tree 4a3e4cbf70b3af07c8ee873555567717865a8261
parent 9324d6513bdc333cc2a05a8f33ba120a322fd566
author Ryuki Nakamura <ryuki.x.nakamura@sonymobile.com> 1488332436 +0900
committer Shunta Sato <Shunta.Sato@sonymobile.com> 1488870771 +0000

Fix NPE while performing NetworkStatsService.removeUidsLocked()

Symptom:
NPE occurred while performing NetworkStatsService.removeUidsLocked().

Root cause:
NetworkStatsService refers to mUidRecorder at
NetworkStatsService.removeUidsLocked() when mUserReceiver received
Intent.ACTION_USER_REMOVED.
However NetworkStatsService sets mUidRecorder to null without
unregistering mUserReceiver when mShutdownReceiver received
Intent.ACTION_SHUTDOWN.
Therefore NPE occurred when mUserReceiver received
Intent.ACTION_USER_REMOVED after mShutdownReceiver received
Intent.ACTION_SHUTDOWN.

Solution:
Unregister mUserReceiver before setting mUidRecorder to null when
mShutdownReceiver received Intent.ACTION_SHUTDOWN.

Bug: 36015339

Change-Id: I9279e4c6ae07d94e7ec519c40b2d973c84d8fef1