linux-kernel - [PATCH] USB: option: Remove unused variable

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Date:	Mon, 13 Jul 2009 21:45:03 +0200
From:	"Carlos R. Mafra" <crmafra@....mpg.de>
To:	linux-kernel@...r.kernel.org
Cc:	Alan Stern <stern@...land.harvard.edu>,
	Greg Kroah-Hartman <gregkh@...e.de>
Subject: [PATCH] USB: option: Remove unused variable 

>From f600eacfbca47d286e549d1be36bf07b9e2479e2 Mon Sep 17 00:00:00 2001
From: Carlos R. Mafra <crmafra@....mpg.de>
Date: Mon, 13 Jul 2009 21:28:24 +0200
Subject: [PATCH] USB: option: Remove unused variable

After commit f092c240494f2d807401d93f95f683909b90af96 ("USB: option:
remove unnecessary and erroneous code") the variable 'serial' becomes
unused, as gcc-4.3.2 points out:

drivers/usb/serial/option.c: In function 'option_instat_callback':
drivers/usb/serial/option.c:834: warning: unused variable 'serial'
drivers/usb/serial/option.c: In function 'option_open':
drivers/usb/serial/option.c:930: warning: unused variable 'serial'

So I removed it.

Signed-off-by: Carlos R. Mafra <crmafra@....mpg.de>
---
 drivers/usb/serial/option.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 98262dd..77b9563 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -831,7 +831,6 @@ static void option_instat_callback(struct urb *urb)
 	int status = urb->status;
 	struct usb_serial_port *port =  urb->context;
 	struct option_port_private *portdata = usb_get_serial_port_data(port);
-	struct usb_serial *serial = port->serial;
 
 	dbg("%s", __func__);
 	dbg("%s: urb %p port %p has data %p", __func__, urb, port, portdata);
@@ -927,7 +926,6 @@ static int option_open(struct tty_struct *tty,
 			struct usb_serial_port *port, struct file *filp)
 {
 	struct option_port_private *portdata;
-	struct usb_serial *serial = port->serial;
 	int i, err;
 	struct urb *urb;
 
-- 
1.6.2.4

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