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-rw-r--r--core/java/com/android/internal/os/BatteryStatsImpl.java2
1 files changed, 1 insertions, 1 deletions
diff --git a/core/java/com/android/internal/os/BatteryStatsImpl.java b/core/java/com/android/internal/os/BatteryStatsImpl.java
index 261d89fe6603..242f4229f0ae 100644
--- a/core/java/com/android/internal/os/BatteryStatsImpl.java
+++ b/core/java/com/android/internal/os/BatteryStatsImpl.java
@@ -11597,7 +11597,7 @@ public class BatteryStatsImpl extends BatteryStats {
* time at the highest power level.
* @param activityInfo
*/
- private void addModemTxPowerToHistory(final ModemActivityInfo activityInfo) {
+ private synchronized void addModemTxPowerToHistory(final ModemActivityInfo activityInfo) {
if (activityInfo == null) {
return;
}