[PATCH] usb-serial: free interrupt_out_buffer in cleanup routines

This patch frees interrupt_out_buffer in the cleanup routines.

Signed off by: Lonnie Mendez <lmendez19@austin.rr.com>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>

drivers/usb/serial/usb-serial.c

@@ -463,6 +463,7 @@ static void destroy_serial(struct kref *kref)
 			kfree(port->bulk_in_buffer);
 			kfree(port->bulk_out_buffer);
 			kfree(port->interrupt_in_buffer);
+			kfree(port->interrupt_out_buffer);
 		}
 	}
 
@@ -814,6 +815,7 @@ static void port_release(struct device *dev)
 	kfree(port->bulk_in_buffer);
 	kfree(port->bulk_out_buffer);
 	kfree(port->interrupt_in_buffer);
+	kfree(port->interrupt_out_buffer);
 	kfree(port);
 }