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| author | Dexuan Cui <decui@microsoft.com> | 2015-02-27 11:25:58 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-03-01 19:30:07 -0800 |
| commit | 1896566372579939eb86414ea3d664f18d5e909c (patch) | |
| tree | 52e4b7aa7b4a7390bd041b671c4eee5e74e08289 /drivers/hv/hv_util.c | |
| parent | e086748c655ab99bac91b87d1bb59d9cc45867b9 (diff) | |
| download | linux-stable-1896566372579939eb86414ea3d664f18d5e909c.tar.gz linux-stable-1896566372579939eb86414ea3d664f18d5e909c.tar.bz2 linux-stable-1896566372579939eb86414ea3d664f18d5e909c.zip | |
hv: hv_util: move vmbus_open() to a later place
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" <kys@microsoft.com>
Reviewed-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Reviewed-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Dexuan Cui <decui@microsoft.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hv/hv_util.c')
| -rw-r--r-- | drivers/hv/hv_util.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/hv/hv_util.c b/drivers/hv/hv_util.c index 3b9c9ef0deb8..c5be7737559f 100644 --- a/drivers/hv/hv_util.c +++ b/drivers/hv/hv_util.c @@ -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: |