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/frameworks/base/services/core/java/com/android/server/biometrics/face/
DFaceService.java1378 FileOutputStream devnull = null; in dumpHal() local
1380 devnull = new FileOutputStream("/dev/null"); in dumpHal()
1382 new FileDescriptor[] { devnull.getFD(), fd }, in dumpHal()
1388 if (devnull != null) { in dumpHal()
1390 devnull.close(); in dumpHal()