xen-netback: stop the guest rx thread after a fatal error

[cascardo/linux.git] / drivers / net / xen-netback / interface.c

diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c
index 9259a73..037f74f 100644 (file)
--- a/drivers/net/xen-netback/interface.c
+++ b/drivers/net/xen-netback/interface.c
@@ -578,6 +578,7 @@ int xenvif_connect(struct xenvif_queue *queue, unsigned long tx_ring_ref,
                goto err_rx_unbind;
        }
        queue->task = task;
+       get_task_struct(task);
 
        task = kthread_create(xenvif_dealloc_kthread,
                              (void *)queue, "%s-dealloc", queue->name);
@@ -634,6 +635,7 @@ void xenvif_disconnect(struct xenvif *vif)
 
                if (queue->task) {
                        kthread_stop(queue->task);
+                       put_task_struct(queue->task);
                        queue->task = NULL;
                }