Nick Desaulniers e637aa32b8 biometrics: fingerprint: add locking to default impl ... There exists the following race condition: a). thread A receives setNotify and sets the callback to some object b). thread B of the wrapped implementation calls BiometricsFingerprint::notify which it was given a handle to. Thread B executes past the nullptr check: c). thread A receives setNotify and sets the callback to some other object (or nullptr) d). thread B resumes in notify with unknown state Add mutex to protect access to mClientCallback. Change-Id: I9163204ff5802e9246056caeb2a7857e6138531c Fixes: 64802340 Test: VtsHalBiometricsFingerprintV2_1IfaceFuzzer		2017-08-18 17:14:53 +00:00
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2.1	biometrics: fingerprint: add locking to default impl	2017-08-18 17:14:53 +00:00