Merge remote-tracking branches 'asoc/fix/rt5677', 'asoc/fix/samsung' and 'asoc/fix...
[firefly-linux-kernel-4.4.55.git] / drivers / hv / hv_util.c
index 3b9c9ef0deb8788da071344a4948c933100e9529..7994ec2e4151b085bbcb596d8ddbd4d8765b939e 100644 (file)
@@ -340,12 +340,8 @@ static int util_probe(struct hv_device *dev,
 
        set_channel_read_state(dev->channel, false);
 
-       ret = vmbus_open(dev->channel, 4 * PAGE_SIZE, 4 * PAGE_SIZE, NULL, 0,
-                       srv->util_cb, dev->channel);
-       if (ret)
-               goto error;
-
        hv_set_drvdata(dev, srv);
+
        /*
         * Based on the host; initialize the framework and
         * service version numbers we will negotiate.
@@ -365,6 +361,11 @@ static int util_probe(struct hv_device *dev,
                hb_srv_version = HB_VERSION;
        }
 
+       ret = vmbus_open(dev->channel, 4 * PAGE_SIZE, 4 * PAGE_SIZE, NULL, 0,
+                       srv->util_cb, dev->channel);
+       if (ret)
+               goto error;
+
        return 0;
 
 error:
@@ -379,9 +380,9 @@ static int util_remove(struct hv_device *dev)
 {
        struct hv_util_service *srv = hv_get_drvdata(dev);
 
-       vmbus_close(dev->channel);
        if (srv->util_deinit)
                srv->util_deinit();
+       vmbus_close(dev->channel);
        kfree(srv->recv_buffer);
 
        return 0;