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| author | Axel Lin <axel.lin@gmail.com> | 2010-11-12 08:47:42 +0300 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2010-11-12 09:02:23 +0300 |
| commit | 161feb2417dd0c4324c2e8da24aaebd30a436d45 (patch) | |
| tree | 5f641e5d73b5235ff19021eeca505a19402c590f /drivers/input | |
| parent | 6ff92a6db2083ecd1a8e2742d9397159fd880987 (diff) | |
| download | linux-161feb2417dd0c4324c2e8da24aaebd30a436d45.tar.xz | |
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')
| -rw-r--r-- | drivers/input/joystick/xpad.c | 30 |
1 files changed, 18 insertions, 12 deletions
diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c index e8b2ece3e01e..5fce72433932 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); |