1 files changed, 28 insertions, 3 deletions

diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c
index f17297f2943d..86ef5c1a7928 100644
--- a/drivers/misc/mei/main.c
+++ b/drivers/misc/mei/main.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * Copyright (c) 2003-2018, Intel Corporation. All rights reserved.
+ * Copyright (c) 2003-2020, Intel Corporation. All rights reserved.
  * Intel Management Engine Interface (Intel MEI) Linux driver
  */
 
@@ -476,7 +476,7 @@ static long mei_ioctl(struct file *file, unsigned int cmd, unsigned long data)
 	case IOCTL_MEI_CONNECT_CLIENT:
 		dev_dbg(dev->dev, ": IOCTL_MEI_CONNECT_CLIENT.\n");
 		if (copy_from_user(&connect_data, (char __user *)data,
-				sizeof(struct mei_connect_client_data))) {
+				   sizeof(connect_data))) {
 			dev_dbg(dev->dev, "failed to copy data from userland\n");
 			rets = -EFAULT;
 			goto out;
@@ -488,7 +488,7 @@ static long mei_ioctl(struct file *file, unsigned int cmd, unsigned long data)
 
 		/* if all is ok, copying the data back to user. */
 		if (copy_to_user((char __user *)data, &connect_data,
-				sizeof(struct mei_connect_client_data))) {
+				 sizeof(connect_data))) {
 			dev_dbg(dev->dev, "failed to copy data to userland\n");
 			rets = -EFAULT;
 			goto out;
@@ -885,6 +885,30 @@ void mei_set_devstate(struct mei_device *dev, enum mei_dev_state state)
 	}
 }
 
+/**
+ * kind_show - display device kind
+ *
+ * @device: device pointer
+ * @attr: attribute pointer
+ * @buf: char out buffer
+ *
+ * Return: number of the bytes printed into buf or error
+ */
+static ssize_t kind_show(struct device *device,
+			 struct device_attribute *attr, char *buf)
+{
+	struct mei_device *dev = dev_get_drvdata(device);
+	ssize_t ret;
+
+	if (dev->kind)
+		ret = sprintf(buf, "%s\n", dev->kind);
+	else
+		ret = sprintf(buf, "%s\n", "mei");
+
+	return ret;
+}
+static DEVICE_ATTR_RO(kind);
+
 static struct attribute *mei_attrs[] = {
 	&dev_attr_fw_status.attr,
 	&dev_attr_hbm_ver.attr,
@@ -893,6 +917,7 @@ static struct attribute *mei_attrs[] = {
 	&dev_attr_fw_ver.attr,
 	&dev_attr_dev_state.attr,
 	&dev_attr_trc.attr,
+	&dev_attr_kind.attr,
 	NULL
 };
 ATTRIBUTE_GROUPS(mei);