linux-kernel - Re: [PATCH 3/3] usb: gadget: mass_storage: require backing file for non-removable LUNs

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]

Date:	Mon, 18 Jun 2012 10:18:41 -0400 (EDT)
From:	Alan Stern <stern@...land.harvard.edu>
To:	Michal Nazarewicz <mpn@...gle.com>
cc:	Felipe Balbi <balbi@...com>, <linux-usb@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 3/3] usb: gadget: mass_storage: require backing file for
 non-removable LUNs

On Mon, 18 Jun 2012, Michal Nazarewicz wrote:

> From: Michal Nazarewicz <mina86@...a86.com>
> 
> The fsg_file_store() function does not check whether a LUN is removable or not
> allowing one to specify an empty file name for a non-removable LUN.  This
> commit adds explicit check of whether a file name is provided for
> non-removable LUNs.

Looks okay.  Note that in file_storage.c, the "file" attribute isn't 
writable if the LUN isn't removable, and the "ro" attribute isn't 
writable if the LUN is a cdrom.  Maybe you would prefer to do things 
that way instead.

Alan Stern

--
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/