redonkable/alistair23-linux
redonkable/alistair23-linux
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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid

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Pull HID fixes from Jiri Kosina:

 - NULL pointer dereference regression fix for Wacom driver (Jason
   Gerecke)

 - functional regression fix for pam handling on some Elan and Synaptics
   touchpads (Kai-Heng Feng)

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid:
  HID: wacom: Correct NULL dereference on AES pen proximity
  HID: multitouch: Apply MT_QUIRK_CONFIDENCE quirk for multi-input devices
This commit is contained in:
Linus Torvalds 2021-01-28 09:23:01 -08:00
parent fc856f1df7 179e8e47c0
commit 25221c99c5
3 changed files with 7 additions and 5 deletions
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3
drivers/hid/hid-multitouch.c
View file

@ -758,7 +758,8 @@ static int mt_touch_input_mapping(struct hid_device *hdev, struct hid_input *hi,
MT_STORE_FIELD(inrange_state);
return 1;
case HID_DG_CONFIDENCE:
if (cls->name == MT_CLS_WIN_8 &&
if ((cls->name == MT_CLS_WIN_8 ||
cls->name == MT_CLS_WIN_8_FORCE_MULTI_INPUT) &&
(field->application == HID_DG_TOUCHPAD ||
field->application == HID_DG_TOUCHSCREEN))
app->quirks |= MT_QUIRK_CONFIDENCE;

7
drivers/hid/wacom_sys.c
View file

@ -147,9 +147,9 @@ static int wacom_wac_pen_serial_enforce(struct hid_device *hdev,
}
if (flush)
wacom_wac_queue_flush(hdev, &wacom_wac->pen_fifo);
wacom_wac_queue_flush(hdev, wacom_wac->pen_fifo);
else if (insert)
wacom_wac_queue_insert(hdev, &wacom_wac->pen_fifo,
wacom_wac_queue_insert(hdev, wacom_wac->pen_fifo,
raw_data, report_size);
return insert && !flush;
@ -1280,7 +1280,7 @@ static void wacom_devm_kfifo_release(struct device *dev, void *res)
static int wacom_devm_kfifo_alloc(struct wacom *wacom)
{
struct wacom_wac *wacom_wac = &wacom->wacom_wac;
struct kfifo_rec_ptr_2 *pen_fifo = &wacom_wac->pen_fifo;
struct kfifo_rec_ptr_2 *pen_fifo;
int error;
pen_fifo = devres_alloc(wacom_devm_kfifo_release,
@ -1297,6 +1297,7 @@ static int wacom_devm_kfifo_alloc(struct wacom *wacom)
}
devres_add(&wacom->hdev->dev, pen_fifo);
wacom_wac->pen_fifo = pen_fifo;
return 0;
}

2
drivers/hid/wacom_wac.h
View file

@ -342,7 +342,7 @@ struct wacom_wac {
struct input_dev *pen_input;
struct input_dev *touch_input;
struct input_dev *pad_input;
struct kfifo_rec_ptr_2 pen_fifo;
struct kfifo_rec_ptr_2 *pen_fifo;
int pid;
int num_contacts_left;
u8 bt_features;