for-linus-2022083101

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Merge tag 'for-linus-2022083101' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid

Pull HID fixes from Jiri Kosina:

 - NULL pointer dereference fix for Steam driver (Lee Jones)

 - memory leak fix for hidraw (Karthik Alapati)

 - regression fix for functionality of some UCLogic tables (Benjamin
   Tissoires)

 - a few new device IDs and device-specific quirks

* tag 'for-linus-2022083101' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid:
  HID: nintendo: fix rumble worker null pointer deref
  HID: intel-ish-hid: ipc: Add Meteor Lake PCI device ID
  HID: input: fix uclogic tablets
  HID: Add Apple Touchbar on T2 Macs in hid_have_special_driver list
  HID: add Lenovo Yoga C630 battery quirk
  HID: AMD_SFH: Add a DMI quirk entry for Chromebooks
  HID: thrustmaster: Add sparco wheel and fix array length
  hid: intel-ish-hid: ishtp: Fix ishtp client sending disordered message
  HID: ishtp-hid-clientHID: ishtp-hid-client: Fix comment typo
  HID: asus: ROG NKey: Ignore portion of 0x5a report
  HID: hidraw: fix memory leak in hidraw_release()
  HID: steam: Prevent NULL pointer dereference in steam_{recv,send}_report

drivers/hid/amd-sfh-hid/amd_sfh_pcie.c

@@ -288,11 +288,29 @@ int amd_sfh_irq_init(struct amd_mp2_dev *privdata)
 	return 0;
 }
 
+static const struct dmi_system_id dmi_nodevs[] = {
+	{
+		/*
+		 * Google Chromebooks use Chrome OS Embedded Controller Sensor
+		 * Hub instead of Sensor Hub Fusion and leaves MP2
+		 * uninitialized, which disables all functionalities, even
+		 * including the registers necessary for feature detections.
+		 */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Google"),
+		},
+	},
+	{ }
+};
+
 static int amd_mp2_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 {
 	struct amd_mp2_dev *privdata;
 	int rc;
 
+	if (dmi_first_match(dmi_nodevs))
+		return -ENODEV;
+
 	privdata = devm_kzalloc(&pdev->dev, sizeof(*privdata), GFP_KERNEL);
 	if (!privdata)
 		return -ENOMEM;

drivers/hid/hid-asus.c

@@ -1212,6 +1212,13 @@ static __u8 *asus_report_fixup(struct hid_device *hdev, __u8 *rdesc,
 		rdesc = new_rdesc;
 	}
 
+	if (drvdata->quirks & QUIRK_ROG_NKEY_KEYBOARD &&
+			*rsize == 331 && rdesc[190] == 0x85 && rdesc[191] == 0x5a &&
+			rdesc[204] == 0x95 && rdesc[205] == 0x05) {
+		hid_info(hdev, "Fixing up Asus N-KEY keyb report descriptor\n");
+		rdesc[205] = 0x01;
+	}
+
 	return rdesc;
 }
 

drivers/hid/hid-ids.h

@@ -185,6 +185,8 @@
 #define USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_2021   0x029c
 #define USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_FINGERPRINT_2021   0x029a
 #define USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_NUMPAD_2021   0x029f
+#define USB_DEVICE_ID_APPLE_TOUCHBAR_BACKLIGHT 0x8102
+#define USB_DEVICE_ID_APPLE_TOUCHBAR_DISPLAY 0x8302
 
 #define USB_VENDOR_ID_ASUS		0x0486
 #define USB_DEVICE_ID_ASUS_T91MT	0x0185
@@ -414,6 +416,7 @@
 #define USB_DEVICE_ID_ASUS_UX550_TOUCHSCREEN	0x2706
 #define I2C_DEVICE_ID_SURFACE_GO_TOUCHSCREEN	0x261A
 #define I2C_DEVICE_ID_SURFACE_GO2_TOUCHSCREEN	0x2A1C
+#define I2C_DEVICE_ID_LENOVO_YOGA_C630_TOUCHSCREEN	0x279F
 
 #define USB_VENDOR_ID_ELECOM		0x056e
 #define USB_DEVICE_ID_ELECOM_BM084	0x0061

drivers/hid/hid-input.c

@@ -383,6 +383,8 @@ static const struct hid_device_id hid_battery_quirks[] = {
 	  HID_BATTERY_QUIRK_IGNORE },
 	{ HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, I2C_DEVICE_ID_SURFACE_GO2_TOUCHSCREEN),
 	  HID_BATTERY_QUIRK_IGNORE },
+	{ HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, I2C_DEVICE_ID_LENOVO_YOGA_C630_TOUCHSCREEN),
+	  HID_BATTERY_QUIRK_IGNORE },
 	{}
 };
 
