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authorAxel Lin <axel.lin@gmail.com>2010-11-11 21:47:42 -0800
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2010-11-11 22:02:23 -0800
commit161feb2417dd0c4324c2e8da24aaebd30a436d45 (patch)
tree5f641e5d73b5235ff19021eeca505a19402c590f /drivers/input/joystick
parent6ff92a6db2083ecd1a8e2742d9397159fd880987 (diff)
Input: xpad - fix resource reclaim in xpad_probe error path
Properly free the resources in error path by the reverse order of resource allocation. Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/input/joystick')
-rw-r--r--drivers/input/joystick/xpad.c30
1 files changed, 18 insertions, 12 deletions
diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
index e8b2ece3e01..5fce7243393 100644
--- a/drivers/input/joystick/xpad.c
+++ b/drivers/input/joystick/xpad.c
@@ -760,8 +760,9 @@ static void xpad_close(struct input_dev *dev)
{
struct usb_xpad *xpad = input_get_drvdata(dev);
- if(xpad->xtype != XTYPE_XBOX360W)
+ if (xpad->xtype != XTYPE_XBOX360W)
usb_kill_urb(xpad->irq_in);
+
xpad_stop_output(xpad);
}
@@ -896,15 +897,15 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id
error = xpad_init_output(intf, xpad);
if (error)
- goto fail2;
+ goto fail3;
error = xpad_init_ff(xpad);
if (error)
- goto fail3;
+ goto fail4;
error = xpad_led_probe(xpad);
if (error)
- goto fail3;
+ goto fail5;
ep_irq_in = &intf->cur_altsetting->endpoint[0].desc;
usb_fill_int_urb(xpad->irq_in, udev,
@@ -916,7 +917,7 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id
error = input_register_device(xpad->dev);
if (error)
- goto fail4;
+ goto fail6;
usb_set_intfdata(intf, xpad);
@@ -931,7 +932,7 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id
xpad->irq_in->dev = xpad->udev;
error = usb_submit_urb(xpad->irq_in, GFP_KERNEL);
if (error)
- goto fail4;
+ goto fail7;
/*
* Setup the message to set the LEDs on the
@@ -940,13 +941,13 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id
xpad->bulk_out = usb_alloc_urb(0, GFP_KERNEL);
if (!xpad->bulk_out) {
error = -ENOMEM;
- goto fail5;
+ goto fail8;
}
xpad->bdata = kzalloc(XPAD_PKT_LEN, GFP_KERNEL);
if (!xpad->bdata) {
error = -ENOMEM;
- goto fail6;
+ goto fail9;
}
xpad->bdata[2] = 0x08;
@@ -972,10 +973,15 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id
return 0;
- fail6: usb_free_urb(xpad->bulk_out);
- fail5: usb_kill_urb(xpad->irq_in);
- fail4: usb_free_urb(xpad->irq_in);
- fail3: xpad_deinit_output(xpad);
+ fail9: usb_free_urb(xpad->bulk_out);
+ fail8: usb_kill_urb(xpad->irq_in);
+ fail7: input_unregister_device(input_dev);
+ input_dev = NULL;
+ fail6: xpad_led_disconnect(xpad);
+ fail5: if (input_dev)
+ input_ff_destroy(input_dev);
+ fail4: xpad_deinit_output(xpad);
+ fail3: usb_free_urb(xpad->irq_in);
fail2: usb_free_coherent(udev, XPAD_PKT_LEN, xpad->idata, xpad->idata_dma);
fail1: input_free_device(input_dev);
kfree(xpad);