linux-kernel - Re: [PATCH] block: fix possible NULL dereference

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Message-ID: <56E19658.7000403@kernel.dk>
Date:	Thu, 10 Mar 2016 08:44:24 -0700
From:	Jens Axboe <axboe@...nel.dk>
To:	Sudip Mukherjee <sudipm.mukherjee@...il.com>,
	Jens Axboe <axboe@...com>
Cc:	linux-kernel@...r.kernel.org, linux-block@...r.kernel.org
Subject: Re: [PATCH] block: fix possible NULL dereference

On 03/10/2016 04:39 AM, Sudip Mukherjee wrote:
> We were checking for iter to be NULL after dereferencing it. Lets first
> check it and then use it.

Nobody calls it with iter == NULL, I think we should just kill the !iter 
check


-- 
Jens Axboe