linux-kernel - Re: [build bug] Re: [PATCH 00/37] Input queue for 2.6.26 merge window

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Date:	Sun, 27 Apr 2008 00:07:17 -0400
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	linux-kernel@...r.kernel.org, jkosina@...e.cz,
	akpm@...ux-foundation.org
Subject: Re: [build bug] Re: [PATCH 00/37] Input queue for 2.6.26 merge
	window

Hi Ingo,

On Sat, Apr 26, 2008 at 03:24:34PM +0200, Ingo Molnar wrote:
> 
> >   Input: xpad - add support for wireless xbox360 controllers
> 
> via the commit above (99de0912) a build bug sneaked in:
> 
> drivers/input/joystick/xpad.c: In function 'xpad_probe':
> drivers/input/joystick/xpad.c:865: error: 'xpad_bulk_out' undeclared (first usein this function)
> drivers/input/joystick/xpad.c:865: error: (Each undeclared identifier is reported only once
> drivers/input/joystick/xpad.c:865: error: for each function it appears in.)
> 

Oops, sorry about that. The patch below should fix this problem.

-- 
Dmitry

Input: xpad - fix build failure

If both CONFIG_JOYSTICK_XPAD_FF and CONFIG_JOYSTICK_XPAD_LEDS are unset
xpad_bulk_out is not defined and build fails. Move it out of the #ifdef
block so it is always defined.

Reported-by: Ingo Molnar <mingo@...e.hu>
Signed-off-by: Dmitry Torokhov <dtor@...l.ru>
---
 drivers/input/joystick/xpad.c |   34 +++++++++++++++++-----------------
 1 file changed, 17 insertions(+), 17 deletions(-)

Index: work/drivers/input/joystick/xpad.c
===================================================================
--- work.orig/drivers/input/joystick/xpad.c
+++ work/drivers/input/joystick/xpad.c
@@ -444,6 +444,23 @@ exit:
 		     __FUNCTION__, retval);
 }
 
+static void xpad_bulk_out(struct urb *urb)
+{
+	switch (urb->status) {
+	case 0:
+		/* success */
+		break;
+	case -ECONNRESET:
+	case -ENOENT:
+	case -ESHUTDOWN:
+		/* this urb is terminated, clean up */
+		dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status);
+		break;
+	default:
+		dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status);
+	}
+}
+
 #if defined(CONFIG_JOYSTICK_XPAD_FF) || defined(CONFIG_JOYSTICK_XPAD_LEDS)
 static void xpad_irq_out(struct urb *urb)
 {
@@ -475,23 +492,6 @@ exit:
 		    __FUNCTION__, retval);
 }
 
-static void xpad_bulk_out(struct urb *urb)
-{
-	switch (urb->status) {
-	case 0:
-		/* success */
-		break;
-	case -ECONNRESET:
-	case -ENOENT:
-	case -ESHUTDOWN:
-		/* this urb is terminated, clean up */
-		dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status);
-		break;
-	default:
-		dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status);
-	}
-}
-
 static int xpad_init_output(struct usb_interface *intf, struct usb_xpad *xpad)
 {
 	struct usb_endpoint_descriptor *ep_irq_out;
--
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