diff --git a/core/java/com/android/internal/os/BatteryStatsImpl.java b/core/java/com/android/internal/os/BatteryStatsImpl.java
index fb4dff8e5dd05..5b9c78cc312cf 100644
--- a/core/java/com/android/internal/os/BatteryStatsImpl.java
+++ b/core/java/com/android/internal/os/BatteryStatsImpl.java
@@ -4563,7 +4563,7 @@ public final class BatteryStatsImpl extends BatteryStats {
         mHistory = mHistoryEnd = mHistoryCache = null;
         mHistoryBaseTime = 0;
         long time;
-        while ((time=in.readLong()) >= 0) {
+        while (in.dataAvail() > 0 && (time=in.readLong()) >= 0) {
             HistoryItem rec = new HistoryItem(time, in);
             addHistoryRecordLocked(rec);
             if (rec.time > mHistoryBaseTime) {