to return -ENOMEM in the memory alloc error handing
> cases instead of 0, as done elsewhere in this function.
 
Otherwise it dereferences a NULL pointer...

Queued.

Alasdair

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References:
- [PATCH -next] dm cache: fix error return code in cache_create()
  - From: Wei Yongjun

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