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Commit 8d65db32 authored by Bernie Innocenti's avatar Bernie Innocenti
Browse files

Disable APF memory clear on pre-APFv4 devices 

Fixes a system crash on HU when connecting to a wifi AP.

Change-Id: I8b71323985b6c5fc8a75f99470c9f86343d57f90
Bug: 78905546
Test: manually on android auto device
parent f687efc4

services/net/java/android/net/apf/ApfFilter.java

+7 −3
Original line number Diff line number Diff line
@@ -429,9 +429,13 @@ public class ApfFilter { 
        try {

            mHardwareAddress = mInterfaceParams.macAddr.toByteArray();

            synchronized(this) {

                // Clear APF memory.

                // Clear the APF memory to reset all counters upon connecting to the first AP

                // in an SSID. This is limited to APFv4 devices because this large write triggers

                // a crash on some older devices (b/78905546).

                if (mApfCapabilities.hasDataAccess()) {

                    byte[] zeroes = new byte[mApfCapabilities.maximumApfProgramSize];

                    mIpClientCallback.installPacketFilter(zeroes);

                }



                // Install basic filters

                installNewProgramLocked();