Input: iforce - use usb_kill_urb instead of usb_unlink_urb

Using usb_unlink_urb can cause iforce_open to fail when called
soon after iforce_release. Also updated my email address and
replaced calls to printk() by dbg(), warn(), info(), err()...

Signed-off-by: Johann Deneux <johann.deneux@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

6 files changed, 33 insertions, 38 deletions

diff --git a/drivers/input/joystick/iforce/iforce-ff.c b/drivers/input/joystick/iforce/iforce-ff.c
index 8fb0c19..f2a4381 100644
--- a/drivers/input/joystick/iforce/iforce-ff.c
+++ b/drivers/input/joystick/iforce/iforce-ff.c
@@ -2,7 +2,7 @@
  * $Id: iforce-ff.c,v 1.9 2002/02/02 19:28:35 jdeneux Exp $
  *
  *  Copyright (c) 2000-2002 Vojtech Pavlik <vojtech@ucw.cz>
- *  Copyright (c) 2001-2002 Johann Deneux <deneux@ifrance.com>
+ *  Copyright (c) 2001-2002, 2007 Johann Deneux <johann.deneux@gmail.com>
  *
  *  USB/RS232 I-Force joysticks and wheels.
  */
@@ -205,7 +205,7 @@ static int need_condition_modifier(struct ff_effect *old, struct ff_effect *new)
 	int i;
 
 	if (new->type != FF_SPRING && new->type != FF_FRICTION) {
-		printk(KERN_WARNING "iforce.c: bad effect type in need_condition_modifier\n");
+		warn("bad effect type in need_condition_modifier");
 		return 0;
 	}
 
@@ -227,7 +227,7 @@ static int need_condition_modifier(struct ff_effect *old, struct ff_effect *new)
 static int need_magnitude_modifier(struct ff_effect *old, struct ff_effect *effect)
 {
 	if (effect->type != FF_CONSTANT) {
-		printk(KERN_WARNING "iforce.c: bad effect type in need_envelope_modifier\n");
+		warn("bad effect type in need_envelope_modifier");
 		return 0;
 	}
 
@@ -258,7 +258,7 @@ static int need_envelope_modifier(struct ff_effect *old, struct ff_effect *effec
 		break;
 
 	default:
-		printk(KERN_WARNING "iforce.c: bad effect type in need_envelope_modifier\n");
+		warn("bad effect type in need_envelope_modifier");
 	}
 
 	return 0;
@@ -271,7 +271,7 @@ static int need_envelope_modifier(struct ff_effect *old, struct ff_effect *effec
 static int need_period_modifier(struct ff_effect *old, struct ff_effect *new)
 {
 	if (new->type != FF_PERIODIC) {
-		printk(KERN_WARNING "iforce.c: bad effect type in need_period_modifier\n");
+		warn("bad effect type in need_period_modifier");
 		return 0;
 	}
 	return (old->u.periodic.period != new->u.periodic.period
diff --git a/drivers/input/joystick/iforce/iforce-main.c b/drivers/input/joystick/iforce/iforce-main.c
index 3393a37..bd5a6de 100644
--- a/drivers/input/joystick/iforce/iforce-main.c
+++ b/drivers/input/joystick/iforce/iforce-main.c
@@ -2,7 +2,7 @@
  * $Id: iforce-main.c,v 1.19 2002/07/07 10:22:50 jdeneux Exp $
  *
  *  Copyright (c) 2000-2002 Vojtech Pavlik <vojtech@ucw.cz>
- *  Copyright (c) 2001-2002 Johann Deneux <deneux@ifrance.com>
+ *  Copyright (c) 2001-2002, 2007 Johann Deneux <johann.deneux@gmail.com>
  *
  *  USB/RS232 I-Force joysticks and wheels.
  */
@@ -29,7 +29,7 @@
 
 #include "iforce.h"
 
-MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>, Johann Deneux <deneux@ifrance.com>");
+MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>, Johann Deneux <johann.deneux@gmail.com>");
 MODULE_DESCRIPTION("USB/RS232 I-Force joysticks and wheels driver");
 MODULE_LICENSE("GPL");
 
@@ -220,7 +220,7 @@ static void iforce_release(struct input_dev *dev)
 		/* Check: no effects should be present in memory */
 		for (i = 0; i < dev->ff->max_effects; i++) {
 			if (test_bit(FF_CORE_IS_USED, iforce->core_effects[i].flags)) {
-				printk(KERN_WARNING "iforce_release: Device still owns effects\n");
+				warn("iforce_release: Device still owns effects");
 				break;
 			}
 		}
@@ -232,7 +232,7 @@ static void iforce_release(struct input_dev *dev)
 	switch (iforce->bus) {
 #ifdef CONFIG_JOYSTICK_IFORCE_USB
 		case IFORCE_USB:
-			usb_unlink_urb(iforce->irq);
+			usb_kill_urb(iforce->irq);
 
 			/* The device was unplugged before the file
 			 * was released */
@@ -324,7 +324,7 @@ int iforce_init_device(struct iforce *iforce)
 			break;
 
 	if (i == 20) { /* 5 seconds */
-		printk(KERN_ERR "iforce-main.c: Timeout waiting for response from device.\n");
+		err("Timeout waiting for response from device.");
 		error = -ENODEV;
 		goto fail;
 	}
@@ -336,26 +336,26 @@ int iforce_init_device(struct iforce *iforce)
 	if (!iforce_get_id_packet(iforce, "M"))
 		input_dev->id.vendor = (iforce->edata[2] << 8) | iforce->edata[1];
 	else
-		printk(KERN_WARNING "iforce-main.c: Device does not respond to id packet M\n");
+		warn("Device does not respond to id packet M");
 
 	if (!iforce_get_id_packet(iforce, "P"))
 		input_dev->id.product = (iforce->edata[2] << 8) | iforce->edata[1];
 	else
-		printk(KERN_WARNING "iforce-main.c: Device does not respond to id packet P\n");
+		warn("Device does not respond to id packet P");
 
 	if (!iforce_get_id_packet(iforce, "B"))
 		iforce->device_memory.end = (iforce->edata[2] << 8) | iforce->edata[1];
 	else
-		printk(KERN_WARNING "iforce-main.c: Device does not respond to id packet B\n");
+		warn("Device does not respond to id packet B");
 
 	if (!iforce_get_id_packet(iforce, "N"))
 		ff_effects = iforce->edata[1];
 	else
-		printk(KERN_WARNING "iforce-main.c: Device does not respond to id packet N\n");
+		warn("Device does not respond to id packet N");
 
 	/* Check if the device can store more effects than the driver can really handle */
 	if (ff_effects > IFORCE_EFFECTS_MAX) {
-		printk(KERN_WARNING "iforce: Limiting number of effects to %d (device reports %d)\n",
+		warn("Limiting number of effects to %d (device reports %d)",
 		       IFORCE_EFFECTS_MAX, ff_effects);
 		ff_effects = IFORCE_EFFECTS_MAX;
 	}
@@ -457,8 +457,6 @@ int iforce_init_device(struct iforce *iforce)
 	if (error)
 		goto fail;
 
