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Commit 8d65db32 authored by Bernie Innocenti's avatar Bernie Innocenti
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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
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+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();