forked from luck/tmp_suning_uos_patched
mei: return error on notification request to a disconnected client
Request for a notification from a disconnected client will be ignored silently by the FW but the caller should know that the operation hasn't succeeded. Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -1331,6 +1331,9 @@ int mei_cl_notify_request(struct mei_cl *cl,
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return -EOPNOTSUPP;
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}
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if (!mei_cl_is_connected(cl))
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return -ENODEV;
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rets = pm_runtime_get(dev->dev);
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if (rets < 0 && rets != -EINPROGRESS) {
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pm_runtime_put_noidle(dev->dev);
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