Program: 195233
Project: 195233
Buggy source:
/** 
 * Tells the underlying networking system that the caller wants to begin using the named feature. The interpretation of   {@code feature}is completely up to each networking implementation. <p>This method requires the caller to hold the permission  {@link android.Manifest.permission#CHANGE_NETWORK_STATE}.
 * @param networkType specifies which network the request pertains to
 * @param feature the name of the feature to be used
 * @return an integer value representing the outcome of the request.The interpretation of this value is specific to each networking implementation+feature combination, except that the value  {@code -1}always indicates failure.
 * @deprecated Deprecated in favor of the cleaner {@link #requestNetwork} api.
 * @removed
 */
public int startUsingNetworkFeature(int networkType,String feature){
  NetworkCapabilities netCap=networkCapabilitiesForFeature(networkType,feature);
  if (netCap == null) {
    Log.d(TAG,"String_Node_Str" + networkType + "String_Node_Str"+ feature);
    return PhoneConstants.APN_REQUEST_FAILED;
  }
  NetworkRequest request=null;
synchronized (sLegacyRequests) {
    LegacyRequest l=sLegacyRequests.get(netCap);
    if (l != null) {
      Log.d(TAG,"String_Node_Str" + l.networkRequest);
      renewRequestLocked(l);
      if (l.currentNetwork != null) {
        return PhoneConstants.APN_ALREADY_ACTIVE;
      }
 else {
        return PhoneConstants.APN_REQUEST_STARTED;
      }
    }
    request=requestNetworkForFeatureLocked(netCap);
  }
  if (request != null) {
    Log.d(TAG,"String_Node_Str" + request);
    return PhoneConstants.APN_REQUEST_STARTED;
  }
 else {
    Log.d(TAG,"String_Node_Str");
    return PhoneConstants.APN_REQUEST_FAILED;
  }
}

Fixed version (ground truth):
/** 
 * Tells the underlying networking system that the caller wants to begin using the named feature. The interpretation of   {@code feature}is completely up to each networking implementation. <p>This method requires the caller to hold the permission  {@link android.Manifest.permission#CHANGE_NETWORK_STATE}.
 * @param networkType specifies which network the request pertains to
 * @param feature the name of the feature to be used
 * @return an integer value representing the outcome of the request.The interpretation of this value is specific to each networking implementation+feature combination, except that the value  {@code -1}always indicates failure.
 * @deprecated Deprecated in favor of the cleaner{@link #requestNetwork(NetworkRequest,NetworkCallback)} API.
 * @removed
 */
public int startUsingNetworkFeature(int networkType,String feature){
  NetworkCapabilities netCap=networkCapabilitiesForFeature(networkType,feature);
  if (netCap == null) {
    Log.d(TAG,"String_Node_Str" + networkType + "String_Node_Str"+ feature);
    return PhoneConstants.APN_REQUEST_FAILED;
  }
  NetworkRequest request=null;
synchronized (sLegacyRequests) {
    LegacyRequest l=sLegacyRequests.get(netCap);
    if (l != null) {
      Log.d(TAG,"String_Node_Str" + l.networkRequest);
      renewRequestLocked(l);
      if (l.currentNetwork != null) {
        return PhoneConstants.APN_ALREADY_ACTIVE;
      }
 else {
        return PhoneConstants.APN_REQUEST_STARTED;
      }
    }
    request=requestNetworkForFeatureLocked(netCap);
  }
  if (request != null) {
    Log.d(TAG,"String_Node_Str" + request);
    return PhoneConstants.APN_REQUEST_STARTED;
  }
 else {
    Log.d(TAG,"String_Node_Str");
    return PhoneConstants.APN_REQUEST_FAILED;
  }
}