[S390] qdio: Dont call qdio_shutdown in case qdio_activate fails

Remove the call to qdio_shutdown from qdio_activate since the upper-layer
drivers are responsible to call qdio_shutdown when qdio_activate returns
with an error.
Signed-off-by: NJan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>

drivers/s390/cio/qdio_main.c

@@ -1404,9 +1404,8 @@ int qdio_activate(struct ccw_device *cdev)
 	switch (irq_ptr->state) {
 	case QDIO_IRQ_STATE_STOPPED:
 	case QDIO_IRQ_STATE_ERR:
-		mutex_unlock(&irq_ptr->setup_mutex);
-		qdio_shutdown(cdev, QDIO_FLAG_CLEANUP_USING_CLEAR);
-		return -EIO;
+		rc = -EIO;
+		break;
 	default:
 		qdio_set_state(irq_ptr, QDIO_IRQ_STATE_ACTIVE);
 		rc = 0;