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

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On Mon, 18 Jun 2012, Michal Nazarewicz wrote:

> From: Michal Nazarewicz <mina86@xxxxxxxxxx>
> 
> 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

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