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

Pull HID fixes from Jiri Kosina:

 - fix for one corner case in HID++ protocol with respect to handling
   very long reports, from Hans de Goede

 - power management fix in Intel-ISH driver, from Hyungwoo Yang

 - use-after-free fix in Intel-ISH driver, from Dan Carpenter

 - a couple of new device IDs/quirks from Kai-Heng Feng, Kyle Godbey and
   Oleksandr Natalenko

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid:
  HID: intel-ish-hid: fix wrong driver_data usage
  HID: multitouch: Add pointstick support for ALPS Touchpad
  HID: logitech-dj: Fix forwarding of very long HID++ reports
  HID: uclogic: Add support for Huion HS64 tablet
  HID: chicony: add another quirk for PixArt mouse
  HID: intel-ish-hid: Fix a use after free in load_fw_from_host()

10 files changed, 33 insertions, 5 deletions

diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index eac0c54c5970..b032d3899fa3 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -80,6 +80,7 @@
 #define HID_DEVICE_ID_ALPS_U1_DUAL_3BTN_PTP	0x1220
 #define HID_DEVICE_ID_ALPS_U1		0x1215
 #define HID_DEVICE_ID_ALPS_T4_BTNLESS	0x120C
+#define HID_DEVICE_ID_ALPS_1222		0x1222
 
 
 #define USB_VENDOR_ID_AMI		0x046b
@@ -269,6 +270,7 @@
 #define USB_DEVICE_ID_CHICONY_MULTI_TOUCH	0xb19d
 #define USB_DEVICE_ID_CHICONY_WIRELESS	0x0618
 #define USB_DEVICE_ID_CHICONY_PIXART_USB_OPTICAL_MOUSE	0x1053
+#define USB_DEVICE_ID_CHICONY_PIXART_USB_OPTICAL_MOUSE2	0x0939
 #define USB_DEVICE_ID_CHICONY_WIRELESS2	0x1123
 #define USB_DEVICE_ID_ASUS_AK1D		0x1125
 #define USB_DEVICE_ID_CHICONY_TOSHIBA_WT10A	0x1408
@@ -569,6 +571,7 @@
 
 #define USB_VENDOR_ID_HUION		0x256c
 #define USB_DEVICE_ID_HUION_TABLET	0x006e
+#define USB_DEVICE_ID_HUION_HS64	0x006d
 
 #define USB_VENDOR_ID_IBM					0x04b3
 #define USB_DEVICE_ID_IBM_SCROLLPOINT_III			0x3100
diff --git a/drivers/hid/hid-logitech-dj.c b/drivers/hid/hid-logitech-dj.c
index e564bff86515..bfcf2ee58d14 100644
--- a/drivers/hid/hid-logitech-dj.c
+++ b/drivers/hid/hid-logitech-dj.c
@@ -30,6 +30,7 @@
 
 #define REPORT_ID_HIDPP_SHORT			0x10
 #define REPORT_ID_HIDPP_LONG			0x11
+#define REPORT_ID_HIDPP_VERY_LONG		0x12
 
 #define HIDPP_REPORT_SHORT_LENGTH		7
 #define HIDPP_REPORT_LONG_LENGTH		20
@@ -1242,7 +1243,8 @@ static int logi_dj_ll_raw_request(struct hid_device *hid,
 	int ret;
 
 	if ((buf[0] == REPORT_ID_HIDPP_SHORT) ||
-	    (buf[0] == REPORT_ID_HIDPP_LONG)) {
+	    (buf[0] == REPORT_ID_HIDPP_LONG) ||
+	    (buf[0] == REPORT_ID_HIDPP_VERY_LONG)) {
 		if (count < 2)
 			return -EINVAL;
 
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index 5df5dd56ecc8..b603c14d043b 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -1776,6 +1776,10 @@ static const struct hid_device_id mt_devices[] = {
 		HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8,
 			USB_VENDOR_ID_ALPS_JP,
 			HID_DEVICE_ID_ALPS_U1_DUAL_3BTN_PTP) },
+	{ .driver_data = MT_CLS_WIN_8_DUAL,
+		HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8,
+			USB_VENDOR_ID_ALPS_JP,
+			HID_DEVICE_ID_ALPS_1222) },
 
