linux-kernel - Re: [PATCH 1/6] scsi_dh: get module reference outside of device handler

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20141020065355.GA6675@lst.de>
Date:	Mon, 20 Oct 2014 08:53:55 +0200
From:	Christoph Hellwig <hch@....de>
To:	Hannes Reinecke <hare@...e.de>
Cc:	Mike Christie <michaelc@...wisc.edu>,
	Sean Stewart <Sean.Stewart@...app.com>,
	Bart Van Assche <bvanassche@....org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/6] scsi_dh: get module reference outside of device
	handler

On Mon, Oct 20, 2014 at 08:01:20AM +0200, Hannes Reinecke wrote:
> Is it guaranteed that you cannot call ->attach() for devices which
> already have a device_handler attached?
> You've skipped the case
> 
> scsi_dh != sdev->scsi_dh_data->scsi_dh

No.  Just instead of an if / else it's an if with an early return in the
new code.

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/