diff --git a/drivers/usb/misc/iowarrior.c b/drivers/usb/misc/iowarrior.c
index c06238ce7..2a0036d8f 100755
--- a/drivers/usb/misc/iowarrior.c
+++ b/drivers/usb/misc/iowarrior.c
@@ -915,7 +915,6 @@ error:
 static void iowarrior_disconnect(struct usb_interface *interface)
 {
 	struct iowarrior *dev = usb_get_intfdata(interface);
-	int minor = dev->minor;
 
 	usb_deregister_dev(interface, &iowarrior_class);
 
@@ -939,9 +938,6 @@ static void iowarrior_disconnect(struct usb_interface *interface)
 		mutex_unlock(&dev->mutex);
 		iowarrior_delete(dev);
 	}
-
-	dev_info(&interface->dev, "I/O-Warror #%d now disconnected\n",
-		 minor - IOWARRIOR_MINOR_BASE);
 }
 
 /* usb specific object needed to register this driver with the usb subsystem */
diff --git a/drivers/usb/misc/yurex.c b/drivers/usb/misc/yurex.c
index 6c3d760bd..ffc0a3e46 100755
--- a/drivers/usb/misc/yurex.c
+++ b/drivers/usb/misc/yurex.c
@@ -440,7 +440,10 @@ static ssize_t yurex_write(struct file *file, const char __user *user_buffer,
 	if (count == 0)
 		goto error;
 
-	mutex_lock(&dev->io_mutex);
+	retval = mutex_lock_interruptible(&dev->io_mutex);
+	if (retval < 0)
+		return -EINTR;
+
 	if (dev->disconnected) {		/* already disconnected */
 		mutex_unlock(&dev->io_mutex);
 		retval = -ENODEV;