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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2009-12-24 22:37:49 -0800
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2009-12-24 22:38:11 -0800
commit98b7fb0472f828536a7786df6bd517322c0c17dc (patch)
tree9963828250cc0bbee2a771ee62604f483f047d25 /drivers/input/joystick
parent94ec26c855bc675259e4f1658673f458040affd7 (diff)
downloadop-kernel-dev-98b7fb0472f828536a7786df6bd517322c0c17dc.zip
op-kernel-dev-98b7fb0472f828536a7786df6bd517322c0c17dc.tar.gz
Input: iforce - fix oops on device disconnect
Do not try to free iforce device when we closing input device; disconnect is the only place where it should be deleted. Reported-by: Johannes Ebke <johannes.ebke@physik.uni-muenchen.de> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/input/joystick')
-rw-r--r--drivers/input/joystick/iforce/iforce-main.c26
-rw-r--r--drivers/input/joystick/iforce/iforce-usb.c28
-rw-r--r--drivers/input/joystick/iforce/iforce.h2
3 files changed, 12 insertions, 44 deletions
diff --git a/drivers/input/joystick/iforce/iforce-main.c b/drivers/input/joystick/iforce/iforce-main.c
index f6c688c..acc3a9e 100644
--- a/drivers/input/joystick/iforce/iforce-main.c
+++ b/drivers/input/joystick/iforce/iforce-main.c
@@ -210,7 +210,7 @@ static int iforce_open(struct input_dev *dev)
return 0;
}
-static void iforce_release(struct input_dev *dev)
+static void iforce_close(struct input_dev *dev)
{
struct iforce *iforce = input_get_drvdata(dev);
int i;
@@ -232,26 +232,10 @@ static void iforce_release(struct input_dev *dev)
switch (iforce->bus) {
#ifdef CONFIG_JOYSTICK_IFORCE_USB
- case IFORCE_USB:
- usb_kill_urb(iforce->irq);
-
- /* The device was unplugged before the file
- * was released */
- if (iforce->usbdev == NULL) {
- iforce_delete_device(iforce);
- kfree(iforce);
- }
- break;
-#endif
- }
-}
-
-void iforce_delete_device(struct iforce *iforce)
-{
- switch (iforce->bus) {
-#ifdef CONFIG_JOYSTICK_IFORCE_USB
case IFORCE_USB:
- iforce_usb_delete(iforce);
+ usb_kill_urb(iforce->irq);
+ usb_kill_urb(iforce->out);
+ usb_kill_urb(iforce->ctrl);
break;
#endif
#ifdef CONFIG_JOYSTICK_IFORCE_232
@@ -303,7 +287,7 @@ int iforce_init_device(struct iforce *iforce)
input_dev->name = "Unknown I-Force device";
input_dev->open = iforce_open;
- input_dev->close = iforce_release;
+ input_dev->close = iforce_close;
/*
* On-device memory allocation.
diff --git a/drivers/input/joystick/iforce/iforce-usb.c b/drivers/input/joystick/iforce/iforce-usb.c
index 9f289d8..c0ad883 100644
--- a/drivers/input/joystick/iforce/iforce-usb.c
+++ b/drivers/input/joystick/iforce/iforce-usb.c
@@ -186,33 +186,19 @@ fail:
return err;
}
-/* Called by iforce_delete() */
-void iforce_usb_delete(struct iforce* iforce)
-{
- 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);
- usb_free_urb(iforce->ctrl);
-}
-
static void iforce_usb_disconnect(struct usb_interface *intf)
{
struct iforce *iforce = usb_get_intfdata(intf);
- int open = 0; /* FIXME! iforce->dev.handle->open; */
usb_set_intfdata(intf, NULL);
- if (iforce) {
- iforce->usbdev = NULL;
- input_unregister_device(iforce->dev);
- if (!open) {
- iforce_delete_device(iforce);
- kfree(iforce);
- }
- }
+ input_unregister_device(iforce->dev);
+
+ usb_free_urb(iforce->irq);
+ usb_free_urb(iforce->out);
+ usb_free_urb(iforce->ctrl);
+
+ kfree(iforce);
}
static struct usb_device_id iforce_usb_ids [] = {
diff --git a/drivers/input/joystick/iforce/iforce.h b/drivers/input/joystick/iforce/iforce.h
index f2d91f4..9f494b7 100644
--- a/drivers/input/joystick/iforce/iforce.h
+++ b/drivers/input/joystick/iforce/iforce.h
@@ -150,11 +150,9 @@ void iforce_serial_xmit(struct iforce *iforce);
/* iforce-usb.c */
void iforce_usb_xmit(struct iforce *iforce);
-void iforce_usb_delete(struct iforce *iforce);
/* iforce-main.c */
int iforce_init_device(struct iforce *iforce);
-void iforce_delete_device(struct iforce *iforce);
/* iforce-packets.c */
int iforce_control_playback(struct iforce*, u16 id, unsigned int);
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