diff --git a/drivers/usb/usbip/stub_dev.c b/drivers/usb/usbip/stub_dev.c
index 2305d425e6c9..f63a22562ead 100644
--- a/drivers/usb/usbip/stub_dev.c
+++ b/drivers/usb/usbip/stub_dev.c
@@ -39,12 +39,11 @@ static DEVICE_ATTR_RO(usbip_status);
  * is used to transfer usbip requests by kernel threads. -1 is a magic number
  * by which usbip connection is finished.
  */
-static ssize_t usbip_sockfd_store(struct device *dev, struct device_attribute *attr,
-			    const char *buf, size_t count)
+static ssize_t __usbip_sockfd_store(struct device *dev, struct device_attribute *attr,
+				    const char *buf, size_t count)
 {
 	struct stub_device *sdev = dev_get_drvdata(dev);
 	int sockfd = 0;
-	struct socket *socket;
 	int rv;
 
 	if (!sdev) {
@@ -57,7 +56,12 @@ static ssize_t usbip_sockfd_store(struct device *dev, struct device_attribute *a
 		return -EINVAL;
 
 	if (sockfd != -1) {
-		int err;
+		struct usbip_thread_info uti;
+		int err = usbip_prepare_threads(&uti, &sdev->ud, sockfd,
+						stub_tx_loop, "stub_tx", stub_rx_loop, "stub_rx");
+
+		if (err)
+			return err;
 
 		dev_info(dev, "stub up\n");
 
@@ -65,44 +69,46 @@ static ssize_t usbip_sockfd_store(struct device *dev, struct device_attribute *a
 
 		if (sdev->ud.status != SDEV_ST_AVAILABLE) {
 			dev_err(dev, "not ready\n");
-			goto err;
+			spin_unlock_irq(&sdev->ud.lock);
+			usbip_unprepare_threads(&uti);
+			return -EINVAL;
 		}
 
-		socket = sockfd_lookup(sockfd, &err);
-		if (!socket)
-			goto err;
-
-		sdev->ud.tcp_socket = socket;
+		sdev->ud.tcp_socket = uti.tcp_socket;
 		sdev->ud.sockfd = sockfd;
-
-		spin_unlock_irq(&sdev->ud.lock);
-
-		sdev->ud.tcp_rx = kthread_get_run(stub_rx_loop, &sdev->ud,
-						  "stub_rx");
-		sdev->ud.tcp_tx = kthread_get_run(stub_tx_loop, &sdev->ud,
-						  "stub_tx");
-
-		spin_lock_irq(&sdev->ud.lock);
+		sdev->ud.tcp_rx = uti.tcp_rx;
+		sdev->ud.tcp_tx = uti.tcp_tx;
 		sdev->ud.status = SDEV_ST_USED;
 		spin_unlock_irq(&sdev->ud.lock);
 
+		wake_up_process(sdev->ud.tcp_rx);
+		wake_up_process(sdev->ud.tcp_tx);
 	} else {
 		dev_info(dev, "stub down\n");
 
 		spin_lock_irq(&sdev->ud.lock);
-		if (sdev->ud.status != SDEV_ST_USED)
-			goto err;
-
+		if (sdev->ud.status != SDEV_ST_USED) {
+			spin_unlock_irq(&sdev->ud.lock);
+			return -EINVAL;
+		}
 		spin_unlock_irq(&sdev->ud.lock);
 
 		usbip_event_add(&sdev->ud, SDEV_EVENT_DOWN);
 	}
 
 	return count;
+}
 
-err:
-	spin_unlock_irq(&sdev->ud.lock);
-	return -EINVAL;
+static ssize_t usbip_sockfd_store(struct device *dev, struct device_attribute *attr,
+				  const char *buf, size_t count)
+{
+	ssize_t ret = usbip_event_lock_killable();
+
+	if (ret)
+		return ret;
+	ret = __usbip_sockfd_store(dev, attr, buf, count);
+	usbip_event_unlock();
+	return ret;
 }
 static DEVICE_ATTR_WO(usbip_sockfd);
 
diff --git a/drivers/usb/usbip/usbip_common.c b/drivers/usb/usbip/usbip_common.c
index 2ab99244bc31..f86e49fc89a7 100644
--- a/drivers/usb/usbip/usbip_common.c
+++ b/drivers/usb/usbip/usbip_common.c
@@ -748,6 +748,61 @@ int usbip_recv_xbuff(struct usbip_device *ud, struct urb *urb)
 }
 EXPORT_SYMBOL_GPL(usbip_recv_xbuff);
 
