linux-kernel - Re: [Bug #14894] pohmelfs: NULL pointer dereference

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Date:	Tue, 2 Feb 2010 22:21:09 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Evgeniy Polyakov <zbr@...emap.net>
Cc:	Jens Axboe <jens.axboe@...cle.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Kernel Testers List <kernel-testers@...r.kernel.org>,
	Alexander Beregalov <a.beregalov@...il.com>,
	GregKH <greg@...ah.com>
Subject: Re: [Bug #14894] pohmelfs: NULL pointer dereference

On Tuesday 02 February 2010, Evgeniy Polyakov wrote:
> Hi.
> 
> Sorry, it took really long to catch all the things around, but it is
> better than never.
> 
> History says that commit which introduced per-bdi writeback broke
> pohmelfs, since it does not have backing store device and did not fill
> appropriate superblock entry, which lead to crash on umoount.
> 
> Jens provided a patch below, which I tested to fix the problem.

Thanks, I've linked the Jens' patch to the bugzilla entry and marked the
bug as resolved.

Rafael
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