-	printk(KERN_DEBUG "iforce->dev->open = %p\n", iforce->dev->open);
-
 	return 0;
 
  fail:	input_free_device(input_dev);
diff --git a/drivers/input/joystick/iforce/iforce-packets.c b/drivers/input/joystick/iforce/iforce-packets.c
index 808f059..21c4e13 100644
--- a/drivers/input/joystick/iforce/iforce-packets.c
+++ b/drivers/input/joystick/iforce/iforce-packets.c
@@ -2,7 +2,7 @@
  * $Id: iforce-packets.c,v 1.16 2002/07/07 10:22:50 jdeneux Exp $
  *
  *  Copyright (c) 2000-2002 Vojtech Pavlik <vojtech@ucw.cz>
- *  Copyright (c) 2001-2002 Johann Deneux <deneux@ifrance.com>
+ *  Copyright (c) 2001-2002, 2007 Johann Deneux <johann.deneux@gmail.com>
  *
  *  USB/RS232 I-Force joysticks and wheels.
  */
@@ -39,10 +39,10 @@ void iforce_dump_packet(char *msg, u16 cmd, unsigned char *data)
 {
 	int i;
 
-	printk(KERN_DEBUG "iforce.c: %s ( cmd = %04x, data = ", msg, cmd);
+	printk(KERN_DEBUG __FILE__ ": %s cmd = %04x, data = ", msg, cmd);
 	for (i = 0; i < LO(cmd); i++)
 		printk("%02x ", data[i]);
-	printk(")\n");
+	printk("\n");
 }
 
 /*
@@ -65,8 +65,9 @@ int iforce_send_packet(struct iforce *iforce, u16 cmd, unsigned char* data)
 	head = iforce->xmit.head;
 	tail = iforce->xmit.tail;
 
+
 	if (CIRC_SPACE(head, tail, XMIT_SIZE) < n+2) {
-		printk(KERN_WARNING "iforce.c: not enough space in xmit buffer to send new packet\n");
+		warn("not enough space in xmit buffer to send new packet");
 		spin_unlock_irqrestore(&iforce->xmit_lock, flags);
 		return -1;
 	}
@@ -126,8 +127,6 @@ int iforce_control_playback(struct iforce* iforce, u16 id, unsigned int value)
 {
 	unsigned char data[3];
 
-printk(KERN_DEBUG "iforce-packets.c: control_playback %d %d\n", id, value);
-
 	data[0] = LO(id);
 	data[1] = (value > 0) ? ((value > 1) ? 0x41 : 0x01) : 0;
 	data[2] = LO(value);
@@ -151,7 +150,7 @@ static int mark_core_as_ready(struct iforce *iforce, unsigned short addr)
 			return 0;
 		}
 	}
-	printk(KERN_WARNING "iforce-packets.c: unused effect %04x updated !!!\n", addr);
+	warn("unused effect %04x updated !!!", addr);
 	return -1;
 }
 
@@ -162,7 +161,7 @@ void iforce_process_packet(struct iforce *iforce, u16 cmd, unsigned char *data)
 	static int being_used = 0;
 
 	if (being_used)
-		printk(KERN_WARNING "iforce-packets.c: re-entrant call to iforce_process %d\n", being_used);
+		warn("re-entrant call to iforce_process %d", being_used);
 	being_used++;
 
 #ifdef CONFIG_JOYSTICK_IFORCE_232
@@ -266,7 +265,7 @@ int iforce_get_id_packet(struct iforce *iforce, char *packet)
 			return -1;
 		}
 #else
-		printk(KERN_ERR "iforce_get_id_packet: iforce->bus = USB!\n");
+		err("iforce_get_id_packet: iforce->bus = USB!");
 #endif
 		break;
 
@@ -284,13 +283,12 @@ int iforce_get_id_packet(struct iforce *iforce, char *packet)
 			return -1;
 		}
 #else
-		printk(KERN_ERR "iforce_get_id_packet: iforce->bus = SERIO!\n");
+		err("iforce_get_id_packet: iforce->bus = SERIO!");
 #endif
 		break;
 
 	default:
-		printk(KERN_ERR "iforce_get_id_packet: iforce->bus = %d\n",
-		       iforce->bus);
+		err("iforce_get_id_packet: iforce->bus = %d", iforce->bus);
 		break;
 	}
 