@@ -1532,7 +1534,10 @@ void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct
 			 * assume ours
 			 */
 			if (!report->tool)
-				hid_report_set_tool(report, input, usage->code);
+				report->tool = usage->code;
+
+			/* drivers may have changed the value behind our back, resend it */
+			hid_report_set_tool(report, input, report->tool);
 		} else {
 			hid_report_release_tool(report, input, usage->code);
 		}

drivers/hid/hid-nintendo.c

@@ -1221,6 +1221,7 @@ static void joycon_parse_report(struct joycon_ctlr *ctlr,
 
 	spin_lock_irqsave(&ctlr->lock, flags);
 	if (IS_ENABLED(CONFIG_NINTENDO_FF) && rep->vibrator_report &&
+	    ctlr->ctlr_state != JOYCON_CTLR_STATE_REMOVED &&
 	    (msecs - ctlr->rumble_msecs) >= JC_RUMBLE_PERIOD_MS &&
 	    (ctlr->rumble_queue_head != ctlr->rumble_queue_tail ||
 	     ctlr->rumble_zero_countdown > 0)) {
@@ -1545,12 +1546,13 @@ static int joycon_set_rumble(struct joycon_ctlr *ctlr, u16 amp_r, u16 amp_l,
 		ctlr->rumble_queue_head = 0;
 	memcpy(ctlr->rumble_data[ctlr->rumble_queue_head], data,
 	       JC_RUMBLE_DATA_SIZE);
-	spin_unlock_irqrestore(&ctlr->lock, flags);
 
 	/* don't wait for the periodic send (reduces latency) */
-	if (schedule_now)
+	if (schedule_now && ctlr->ctlr_state != JOYCON_CTLR_STATE_REMOVED)
 		queue_work(ctlr->rumble_queue, &ctlr->rumble_worker);
 
+	spin_unlock_irqrestore(&ctlr->lock, flags);
+
 	return 0;
 }
 

drivers/hid/hid-quirks.c

@@ -314,6 +314,8 @@ static const struct hid_device_id hid_have_special_driver[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_2021) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_FINGERPRINT_2021) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_TOUCHBAR_BACKLIGHT) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_TOUCHBAR_DISPLAY) },
 #endif
 #if IS_ENABLED(CONFIG_HID_APPLEIR)
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL) },

drivers/hid/hid-steam.c

@@ -134,6 +134,11 @@ static int steam_recv_report(struct steam_device *steam,
 	int ret;
 
 	r = steam->hdev->report_enum[HID_FEATURE_REPORT].report_id_hash[0];
+	if (!r) {
+		hid_err(steam->hdev, "No HID_FEATURE_REPORT submitted -  nothing to read\n");
+		return -EINVAL;
+	}
+
 	if (hid_report_len(r) < 64)
 		return -EINVAL;
 
@@ -165,6 +170,11 @@ static int steam_send_report(struct steam_device *steam,
 	int ret;
 
 	r = steam->hdev->report_enum[HID_FEATURE_REPORT].report_id_hash[0];
+	if (!r) {
+		hid_err(steam->hdev, "No HID_FEATURE_REPORT submitted -  nothing to read\n");
+		return -EINVAL;
+	}
+
 	if (hid_report_len(r) < 64)
 		return -EINVAL;
 

drivers/hid/hid-thrustmaster.c

@@ -67,12 +67,13 @@ static const struct tm_wheel_info tm_wheels_infos[] = {
 	{0x0200, 0x0005, "Thrustmaster T300RS (Missing Attachment)"},
 	{0x0206, 0x0005, "Thrustmaster T300RS"},
 	{0x0209, 0x0005, "Thrustmaster T300RS (Open Wheel Attachment)"},
+	{0x020a, 0x0005, "Thrustmaster T300RS (Sparco R383 Mod)"},
 	{0x0204, 0x0005, "Thrustmaster T300 Ferrari Alcantara Edition"},
 	{0x0002, 0x0002, "Thrustmaster T500RS"}
 	//{0x0407, 0x0001, "Thrustmaster TMX"}
 };
 
-static const uint8_t tm_wheels_infos_length = 4;
+static const uint8_t tm_wheels_infos_length = 7;
 
 /*
  * This structs contains (in little endian) the response data

drivers/hid/hidraw.c

@@ -350,6 +350,8 @@ static int hidraw_release(struct inode * inode, struct file * file)
 	down_write(&minors_rwsem);
 
 	spin_lock_irqsave(&hidraw_table[minor]->list_lock, flags);
+	for (int i = list->tail; i < list->head; i++)
+		kfree(list->buffer[i].value);
 	list_del(&list->node);
 	spin_unlock_irqrestore(&hidraw_table[minor]->list_lock, flags);
 	kfree(list);

drivers/hid/intel-ish-hid/ipc/hw-ish.h

@@ -32,6 +32,7 @@
 #define ADL_P_DEVICE_ID		0x51FC
 #define ADL_N_DEVICE_ID		0x54FC
 #define RPL_S_DEVICE_ID		0x7A78
+#define MTL_P_DEVICE_ID		0x7E45
 
