Fix NPE when PowerStats throttle period config is missing

Bug: 356427210
Test: atest PowerStatsTest
Flag: EXEMPT bugfix
Change-Id: Ie6c90eb540054e1ad77b505b3f693fa33dbff923

1 files changed, 4 insertions, 0 deletions

diff --git a/services/core/java/com/android/server/am/BatteryStatsService.java b/services/core/java/com/android/server/am/BatteryStatsService.java
index 03fbfd37cbdb..f936b8174c28 100644
--- a/services/core/java/com/android/server/am/BatteryStatsService.java
+++ b/services/core/java/com/android/server/am/BatteryStatsService.java
@@ -620,6 +620,10 @@ public final class BatteryStatsService extends IBatteryStats.Stub
 
     private void setPowerStatsThrottlePeriods(BatteryStatsImpl.BatteryStatsConfig.Builder builder,
             String configString) {
+        if (configString == null) {
+            return;
+        }
+
         Matcher matcher = Pattern.compile("([^:]+):(\\d+)\\s*").matcher(configString);
         while (matcher.find()) {
             String powerComponentName = matcher.group(1);