 	/* Lenovo X1 TAB Gen 2 */
 	{ .driver_data = MT_CLS_WIN_8_DUAL,
diff --git a/drivers/hid/hid-quirks.c b/drivers/hid/hid-quirks.c
index e5ca6fe2ca57..671a285724f9 100644
--- a/drivers/hid/hid-quirks.c
+++ b/drivers/hid/hid-quirks.c
@@ -42,6 +42,7 @@ static const struct hid_device_id hid_quirks[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_UC100KM), HID_QUIRK_NOGET },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_MULTI_TOUCH), HID_QUIRK_MULTI_INPUT },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_PIXART_USB_OPTICAL_MOUSE), HID_QUIRK_ALWAYS_POLL },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_PIXART_USB_OPTICAL_MOUSE2), HID_QUIRK_ALWAYS_POLL },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS), HID_QUIRK_MULTI_INPUT },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHIC, USB_DEVICE_ID_CHIC_GAMEPAD), HID_QUIRK_BADPAD },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_3AXIS_5BUTTON_STICK), HID_QUIRK_NOGET },
diff --git a/drivers/hid/hid-uclogic-core.c b/drivers/hid/hid-uclogic-core.c
index 8fe02d81265d..914fb527ae7a 100644
--- a/drivers/hid/hid-uclogic-core.c
+++ b/drivers/hid/hid-uclogic-core.c
@@ -369,6 +369,8 @@ static const struct hid_device_id uclogic_devices[] = {
 				USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_HUION,
 				USB_DEVICE_ID_HUION_TABLET) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_HUION,
+				USB_DEVICE_ID_HUION_HS64) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC,
 				USB_DEVICE_ID_HUION_TABLET) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC,
diff --git a/drivers/hid/hid-uclogic-params.c b/drivers/hid/hid-uclogic-params.c
index 0187c9f8fc22..273d784fff66 100644
--- a/drivers/hid/hid-uclogic-params.c
+++ b/drivers/hid/hid-uclogic-params.c
@@ -977,6 +977,8 @@ int uclogic_params_init(struct uclogic_params *params,
 		/* FALL THROUGH */
 	case VID_PID(USB_VENDOR_ID_HUION,
 		     USB_DEVICE_ID_HUION_TABLET):
+	case VID_PID(USB_VENDOR_ID_HUION,
+		     USB_DEVICE_ID_HUION_HS64):
 	case VID_PID(USB_VENDOR_ID_UCLOGIC,
 		     USB_DEVICE_ID_HUION_TABLET):
 	case VID_PID(USB_VENDOR_ID_UCLOGIC,
diff --git a/drivers/hid/intel-ish-hid/ishtp-fw-loader.c b/drivers/hid/intel-ish-hid/ishtp-fw-loader.c
index 22ba21457035..aa2dbed30fc3 100644
--- a/drivers/hid/intel-ish-hid/ishtp-fw-loader.c
+++ b/drivers/hid/intel-ish-hid/ishtp-fw-loader.c
@@ -816,9 +816,9 @@ static int load_fw_from_host(struct ishtp_cl_data *client_data)
 		goto end_err_fw_release;
 
 	release_firmware(fw);
-	kfree(filename);
 	dev_info(cl_data_to_dev(client_data), "ISH firmware %s loaded\n",
 		 filename);
+	kfree(filename);
 	return 0;
 
 end_err_fw_release:
diff --git a/drivers/hid/intel-ish-hid/ishtp-hid-client.c b/drivers/hid/intel-ish-hid/ishtp-hid-client.c
index c0487b34d2cf..6ba944b40fdb 100644
--- a/drivers/hid/intel-ish-hid/ishtp-hid-client.c
+++ b/drivers/hid/intel-ish-hid/ishtp-hid-client.c
@@ -891,7 +891,7 @@ static int hid_ishtp_cl_reset(struct ishtp_cl_device *cl_device)
  */
 static int hid_ishtp_cl_suspend(struct device *device)
 {
-	struct ishtp_cl_device *cl_device = dev_get_drvdata(device);
+	struct ishtp_cl_device *cl_device = ishtp_dev_to_cl_device(device);
 	struct ishtp_cl *hid_ishtp_cl = ishtp_get_drvdata(cl_device);
 	struct ishtp_cl_data *client_data = ishtp_get_client_data(hid_ishtp_cl);
 
@@ -912,7 +912,7 @@ static int hid_ishtp_cl_suspend(struct device *device)
  */
 static int hid_ishtp_cl_resume(struct device *device)
 {
-	struct ishtp_cl_device *cl_device = dev_get_drvdata(device);
+	struct ishtp_cl_device *cl_device = ishtp_dev_to_cl_device(device);
 	struct ishtp_cl *hid_ishtp_cl = ishtp_get_drvdata(cl_device);
 	struct ishtp_cl_data *client_data = ishtp_get_client_data(hid_ishtp_cl);
 
diff --git a/drivers/hid/intel-ish-hid/ishtp/bus.c b/drivers/hid/intel-ish-hid/ishtp/bus.c
index 794e700d65f7..c47c3328a0f4 100644
--- a/drivers/hid/intel-ish-hid/ishtp/bus.c
+++ b/drivers/hid/intel-ish-hid/ishtp/bus.c
@@ -471,7 +471,6 @@ static struct ishtp_cl_device *ishtp_bus_add_device(struct ishtp_device *dev,
 	}
 
 	ishtp_device_ready = true;
-	dev_set_drvdata(&device->dev, device);
 
 	return device;
 }
@@ -640,6 +639,20 @@ void *ishtp_get_drvdata(struct ishtp_cl_device *cl_device)
 EXPORT_SYMBOL(ishtp_get_drvdata);
 
 /**
+ * ishtp_dev_to_cl_device() - get ishtp_cl_device instance from device instance
+ * @device: device instance
+ *
+ * Get ish_cl_device instance which embeds device instance in it.
+ *
+ * Return: pointer to ishtp_cl_device instance
+ */
+struct ishtp_cl_device *ishtp_dev_to_cl_device(struct device *device)
+{
+	return to_ishtp_cl_device(device);
+}
+EXPORT_SYMBOL(ishtp_dev_to_cl_device);
+
+/**
  * ishtp_bus_new_client() - Create a new client
  * @dev:	ISHTP device instance
  *
diff --git a/include/linux/intel-ish-client-if.h b/include/linux/intel-ish-client-if.h
index 16255c2ca2f4..0d6b4bc191c5 100644
--- a/include/linux/intel-ish-client-if.h
+++ b/include/linux/intel-ish-client-if.h
@@ -103,6 +103,7 @@ void ishtp_put_device(struct ishtp_cl_device *cl_dev);
 void ishtp_get_device(struct ishtp_cl_device *cl_dev);
 void ishtp_set_drvdata(struct ishtp_cl_device *cl_device, void *data);
 void *ishtp_get_drvdata(struct ishtp_cl_device *cl_device);
+struct ishtp_cl_device *ishtp_dev_to_cl_device(struct device *dev);
 int ishtp_register_event_cb(struct ishtp_cl_device *device,
 				void (*read_cb)(struct ishtp_cl_device *));
 struct	ishtp_fw_client *ishtp_fw_cl_get_client(struct ishtp_device *dev,