 #define	REVISION_ID_CHT_A0	0x6
 #define	REVISION_ID_CHT_Ax_SI	0x0

drivers/hid/intel-ish-hid/ipc/pci-ish.c

@@ -43,6 +43,7 @@ static const struct pci_device_id ish_pci_tbl[] = {
 	{PCI_DEVICE(PCI_VENDOR_ID_INTEL, ADL_P_DEVICE_ID)},
 	{PCI_DEVICE(PCI_VENDOR_ID_INTEL, ADL_N_DEVICE_ID)},
 	{PCI_DEVICE(PCI_VENDOR_ID_INTEL, RPL_S_DEVICE_ID)},
+	{PCI_DEVICE(PCI_VENDOR_ID_INTEL, MTL_P_DEVICE_ID)},
 	{0, }
 };
 MODULE_DEVICE_TABLE(pci, ish_pci_tbl);

drivers/hid/intel-ish-hid/ishtp-hid.h

@@ -105,7 +105,7 @@ struct report_list {
  * @multi_packet_cnt:	Count of fragmented packet count
  *
  * This structure is used to store completion flags and per client data like
- * like report description, number of HID devices etc.
+ * report description, number of HID devices etc.
  */
 struct ishtp_cl_data {
 	/* completion flags */

drivers/hid/intel-ish-hid/ishtp/client.c

@@ -626,13 +626,14 @@ static void ishtp_cl_read_complete(struct ishtp_cl_rb *rb)
 }
 
 /**
- * ipc_tx_callback() - IPC tx callback function
+ * ipc_tx_send() - IPC tx send function
  * @prm: Pointer to client device instance
  *
- * Send message over IPC either first time or on callback on previous message
+ * Send message over IPC. Message will be split into fragments
- * completion
+ * if message size is bigger than IPC FIFO size, and all
+ * fragments will be sent one by one.
  */
-static void ipc_tx_callback(void *prm)
+static void ipc_tx_send(void *prm)
 {
 	struct ishtp_cl	*cl = prm;
 	struct ishtp_cl_tx_ring	*cl_msg;
@@ -677,32 +678,41 @@ static void ipc_tx_callback(void *prm)
 			    list);
 	rem = cl_msg->send_buf.size - cl->tx_offs;
 
-	ishtp_hdr.host_addr = cl->host_client_id;
+	while (rem > 0) {
-	ishtp_hdr.fw_addr = cl->fw_client_id;
+		ishtp_hdr.host_addr = cl->host_client_id;
-	ishtp_hdr.reserved = 0;
+		ishtp_hdr.fw_addr = cl->fw_client_id;
-	pmsg = cl_msg->send_buf.data + cl->tx_offs;
+		ishtp_hdr.reserved = 0;
+		pmsg = cl_msg->send_buf.data + cl->tx_offs;
 
-	if (rem <= dev->mtu) {
+		if (rem <= dev->mtu) {
-		ishtp_hdr.length = rem;
+			/* Last fragment or only one packet */
-		ishtp_hdr.msg_complete = 1;
+			ishtp_hdr.length = rem;
-		cl->sending = 0;
+			ishtp_hdr.msg_complete = 1;
-		list_del_init(&cl_msg->list);	/* Must be before write */
+			/* Submit to IPC queue with no callback */
-		spin_unlock_irqrestore(&cl->tx_list_spinlock, tx_flags);
+			ishtp_write_message(dev, &ishtp_hdr, pmsg);
-		/* Submit to IPC queue with no callback */
+			cl->tx_offs = 0;
-		ishtp_write_message(dev, &ishtp_hdr, pmsg);
+			cl->sending = 0;
-		spin_lock_irqsave(&cl->tx_free_list_spinlock, tx_free_flags);
+
-		list_add_tail(&cl_msg->list, &cl->tx_free_list.list);
+			break;
-		++cl->tx_ring_free_size;
+		} else {
-		spin_unlock_irqrestore(&cl->tx_free_list_spinlock,
+			/* Send ipc fragment */
-			tx_free_flags);
+			ishtp_hdr.length = dev->mtu;
-	} else {
+			ishtp_hdr.msg_complete = 0;
-		/* Send IPC fragment */
+			/* All fregments submitted to IPC queue with no callback */
-		spin_unlock_irqrestore(&cl->tx_list_spinlock, tx_flags);
+			ishtp_write_message(dev, &ishtp_hdr, pmsg);
-		cl->tx_offs += dev->mtu;
+			cl->tx_offs += dev->mtu;
-		ishtp_hdr.length = dev->mtu;
+			rem = cl_msg->send_buf.size - cl->tx_offs;
-		ishtp_hdr.msg_complete = 0;
+		}
-		ishtp_send_msg(dev, &ishtp_hdr, pmsg, ipc_tx_callback, cl);
 	}
+
+	list_del_init(&cl_msg->list);
+	spin_unlock_irqrestore(&cl->tx_list_spinlock, tx_flags);
+
+	spin_lock_irqsave(&cl->tx_free_list_spinlock, tx_free_flags);
+	list_add_tail(&cl_msg->list, &cl->tx_free_list.list);
+	++cl->tx_ring_free_size;
+	spin_unlock_irqrestore(&cl->tx_free_list_spinlock,
+		tx_free_flags);
 }
 
 /**
@@ -720,7 +730,7 @@ static void ishtp_cl_send_msg_ipc(struct ishtp_device *dev,
 		return;
 
 	cl->tx_offs = 0;
-	ipc_tx_callback(cl);
+	ipc_tx_send(cl);
 	++cl->send_msg_cnt_ipc;
 }