+int usbip_prepare_threads(struct usbip_thread_info *uti,
+			  struct usbip_device *ud, int sockfd,
+			  int (*tx_fn)(void *data), const char *tx_name,
+			  int (*rx_fn)(void *data), const char *rx_name)
+{
+	int err;
+	struct socket *socket;
+	struct task_struct *tx;
+	struct task_struct *rx;
+
+	/* Extract socket from fd. */
+	socket = sockfd_lookup(sockfd, &err);
+	if (!socket)
+		return -EINVAL;
+	/* Verify that this is a stream socket. */
+	if (socket->type != SOCK_STREAM) {
+		err = -EINVAL;
+		goto out_socket;
+	}
+	/* Create threads for this socket. */
+	rx = kthread_create(rx_fn, ud, rx_name);
+	if (IS_ERR(rx)) {
+		err = PTR_ERR(rx);
+		goto out_socket;
+	}
+	tx = kthread_create(tx_fn, ud, tx_name);
+	if (IS_ERR(tx)) {
+		err = PTR_ERR(rx);
+		goto out_rx;
+	}
+	uti->tcp_socket = socket;
+	get_task_struct(rx);
+	uti->tcp_rx = rx;
+	get_task_struct(rx);
+	uti->tcp_tx = tx;
+	return 0;
+ out_rx:
+	kthread_stop(rx);
+ out_socket:
+	sockfd_put(socket);
+	return err;
+}
+EXPORT_SYMBOL_GPL(usbip_prepare_threads);
+
+void usbip_unprepare_threads(struct usbip_thread_info *uti)
+{
+	kthread_stop_put(uti->tcp_rx);
+	uti->tcp_rx = NULL;
+	kthread_stop_put(uti->tcp_rx);
+	uti->tcp_rx = NULL;
+	sockfd_put(uti->tcp_socket);
+	uti->tcp_socket = NULL;
+}
+EXPORT_SYMBOL_GPL(usbip_unprepare_threads);
+
 static int __init usbip_core_init(void)
 {
 	return usbip_init_eh();
diff --git a/drivers/usb/usbip/usbip_common.h b/drivers/usb/usbip/usbip_common.h
index 8be857a4fa13..c5e8e61ddf91 100644
--- a/drivers/usb/usbip/usbip_common.h
+++ b/drivers/usb/usbip/usbip_common.h
@@ -279,17 +279,6 @@ struct usbip_device {
 	} eh_ops;
 };
 
-#define kthread_get_run(threadfn, data, namefmt, ...)			   \
-({									   \
-	struct task_struct *__k						   \
-		= kthread_create(threadfn, data, namefmt, ## __VA_ARGS__); \
-	if (!IS_ERR(__k)) {						   \
-		get_task_struct(__k);					   \
-		wake_up_process(__k);					   \
-	}								   \
-	__k;								   \
-})
-
 #define kthread_stop_put(k)		\
 	do {				\
 		kthread_stop(k);	\
@@ -309,6 +298,18 @@ void usbip_header_correct_endian(struct usbip_header *pdu, int send);
 struct usbip_iso_packet_descriptor*
 usbip_alloc_iso_desc_pdu(struct urb *urb, ssize_t *bufflen);
 
+struct usbip_thread_info {
+	struct socket *tcp_socket;
+	struct task_struct *tcp_tx;
+	struct task_struct *tcp_rx;
+};
+
+int usbip_prepare_threads(struct usbip_thread_info *uti,
+			  struct usbip_device *ud, int sockfd,
+			  int (*tx_fn)(void *data), const char *tx_name,
+			  int (*rx_fn)(void *data), const char *rx_name);
+void usbip_unprepare_threads(struct usbip_thread_info *uti);
+
 /* some members of urb must be substituted before. */
 int usbip_recv_iso(struct usbip_device *ud, struct urb *urb);
 void usbip_pad_iso(struct usbip_device *ud, struct urb *urb);
@@ -322,6 +323,8 @@ void usbip_stop_eh(struct usbip_device *ud);
 void usbip_event_add(struct usbip_device *ud, unsigned long event);
 int usbip_event_happened(struct usbip_device *ud);
 int usbip_in_eh(struct task_struct *task);
+int usbip_event_lock_killable(void);
+void usbip_event_unlock(void);
 
