diff options
Diffstat (limited to 'drivers/hid/usbhid')
-rw-r--r-- | drivers/hid/usbhid/hid-quirks.c | 3 | ||||
-rw-r--r-- | drivers/hid/usbhid/hiddev.c | 34 |
2 files changed, 17 insertions, 20 deletions
diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index 9a94b64..0e30b14 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -59,6 +59,7 @@ static const struct hid_blacklist { { USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_COMBATSTICK, HID_QUIRK_NOGET }, { USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_FLIGHT_SIM_ECLIPSE_YOKE, HID_QUIRK_NOGET }, { USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_FLIGHT_SIM_YOKE, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_PRO_THROTTLE, HID_QUIRK_NOGET }, { USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_PRO_PEDALS, HID_QUIRK_NOGET }, { USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_3AXIS_5BUTTON_STICK, HID_QUIRK_NOGET }, { USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_AXIS_295, HID_QUIRK_NOGET }, @@ -67,6 +68,8 @@ static const struct hid_blacklist { { USB_VENDOR_ID_PRODIGE, USB_DEVICE_ID_PRODIGE_CORDLESS, HID_QUIRK_NOGET }, { USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_PIXART_IMAGING_INC_OPTICAL_TOUCH_SCREEN, HID_QUIRK_NOGET }, { USB_VENDOR_ID_SUN, USB_DEVICE_ID_RARITAN_KVM_DONGLE, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_SYMBOL, USB_DEVICE_ID_SYMBOL_SCANNER_1, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_SYMBOL, USB_DEVICE_ID_SYMBOL_SCANNER_2, HID_QUIRK_NOGET }, { USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_TURBOX_KEYBOARD, HID_QUIRK_NOGET }, { USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209, HID_QUIRK_MULTI_INPUT }, { USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U, HID_QUIRK_MULTI_INPUT }, diff --git a/drivers/hid/usbhid/hiddev.c b/drivers/hid/usbhid/hiddev.c index af0a7c1..ff3c644 100644 --- a/drivers/hid/usbhid/hiddev.c +++ b/drivers/hid/usbhid/hiddev.c @@ -242,6 +242,7 @@ static int hiddev_release(struct inode * inode, struct file * file) list_del(&list->node); spin_unlock_irqrestore(&list->hiddev->list_lock, flags); + mutex_lock(&list->hiddev->existancelock); if (!--list->hiddev->open) { if (list->hiddev->exist) { usbhid_close(list->hiddev->hid); @@ -252,6 +253,7 @@ static int hiddev_release(struct inode * inode, struct file * file) } kfree(list); + mutex_unlock(&list->hiddev->existancelock); return 0; } @@ -300,17 +302,21 @@ static int hiddev_open(struct inode *inode, struct file *file) list_add_tail(&list->node, &hiddev->list); spin_unlock_irq(&list->hiddev->list_lock); + mutex_lock(&hiddev->existancelock); if (!list->hiddev->open++) if (list->hiddev->exist) { struct hid_device *hid = hiddev->hid; res = usbhid_get_power(hid); if (res < 0) { res = -EIO; - goto bail; + goto bail_unlock; } usbhid_open(hid); } + mutex_unlock(&hiddev->existancelock); return 0; +bail_unlock: + mutex_unlock(&hiddev->existancelock); bail: file->private_data = NULL; kfree(list); @@ -367,8 +373,10 @@ static ssize_t hiddev_read(struct file * file, char __user * buffer, size_t coun /* let O_NONBLOCK tasks run */ mutex_unlock(&list->thread_lock); schedule(); - if (mutex_lock_interruptible(&list->thread_lock)) + if (mutex_lock_interruptible(&list->thread_lock)) { + finish_wait(&list->hiddev->wait, &wait); return -EINTR; + } set_current_state(TASK_INTERRUPTIBLE); } finish_wait(&list->hiddev->wait, &wait); @@ -509,7 +517,7 @@ static noinline int hiddev_ioctl_usage(struct hiddev *hiddev, unsigned int cmd, (uref_multi->num_values > HID_MAX_MULTI_USAGES || uref->usage_index + uref_multi->num_values > field->report_count)) goto inval; - } + } switch (cmd) { case HIDIOCGUSAGE: @@ -801,14 +809,7 @@ static long hiddev_ioctl(struct file *file, unsigned int cmd, unsigned long arg) break; if (_IOC_NR(cmd) == _IOC_NR(HIDIOCGNAME(0))) { - int len; - - if (!hid->name) { - r = 0; - break; - } - - len = strlen(hid->name) + 1; + int len = strlen(hid->name) + 1; if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd); r = copy_to_user(user_arg, hid->name, len) ? @@ -817,14 +818,7 @@ static long hiddev_ioctl(struct file *file, unsigned int cmd, unsigned long arg) } if (_IOC_NR(cmd) == _IOC_NR(HIDIOCGPHYS(0))) { - int len; - - if (!hid->phys) { - r = 0; - break; - } - - len = strlen(hid->phys) + 1; + int len = strlen(hid->phys) + 1; if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd); r = copy_to_user(user_arg, hid->phys, len) ? @@ -925,7 +919,6 @@ void hiddev_disconnect(struct hid_device *hid) mutex_lock(&hiddev->existancelock); hiddev->exist = 0; - mutex_unlock(&hiddev->existancelock); usb_deregister_dev(usbhid->intf, &hiddev_class); @@ -935,4 +928,5 @@ void hiddev_disconnect(struct hid_device *hid) } else { kfree(hiddev); } + mutex_unlock(&hiddev->existancelock); } |