Shore up dividing by zero protections.

We're already trying to protect against zero elsewhere in this file,
but we've seen evidence of it still happening, so add last-ditch
protections.

Test: builds, boots
Bug: 73060623
Change-Id: I0549ed08f906521a8dbd9ff6162f80fa9b388434

1 files changed, 1 insertions, 0 deletions

diff --git a/services/core/java/com/android/server/net/NetworkStatsCollection.java b/services/core/java/com/android/server/net/NetworkStatsCollection.java
index 961a45177897..3cc4d83267cf 100644
--- a/services/core/java/com/android/server/net/NetworkStatsCollection.java
+++ b/services/core/java/com/android/server/net/NetworkStatsCollection.java
@@ -187,6 +187,7 @@ public class NetworkStatsCollection implements FileRotator.Reader {
      */
     @VisibleForTesting
     public static long multiplySafe(long value, long num, long den) {
+        if (den == 0) den = 1;
         long x = value;
         long y = num;