staging: unisys: visorbus: Fix memory leak

The name of a visor_device was never freed, which was allocated in
visorbus_configure.

It is expected that visorbus_device_destroy will not be called on the
same visor_device again, or this would be a double free.

Signed-off-by: Zachary Dremann <dremann@gmail.com>
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: David Binder <david.binder@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/unisys/visorbus/visorchipset.c

@@ -933,6 +933,7 @@ visorbus_device_destroy(struct controlvm_message *inmsg)
 		dev_info->pending_msg_hdr = pmsg_hdr;
 	}
 
+	kfree(dev_info->name);
 	visorchipset_device_destroy(dev_info);
 	return 0;