diff --git a/drivers/misc/mei/amthif.c b/drivers/misc/mei/amthif.c
index b75a7da1ca84..2052609b167a 100644
--- a/drivers/misc/mei/amthif.c
+++ b/drivers/misc/mei/amthif.c
@@ -244,8 +244,10 @@ int mei_amthif_read(struct mei_device *dev, struct file *file,
 	 * the buf_idx may point beyond */
 	length = min_t(size_t, length, (cb->buf_idx - *offset));
 
-	if (copy_to_user(ubuf, cb->response_buffer.data + *offset, length))
+	if (copy_to_user(ubuf, cb->response_buffer.data + *offset, length)) {
+		dev_dbg(&dev->pdev->dev, "failed to copy data to userland\n");
 		rets = -EFAULT;
+	}
 	else {
 		rets = length;
 		if ((*offset + length) < cb->buf_idx) {
diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c
index 4e069b88cc46..bc1c39e72648 100644
--- a/drivers/misc/mei/main.c
+++ b/drivers/misc/mei/main.c
@@ -280,6 +280,7 @@ copy_buffer:
 	length = min_t(size_t, length, cb->buf_idx - *offset);
 
 	if (copy_to_user(ubuf, cb->response_buffer.data + *offset, length)) {
+		dev_dbg(&dev->pdev->dev, "failed to copy data to userland\n");
 		rets = -EFAULT;
 		goto free;
 	}
@@ -400,7 +401,7 @@ static ssize_t mei_write(struct file *file, const char __user *ubuf,
 
 	rets = copy_from_user(write_cb->request_buffer.data, ubuf, length);
 	if (rets) {
-		dev_err(&dev->pdev->dev, "failed to copy data from userland\n");
+		dev_dbg(&dev->pdev->dev, "failed to copy data from userland\n");
 		rets = -EFAULT;
 		goto out;
 	}
@@ -565,7 +566,7 @@ static long mei_ioctl(struct file *file, unsigned int cmd, unsigned long data)
 	dev_dbg(&dev->pdev->dev, "copy connect data from user\n");
 	if (copy_from_user(connect_data, (char __user *)data,
 				sizeof(struct mei_connect_client_data))) {
-		dev_err(&dev->pdev->dev, "failed to copy data from userland\n");
+		dev_dbg(&dev->pdev->dev, "failed to copy data from userland\n");
 		rets = -EFAULT;
 		goto out;
 	}