linux-kernel - Re: [PATCH] Fix reported kmemleak

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Message-ID: <20160612102902.GA16418@dhcp12-144.nay.redhat.com>
Date:	Sun, 12 Jun 2016 18:29:02 +0800
From:	Xiong Zhou <xzhou@...hat.com>
To:	Shaun Tancheff <shaun@...cheff.com>
Cc:	linux-block@...r.kernel.org, Christoph Hellwig <hch@....de>,
	axboe@...nel.dk, David Drysdale <drysdale@...gle.com>,
	Xiong Zhou <xzhou@...hat.com>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, linux-nvdimm@...1.01.org,
	Larry Finger <Larry.Finger@...inger.net>,
	Catalin Marinas <catalin.marinas@....com>,
	LKML <linux-kernel@...r.kernel.org>, Jens Axboe <axboe@...com>,
	bart.vanassche@...disk.com
Subject: Re: [PATCH] Fix reported kmemleak

Hi,

On Tue, Jun 07, 2016 at 11:23:30AM -0500, Shaun Tancheff wrote:
> This fixes a memory leak reported by a few people in 4.7-rc1
> 
> kmemleak report after 9082e87bfbf8 ("block: remove struct bio_batch")
> 
> This patch just formalizes the one in this discussion here:
> https://lkml.kernel.org/r/20160606112620.GA29910@e104818-lin.cambridge.arm.com
> 
> The same issue appears here:
> https://lkml.kernel.org/r/20160607102651.GA6480@dhcp12-144.nay.redhat.com
> 
> Patch is also available at:
> 
> https://github.com/stancheff/linux.git
> branch: v4.7-rc2+bio_put
> 
> Cc: Christoph Hellwig <hch@....de>
> Cc: axboe@...nel.dk
> cc: David Drysdale <drysdale@...gle.com>
> Cc: Xiong Zhou <xzhou@...hat.com>

Thanks for the information!

> Cc: Stephen Rothwell <sfr@...b.auug.org.au>
> Cc: linux-next@...r.kernel.org
> Cc: linux-nvdimm@...1.01.org
> Cc: Christoph Hellwig <hch@....de>
> Cc: Larry Finger <Larry.Finger@...inger.net>
> Cc: Catalin Marinas <catalin.marinas@....com>
> Cc: LKML <linux-kernel@...r.kernel.org>,
> Cc: Jens Axboe <axboe@...com>,
> Cc: bart.vanassche@...disk.com
> 
> Shaun Tancheff (1):
>   Missing bio_put following submit_bio_wait
> 
>  block/blk-lib.c | 12 +++++++++---
>  1 file changed, 9 insertions(+), 3 deletions(-)
> 
> -- 
> 2.8.1
>