diff options
Diffstat (limited to 'drivers/net/hyperv/rndis_filter.c')
| -rw-r--r-- | drivers/net/hyperv/rndis_filter.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/drivers/net/hyperv/rndis_filter.c b/drivers/net/hyperv/rndis_filter.c index fbf539468205..1e88a1095934 100644 --- a/drivers/net/hyperv/rndis_filter.c +++ b/drivers/net/hyperv/rndis_filter.c @@ -718,6 +718,9 @@ static void rndis_filter_halt_device(struct rndis_device *dev) { struct rndis_request *request; struct rndis_halt_request *halt; + struct netvsc_device *nvdev = dev->net_dev; + struct hv_device *hdev = nvdev->dev; + ulong flags; /* Attempt to do a rndis device halt */ request = get_rndis_request(dev, RNDIS_MSG_HALT, @@ -735,6 +738,14 @@ static void rndis_filter_halt_device(struct rndis_device *dev) dev->state = RNDIS_DEV_UNINITIALIZED; cleanup: + spin_lock_irqsave(&hdev->channel->inbound_lock, flags); + nvdev->destroy = true; + spin_unlock_irqrestore(&hdev->channel->inbound_lock, flags); + + /* Wait for all send completions */ + wait_event(nvdev->wait_drain, + atomic_read(&nvdev->num_outstanding_sends) == 0); + if (request) put_rndis_request(dev, request); return; @@ -804,18 +815,15 @@ int rndis_filter_device_add(struct hv_device *dev, /* Send the rndis initialization message */ ret = rndis_filter_init_device(rndis_device); if (ret != 0) { - /* - * TODO: If rndis init failed, we will need to shut down the - * channel - */ + rndis_filter_device_remove(dev); + return ret; } /* Get the mac address */ ret = rndis_filter_query_device_mac(rndis_device); if (ret != 0) { - /* - * TODO: shutdown rndis device and the channel - */ + rndis_filter_device_remove(dev); + return ret; } memcpy(device_info->mac_adr, rndis_device->hw_mac_adr, ETH_ALEN); |