 static inline int interface_to_busnum(struct usb_interface *interface)
 {
diff --git a/drivers/usb/usbip/usbip_event.c b/drivers/usb/usbip/usbip_event.c
index 5d88917c9631..e05b858f346d 100644
--- a/drivers/usb/usbip/usbip_event.c
+++ b/drivers/usb/usbip/usbip_event.c
@@ -58,6 +58,19 @@ static struct usbip_device *get_event(void)
 }
 
 static struct task_struct *worker_context;
+static DEFINE_MUTEX(usbip_event_mutex);
+
+int usbip_event_lock_killable(void)
+{
+	return mutex_lock_killable(&usbip_event_mutex);
+}
+EXPORT_SYMBOL_GPL(usbip_event_lock_killable);
+
+void usbip_event_unlock(void)
+{
+	mutex_unlock(&usbip_event_mutex);
+}
+EXPORT_SYMBOL_GPL(usbip_event_unlock);
 
 static void event_handler(struct work_struct *work)
 {
@@ -68,6 +81,7 @@ static void event_handler(struct work_struct *work)
 	}
 
 	while ((ud = get_event()) != NULL) {
+		mutex_lock(&usbip_event_mutex);
 		usbip_dbg_eh("pending event %lx\n", ud->event);
 
 		/*
@@ -91,6 +105,7 @@ static void event_handler(struct work_struct *work)
 			unset_event(ud, USBIP_EH_UNUSABLE);
 		}
 
+		mutex_unlock(&usbip_event_mutex);
 		wake_up(&ud->eh_waitq);
 	}
 }
diff --git a/drivers/usb/usbip/vhci_hcd.c b/drivers/usb/usbip/vhci_hcd.c
index 3209b5ddd30c..b2adb1a32388 100644
--- a/drivers/usb/usbip/vhci_hcd.c
+++ b/drivers/usb/usbip/vhci_hcd.c
@@ -1015,21 +1015,21 @@ static void vhci_shutdown_connection(struct usbip_device *ud)
 	}
 
 	/* kill threads related to this sdev */
-	if (vdev->ud.tcp_rx) {
-		kthread_stop_put(vdev->ud.tcp_rx);
-		vdev->ud.tcp_rx = NULL;
+	if (ud->tcp_rx) {
+		kthread_stop_put(ud->tcp_rx);
+		ud->tcp_rx = NULL;
 	}
-	if (vdev->ud.tcp_tx) {
-		kthread_stop_put(vdev->ud.tcp_tx);
-		vdev->ud.tcp_tx = NULL;
+	if (ud->tcp_tx) {
+		kthread_stop_put(ud->tcp_tx);
+		ud->tcp_tx = NULL;
 	}
 	pr_info("stop threads\n");
 
 	/* active connection is closed */
-	if (vdev->ud.tcp_socket) {
-		sockfd_put(vdev->ud.tcp_socket);
-		vdev->ud.tcp_socket = NULL;
-		vdev->ud.sockfd = -1;
+	if (ud->tcp_socket) {
+		sockfd_put(ud->tcp_socket);
+		ud->tcp_socket = NULL;
+		ud->sockfd = -1;
 	}
 	pr_info("release socket\n");
 
@@ -1072,12 +1072,6 @@ static void vhci_device_reset(struct usbip_device *ud)
 
 	usb_put_dev(vdev->udev);
 	vdev->udev = NULL;
-
-	if (ud->tcp_socket) {
-		sockfd_put(ud->tcp_socket);
-		ud->tcp_socket = NULL;
-		ud->sockfd = -1;
-	}
 	ud->status = VDEV_ST_NULL;
 
 	spin_unlock_irqrestore(&ud->lock, flags);
diff --git a/drivers/usb/usbip/vhci_sysfs.c b/drivers/usb/usbip/vhci_sysfs.c
index be37aec250c2..55d38fc23d09 100644
--- a/drivers/usb/usbip/vhci_sysfs.c
+++ b/drivers/usb/usbip/vhci_sysfs.c
@@ -225,8 +225,8 @@ static int valid_port(__u32 *pdev_nr, __u32 *rhport)
 	return 1;
 }
 
