linux-kernel - Re: [PATCH v2 2/3] USB: serial: make minor allocation dynamic

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Message-ID: <20130607095045.GL2566@localhost>
Date:	Fri, 7 Jun 2013 11:50:45 +0200
From:	Johan Hovold <jhovold@...il.com>
To:	Greg KH <gregkh@...uxfoundation.org>
Cc:	Tobias Winter <tobias@...uxdingsda.de>,
	Bjørn Mork <bjorn@...k.no>,
	Rob Landley <rob@...dley.net>,
	Johan Hovold <jhovold@...il.com>, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/3] USB: serial: make minor allocation dynamic

On Fri, Jun 07, 2013 at 11:40:25AM +0200, Johan Hovold wrote:
> On Thu, Jun 06, 2013 at 10:31:21AM -0700, Greg KH wrote:
> > From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> 
> [...]
> 
> >  /* Functions needed by other parts of the usbserial core */
> > -extern struct usb_serial *usb_serial_get_by_index(unsigned int minor);
> > +extern struct usb_serial_port *usb_serial_port_get_by_minor(unsigned int minor);
> 
> As Tobias already noted, this breaks the USB console driver. However, it
> looks like the call in that driver is not really needed and that
> therefore usb_serial_port_get_by_minor need not be exported at all.

Forget that last sentence. It is still needed, of course.

Johan
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