diff --git a/drivers/input/joystick/iforce/iforce-serio.c b/drivers/input/joystick/iforce/iforce-serio.c
index ec4be53..7b4bc19 100644
--- a/drivers/input/joystick/iforce/iforce-serio.c
+++ b/drivers/input/joystick/iforce/iforce-serio.c
@@ -2,7 +2,7 @@
  * $Id: iforce-serio.c,v 1.4 2002/01/28 22:45:00 jdeneux Exp $
  *
  *  Copyright (c) 2000-2001 Vojtech Pavlik <vojtech@ucw.cz>
- *  Copyright (c) 2001 Johann Deneux <deneux@ifrance.com>
+ *  Copyright (c) 2001, 2007 Johann Deneux <johann.deneux@gmail.com>
  *
  *  USB/RS232 I-Force joysticks and wheels.
  */
diff --git a/drivers/input/joystick/iforce/iforce-usb.c b/drivers/input/joystick/iforce/iforce-usb.c
index 80cdebc..750099d 100644
--- a/drivers/input/joystick/iforce/iforce-usb.c
+++ b/drivers/input/joystick/iforce/iforce-usb.c
@@ -2,7 +2,7 @@
  * $Id: iforce-usb.c,v 1.16 2002/06/09 11:08:04 jdeneux Exp $
  *
  *  Copyright (c) 2000-2002 Vojtech Pavlik <vojtech@ucw.cz>
- *  Copyright (c) 2001-2002 Johann Deneux <deneux@ifrance.com>
+ *  Copyright (c) 2001-2002, 2007 Johann Deneux <johann.deneux@gmail.com>
  *
  *  USB/RS232 I-Force joysticks and wheels.
  */
@@ -65,7 +65,7 @@ void iforce_usb_xmit(struct iforce *iforce)
 	XMIT_INC(iforce->xmit.tail, n);
 
 	if ( (n=usb_submit_urb(iforce->out, GFP_ATOMIC)) ) {
-		printk(KERN_WARNING "iforce-usb.c: iforce_usb_xmit: usb_submit_urb failed %d\n", n);
+		warn("usb_submit_urb failed %d\n", n);
 	}
 
 	/* The IFORCE_XMIT_RUNNING bit is not cleared here. That's intended.
@@ -110,7 +110,7 @@ static void iforce_usb_out(struct urb *urb)
 	struct iforce *iforce = urb->context;
 
 	if (urb->status) {
-		printk(KERN_DEBUG "iforce_usb_out: urb->status %d, exiting", urb->status);
+		dbg("urb->status %d, exiting", urb->status);
 		return;
 	}
 
@@ -190,10 +190,9 @@ fail:
 /* Called by iforce_delete() */
 void iforce_usb_delete(struct iforce* iforce)
 {
-	usb_unlink_urb(iforce->irq);
-/* Is it ok to unlink those ? */
-	usb_unlink_urb(iforce->out);
-	usb_unlink_urb(iforce->ctrl);
+	usb_kill_urb(iforce->irq);
+	usb_kill_urb(iforce->out);
+	usb_kill_urb(iforce->ctrl);
 
 	usb_free_urb(iforce->irq);
 	usb_free_urb(iforce->out);
diff --git a/drivers/input/joystick/iforce/iforce.h b/drivers/input/joystick/iforce/iforce.h
index ffaeaef..dadcf4f 100644
--- a/drivers/input/joystick/iforce/iforce.h
+++ b/drivers/input/joystick/iforce/iforce.h
@@ -2,7 +2,7 @@
  * $Id: iforce.h,v 1.13 2002/07/07 10:22:50 jdeneux Exp $
  *
  *  Copyright (c) 2000-2002 Vojtech Pavlik <vojtech@ucw.cz>
- *  Copyright (c) 2001-2002 Johann Deneux <deneux@ifrance.com>
+ *  Copyright (c) 2001-2002, 2007 Johann Deneux <johann.deneux@gmail.com>
  *
  *  USB/RS232 I-Force joysticks and wheels.
  */