-static ssize_t detach_store(struct device *dev, struct device_attribute *attr,
-			    const char *buf, size_t count)
+static ssize_t __detach_store(struct device *dev, struct device_attribute *attr,
+			      const char *buf, size_t count)
 {
 	__u32 port = 0, pdev_nr = 0, rhport = 0;
 	struct usb_hcd *hcd;
@@ -263,6 +263,17 @@ static ssize_t detach_store(struct device *dev, struct device_attribute *attr,
 
 	return count;
 }
+static ssize_t detach_store(struct device *dev, struct device_attribute *attr,
+			    const char *buf, size_t count)
+{
+	ssize_t ret = usbip_event_lock_killable();
+
+	if (ret)
+		return ret;
+	ret = __detach_store(dev, attr, buf, count);
+	usbip_event_unlock();
+	return ret;
+}
 static DEVICE_ATTR_WO(detach);
 
 static int valid_args(__u32 *pdev_nr, __u32 *rhport,
@@ -300,10 +311,10 @@ static int valid_args(__u32 *pdev_nr, __u32 *rhport,
  *
  * write() returns 0 on success, else negative errno.
  */
-static ssize_t attach_store(struct device *dev, struct device_attribute *attr,
-			    const char *buf, size_t count)
+static ssize_t __attach_store(struct device *dev, struct device_attribute *attr,
+			      const char *buf, size_t count)
 {
-	struct socket *socket;
+	struct usbip_thread_info uti;
 	int sockfd = 0;
 	__u32 port = 0, pdev_nr = 0, rhport = 0, devid = 0, speed = 0;
 	struct usb_hcd *hcd;
@@ -347,10 +358,10 @@ static ssize_t attach_store(struct device *dev, struct device_attribute *attr,
 	else
 		vdev = &vhci->vhci_hcd_hs->vdev[rhport];
 
-	/* Extract socket from fd. */
-	socket = sockfd_lookup(sockfd, &err);
-	if (!socket)
-		return -EINVAL;
+	err = usbip_prepare_threads(&uti, &vdev->ud, sockfd,
+				    vhci_tx_loop, "vhci_tx", vhci_rx_loop, "vhci_rx");
+	if (err)
+		return err;
 
 	/* now need lock until setting vdev status as used */
 
@@ -363,7 +374,7 @@ static ssize_t attach_store(struct device *dev, struct device_attribute *attr,
 		spin_unlock(&vdev->ud.lock);
 		spin_unlock_irqrestore(&vhci->lock, flags);
 
-		sockfd_put(socket);
+		usbip_unprepare_threads(&uti);
 
 		dev_err(dev, "port %d already used\n", rhport);
 		/*
@@ -381,20 +392,33 @@ static ssize_t attach_store(struct device *dev, struct device_attribute *attr,
 	vdev->devid         = devid;
 	vdev->speed         = speed;
 	vdev->ud.sockfd     = sockfd;
-	vdev->ud.tcp_socket = socket;
+	vdev->ud.tcp_socket = uti.tcp_socket;
+	vdev->ud.tcp_rx     = uti.tcp_rx;
+	vdev->ud.tcp_tx     = uti.tcp_tx;
 	vdev->ud.status     = VDEV_ST_NOTASSIGNED;
 
 	spin_unlock(&vdev->ud.lock);
 	spin_unlock_irqrestore(&vhci->lock, flags);
 	/* end the lock */
 
-	vdev->ud.tcp_rx = kthread_get_run(vhci_rx_loop, &vdev->ud, "vhci_rx");
-	vdev->ud.tcp_tx = kthread_get_run(vhci_tx_loop, &vdev->ud, "vhci_tx");
+	wake_up_process(vdev->ud.tcp_rx);
+	wake_up_process(vdev->ud.tcp_tx);
 
 	rh_port_connect(vdev, speed);
 
 	return count;
 }
+static ssize_t attach_store(struct device *dev, struct device_attribute *attr,
+			    const char *buf, size_t count)
+{
+	ssize_t ret = usbip_event_lock_killable();
+
+	if (ret)
+		return ret;
+	ret = __attach_store(dev, attr, buf, count);
+	usbip_event_unlock();
+	return ret;
+}
 static DEVICE_ATTR_WO(attach);
 
