linux-kernel - [PATCH] input: Silence 'unused variable' warning in iforce joystick driver

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Date:	Fri, 31 Aug 2007 00:13:12 +0200
From:	Jesper Juhl <jesper.juhl@...il.com>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Vojtech Pavlik <vojtech@....cz>,
	Johann Deneux <johann.deneux@...il.com>, dtor@...l.ru,
	linux-input@...ey.karlin.mff.cuni.cz,
	linux-joystick@...ey.karlin.mff.cuni.cz,
	Jesper Juhl <jesper.juhl@...il.com>
Subject: [PATCH] input: Silence 'unused variable' warning in iforce joystick driver

In the iforce driver we currently get this warning

 drivers/input/joystick/iforce/iforce-packets.c: In function 'iforce_get_id_packet':
 drivers/input/joystick/iforce/iforce-packets.c:249: warning: unused variable 'status'

if CONFIG_JOYSTICK_IFORCE_USB is not defined.

The warning is easy to avoid by simply moving the variable inside 
the only case in the switch that actually use it.


Signed-off-by: Jesper Juhl <jesper.juhl@...il.com>
---

diff --git a/drivers/input/joystick/iforce/iforce-packets.c b/drivers/input/joystick/iforce/iforce-packets.c
index 3154ccd..48d4a86 100644
--- a/drivers/input/joystick/iforce/iforce-packets.c
+++ b/drivers/input/joystick/iforce/iforce-packets.c
@@ -246,13 +246,12 @@ void iforce_process_packet(struct iforce *iforce, u16 cmd, unsigned char *data)
 
 int iforce_get_id_packet(struct iforce *iforce, char *packet)
 {
-	int status;
-
 	switch (iforce->bus) {
 
 	case IFORCE_USB:
-
 #ifdef CONFIG_JOYSTICK_IFORCE_USB
+		int status;
+
 		iforce->cr.bRequest = packet[0];
 		iforce->ctrl->dev = iforce->usbdev;
 


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