linux-kernel - [ 13/32] USB: whiteheat: fix broken port configuration

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Message-Id: <20130611200127.691921994@linuxfoundation.org>
Date:	Tue, 11 Jun 2013 13:03:12 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Johan Hovold <jhovold@...il.com>
Subject: [ 13/32] USB: whiteheat: fix broken port configuration

3.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Johan Hovold <jhovold@...il.com>

commit 9eecf22d2b375b9064a20421c6c307b760b03d46 upstream.

When configuring the port (e.g. set_termios) the port minor number
rather than the port number was used in the request (and they only
coincide for minor number 0).

Signed-off-by: Johan Hovold <jhovold@...il.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/usb/serial/whiteheat.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/usb/serial/whiteheat.c
+++ b/drivers/usb/serial/whiteheat.c
@@ -1154,7 +1154,7 @@ static void firm_setup_port(struct tty_s
 	struct whiteheat_port_settings port_settings;
 	unsigned int cflag = tty->termios->c_cflag;
 
-	port_settings.port = port->number + 1;
+	port_settings.port = port->number - port->serial->minor + 1;
 
 	/* get the byte size */
 	switch (cflag & CSIZE) {


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