 #define MAX_STATUS_NAME 16
diff --git a/drivers/usb/usbip/vudc_sysfs.c b/drivers/usb/usbip/vudc_sysfs.c
index 100f680c572a..ff3cf225a4fa 100644
--- a/drivers/usb/usbip/vudc_sysfs.c
+++ b/drivers/usb/usbip/vudc_sysfs.c
@@ -90,14 +90,13 @@ static ssize_t dev_desc_read(struct file *file, struct kobject *kobj,
 }
 static BIN_ATTR_RO(dev_desc, sizeof(struct usb_device_descriptor));
 
-static ssize_t usbip_sockfd_store(struct device *dev, struct device_attribute *attr,
-		     const char *in, size_t count)
+static ssize_t __usbip_sockfd_store(struct device *dev, struct device_attribute *attr,
+				    const char *in, size_t count)
 {
 	struct vudc *udc = (struct vudc *) dev_get_drvdata(dev);
 	int rv;
 	int sockfd = 0;
-	int err;
-	struct socket *socket;
+	struct usbip_thread_info uti = { };
 	unsigned long flags;
 	int ret;
 
@@ -109,6 +108,14 @@ static ssize_t usbip_sockfd_store(struct device *dev, struct device_attribute *a
 		dev_err(dev, "no device");
 		return -ENODEV;
 	}
+
+	if (sockfd != -1) {
+		ret = usbip_prepare_threads(&uti, &udc->ud, sockfd,
+					    v_tx_loop, "vudc_tx", v_rx_loop, "vudc_rx");
+		if (ret)
+			return ret;
+	}
+
 	spin_lock_irqsave(&udc->lock, flags);
 	/* Don't export what we don't have */
 	if (!udc->driver || !udc->pullup) {
@@ -130,28 +137,17 @@ static ssize_t usbip_sockfd_store(struct device *dev, struct device_attribute *a
 			ret = -EINVAL;
 			goto unlock_ud;
 		}
-
-		socket = sockfd_lookup(sockfd, &err);
-		if (!socket) {
-			dev_err(dev, "failed to lookup sock");
-			ret = -EINVAL;
-			goto unlock_ud;
-		}
-
-		udc->ud.tcp_socket = socket;
-
+		udc->ud.tcp_socket = uti.tcp_socket;
+		udc->ud.tcp_rx = uti.tcp_rx;
+		udc->ud.tcp_tx = uti.tcp_tx;
+		udc->ud.status = SDEV_ST_USED;
 		spin_unlock_irq(&udc->ud.lock);
 		spin_unlock_irqrestore(&udc->lock, flags);
 
-		udc->ud.tcp_rx = kthread_get_run(&v_rx_loop,
-						    &udc->ud, "vudc_rx");
-		udc->ud.tcp_tx = kthread_get_run(&v_tx_loop,
-						    &udc->ud, "vudc_tx");
+		wake_up_process(udc->ud.tcp_rx);
+		wake_up_process(udc->ud.tcp_tx);
 
 		spin_lock_irqsave(&udc->lock, flags);
-		spin_lock_irq(&udc->ud.lock);
-		udc->ud.status = SDEV_ST_USED;
-		spin_unlock_irq(&udc->ud.lock);
 
 		ktime_get_ts64(&udc->start_time);
 		v_start_timer(udc);
@@ -181,7 +177,19 @@ static ssize_t usbip_sockfd_store(struct device *dev, struct device_attribute *a
 	spin_unlock_irq(&udc->ud.lock);
 unlock:
 	spin_unlock_irqrestore(&udc->lock, flags);
+	if (uti.tcp_socket)
+		usbip_unprepare_threads(&uti);
+	return ret;
+}
+static ssize_t usbip_sockfd_store(struct device *dev, struct device_attribute *attr,
+				  const char *in, size_t count)
+{
+	ssize_t ret = usbip_event_lock_killable();
 
+	if (ret)
+		return ret;
+	ret = __usbip_sockfd_store(dev, attr, in, count);
+	usbip_event_unlock();
 	return ret;
 }
 static DEVICE_ATTR_WO(usbip_sockfd);