/* * netvsc_device_remove - Callback when the root bus device is removed */ int netvsc_device_remove(struct hv_device *device) { struct netvsc_device *net_device; unsigned long flags; net_device = hv_get_drvdata(device); netvsc_disconnect_vsp(net_device); /* * Since we have already drained, we don't need to busy wait * as was done in final_release_stor_device() * Note that we cannot set the ext pointer to NULL until * we have drained - to drain the outgoing packets, we need to * allow incoming packets. */ spin_lock_irqsave(&device->channel->inbound_lock, flags); hv_set_drvdata(device, NULL); spin_unlock_irqrestore(&device->channel->inbound_lock, flags); /* * At this point, no one should be accessing net_device * except in here */ dev_notice(&device->device, "net device safe to remove\n"); /* Now, we can close the channel safely */ vmbus_close(device->channel); /* Release all resources */ vfree(net_device->sub_cb_buf); free_netvsc_device(net_device); return 0; }
/* * netvsc_device_remove - Callback when the root bus device is removed */ int netvsc_device_remove(struct hv_device *device) { struct net_device *ndev = hv_get_drvdata(device); struct net_device_context *net_device_ctx = netdev_priv(ndev); struct netvsc_device *net_device = net_device_ctx->nvdev; netvsc_disconnect_vsp(device); net_device_ctx->nvdev = NULL; /* * At this point, no one should be accessing net_device * except in here */ dev_notice(&device->device, "net device safe to remove\n"); /* Now, we can close the channel safely */ vmbus_close(device->channel); /* Release all resources */ vfree(net_device->sub_cb_buf); free_netvsc_device(net_device); return 0; }