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hv: hv_util: move vmbus_open() to a later place

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Before the line vmbus_open() returns, srv->util_cb can be already running
and the variables, like util_fw_version, are needed by the srv->util_cb.

So we have to make sure the variables are initialized before the vmbus_open().

CC: "K. Y. Srinivasan" <[email protected]>
Reviewed-by: Vitaly Kuznetsov <[email protected]>
Reviewed-by: Jason Wang <[email protected]>
Signed-off-by: Dexuan Cui <[email protected]>
Signed-off-by: K. Y. Srinivasan <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Dexuan Cui 2015-02-27 11:25:58 -08:00 • committed by Greg Kroah-Hartman
commit 1896566372
1 changed files with 6 additions and 5 deletions
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11
drivers/hv/hv_util.c
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@ -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: