Merge "Guard mIsPendingCellInfoRequest with synch block" am: 9ecbfb29 am: 3dd76bb6

                        }

                    }

                } else {

                    synchronized (mPendingCellInfoRequests) {

                        // If we receive an empty message, it's probably a timeout; if there is no

                        // pending request, drop it.

                        if (!mIsPendingCellInfoRequest) break;

                    // If there is a request pending, we still need to check whether it's a timeout

                    // for the current request of whether it's leftover from a previous request.

                        // If there is a request pending, we still need to check whether it's a

                        // timeout for the current request of whether it's leftover from a

                        // previous request.

                        final long curTime = SystemClock.elapsedRealtime();

                        if ((curTime - mLastCellInfoReqTime) <  CELL_INFO_LIST_QUERY_TIMEOUT) {

                            break;

                        }

                    // We've received a legitimate timeout, so something has gone terribly wrong.

                        // We've received a legitimate timeout, so something has gone terribly

                        // wrong.

                        loge("Timeout waiting for CellInfo; (everybody panic)!");

                        mLastCellInfoList = null;

                        // Since the timeout is applicable, fall through and update all synchronous

                        // callers with the failure.

                    }

                }

                synchronized (mPendingCellInfoRequests) {

                    // If we have pending requests, then service them. Note that in case of a

                    // timeout, we send null responses back to the callers.