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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2010-10-18 06:20:19 +0200 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2010-10-18 06:20:19 +0200 |
| commit | 3136baf8d09458bb04332b81494fd13ad90fe94a (patch) | |
| tree | 6593ef5894597bf6224cf0374e4d49b1499d347d /drivers/input/tablet/wacom_sys.c | |
| parent | Input: ad7877 - filter events where pressure is beyond the maximum (diff) | |
| parent | Input: wacom - fix pressure in Cintiq 21UX2 (diff) | |
| download | linux-3136baf8d09458bb04332b81494fd13ad90fe94a.tar.xz linux-3136baf8d09458bb04332b81494fd13ad90fe94a.zip | |
Merge branch 'for-linus' into next
Diffstat (limited to 'drivers/input/tablet/wacom_sys.c')
| -rw-r--r-- | drivers/input/tablet/wacom_sys.c | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c index 1e3af299a1c2..02de65357233 100644 --- a/drivers/input/tablet/wacom_sys.c +++ b/drivers/input/tablet/wacom_sys.c @@ -103,27 +103,26 @@ static void wacom_sys_irq(struct urb *urb) static int wacom_open(struct input_dev *dev) { struct wacom *wacom = input_get_drvdata(dev); + int retval = 0; - mutex_lock(&wacom->lock); - - wacom->irq->dev = wacom->usbdev; - - if (usb_autopm_get_interface(wacom->intf) < 0) { - mutex_unlock(&wacom->lock); + if (usb_autopm_get_interface(wacom->intf) < 0) return -EIO; - } + + mutex_lock(&wacom->lock); if (usb_submit_urb(wacom->irq, GFP_KERNEL)) { - usb_autopm_put_interface(wacom->intf); - mutex_unlock(&wacom->lock); - return -EIO; + retval = -EIO; + goto out; } wacom->open = true; wacom->intf->needs_remote_wakeup = 1; +out: mutex_unlock(&wacom->lock); - return 0; + if (retval) + usb_autopm_put_interface(wacom->intf); + return retval; } static void wacom_close(struct input_dev *dev) @@ -135,6 +134,8 @@ static void wacom_close(struct input_dev *dev) wacom->open = false; wacom->intf->needs_remote_wakeup = 0; mutex_unlock(&wacom->lock); + + usb_autopm_put_interface(wacom->intf); } static int wacom_parse_hid(struct usb_interface *intf, struct hid_descriptor *hid_desc, |