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Commit 0b57f310 authored by Dmitri Plotnikov's avatar Dmitri Plotnikov
Browse files

Prevent crash when history event is written w/o a name 

Bug: 374412790
Test: presubmit
Flag: EXEMPT_bugfix
Change-Id: I6841b6ce339592bf4aa472aa11888d126f04f625
parent b0c55e8d

core/java/com/android/internal/os/BatteryStatsHistory.java

+5 −0
Original line number Diff line number Diff line
@@ -1770,6 +1770,10 @@ public class BatteryStatsHistory { 


    @GuardedBy("this")

    private void writeHistoryItem(long elapsedRealtimeMs, long uptimeMs, HistoryItem cur) {

        if (cur.eventCode != HistoryItem.EVENT_NONE && cur.eventTag.string == null) {

            Slog.wtfStack(TAG, "Event " + Integer.toHexString(cur.eventCode) + " without a name");

        }



        if (mTracer != null && mTracer.tracingEnabled()) {

            recordTraceEvents(cur.eventCode, cur.eventTag);

            recordTraceCounters(mTraceLastState, cur.states, STATE1_TRACE_MASK,
@@ -2266,6 +2270,7 @@ public class BatteryStatsHistory { 
    private int writeHistoryTag(HistoryTag tag) {

        if (tag.string == null) {

            Slog.wtfStack(TAG, "writeHistoryTag called with null name");

            tag.string = "";

        }



        final int stringLength = tag.string.length();