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Commit b6d0af35 authored by Dmitri Plotnikov's avatar Dmitri Plotnikov
Browse files

Fix NPE caused by a null battery history tag 

Bug: 206823946
Test: atest CtsDumpsysHostTestCases:BatteryStatsDumpsysTest
Change-Id: I7a5d70137608bf80ec8a0ca4ee161a42a0d96f95
parent e7b54abe

core/java/android/os/BatteryStats.java

+5 −3
Original line number Diff line number Diff line
@@ -7354,9 +7354,11 @@ public abstract class BatteryStats implements Parcelable { 
                        pw.print(getHistoryTagPoolUid(i));

                        pw.print(",\"");

                        String str = getHistoryTagPoolString(i);

                        if (str != null) {

                            str = str.replace("\\", "\\\\");

                            str = str.replace("\"", "\\\"");

                            pw.print(str);

                        }

                        pw.print("\"");

                        pw.println();

                    }

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

+4 −0
Original line number Diff line number Diff line
@@ -3522,6 +3522,10 @@ public class BatteryStatsImpl extends BatteryStats { 
     * <code>(index | TAG_FIRST_OCCURRENCE_FLAG)</code>

     */

    private int writeHistoryTag(HistoryTag tag) {

        if (tag.string == null) {

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

        }















        Integer idxObj = mHistoryTagPool.get(tag);















        int idx;















        if (idxObj != null) {