linux-kernel - Re: [PATCH] IB/ucma: check workqueue allocation before usage

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Message-ID: <20150917225934.GA22326@obsidianresearch.com>
Date:	Thu, 17 Sep 2015 16:59:34 -0600
From:	Jason Gunthorpe <jgunthorpe@...idianresearch.com>
To:	Yishai Hadas <yishaih@....mellanox.co.il>
Cc:	Sasha Levin <sasha.levin@...cle.com>, dledford@...hat.com,
	sean.hefty@...el.com, hal.rosenstock@...il.com,
	linux-rdma@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] IB/ucma: check workqueue allocation before usage

On Thu, Sep 17, 2015 at 04:04:19PM -0400, Sasha Levin wrote:
> Allocating a workqueue might fail, which wasn't checked so far and would
> lead to NULL ptr derefs when an attempt to use it was made.

Indeed.

Yishai, please check this and check the other patches you've sent to
see if they have a similar error.

Jason
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