diff --git a/media/libaudioclient/Android.bp b/media/libaudioclient/Android.bp
index 0c40cbb..fa2a159 100644
--- a/media/libaudioclient/Android.bp
+++ b/media/libaudioclient/Android.bp
@@ -63,6 +63,7 @@
 
         "AudioEffect.cpp",
         "AudioRecord.cpp",
+        "AudioSanitizer.cpp",
         "AudioSystem.cpp",
         "AudioTrack.cpp",
         "AudioTrackShared.cpp",
diff --git a/media/libaudioclient/AudioSanitizer.cpp b/media/libaudioclient/AudioSanitizer.cpp
new file mode 100644
index 0000000..44ca956
--- /dev/null
+++ b/media/libaudioclient/AudioSanitizer.cpp
@@ -0,0 +1,116 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <media/AudioSanitizer.h>
+
+namespace android {
+
+    /** returns true if string overflow was prevented by zero termination */
+template <size_t size>
+bool preventStringOverflow(char (&s)[size]) {
+    if (strnlen(s, size) < size) return false;
+    s[size - 1] = '\0';
+    return true;
+}
+
+status_t safetyNetLog(status_t status, const char *bugNumber) {
+    if (status != NO_ERROR && bugNumber != nullptr) {
+        android_errorWriteLog(0x534e4554, bugNumber); // SafetyNet logging
+    }
+    return status;
+}
+
+status_t AudioSanitizer::sanitizeAudioAttributes(
+        audio_attributes_t *attr, const char *bugNumber)
+{
+    status_t status = NO_ERROR;
+    const size_t tagsMaxSize = AUDIO_ATTRIBUTES_TAGS_MAX_SIZE;
+    if (strnlen(attr->tags, tagsMaxSize) >= tagsMaxSize) {
+        status = BAD_VALUE;
+    }
+    attr->tags[tagsMaxSize - 1] = '\0';
+    return safetyNetLog(status, bugNumber);
+}
+
+/** returns BAD_VALUE if sanitization was required. */
+status_t AudioSanitizer::sanitizeEffectDescriptor(
+        effect_descriptor_t *desc, const char *bugNumber)
+{
+    status_t status = NO_ERROR;
+    if (preventStringOverflow(desc->name)
+        | /* always */ preventStringOverflow(desc->implementor)) {
+        status = BAD_VALUE;
+    }
+    return safetyNetLog(status, bugNumber);
+}
+
+/** returns BAD_VALUE if sanitization was required. */
+status_t AudioSanitizer::sanitizeAudioPortConfig(
+        struct audio_port_config *config, const char *bugNumber)
+{
+    status_t status = NO_ERROR;
+    if (config->type == AUDIO_PORT_TYPE_DEVICE &&
+        preventStringOverflow(config->ext.device.address)) {
+        status = BAD_VALUE;
+    }
+    return safetyNetLog(status, bugNumber);
+}
+
+/** returns BAD_VALUE if sanitization was required. */
+status_t AudioSanitizer::sanitizeAudioPort(
+        struct audio_port *port, const char *bugNumber)
+{
+    status_t status = NO_ERROR;
+    if (preventStringOverflow(port->name)) {
+        status = BAD_VALUE;
+    }
+    if (sanitizeAudioPortConfig(&port->active_config) != NO_ERROR) {
+        status = BAD_VALUE;
+    }
+    if (port->type == AUDIO_PORT_TYPE_DEVICE &&
+        preventStringOverflow(port->ext.device.address)) {
+        status = BAD_VALUE;
+    }
+    return safetyNetLog(status, bugNumber);
+}
+
+/** returns BAD_VALUE if sanitization was required. */
+status_t AudioSanitizer::sanitizeAudioPatch(
+        struct audio_patch *patch, const char *bugNumber)
+{
+    status_t status = NO_ERROR;
+    if (patch->num_sources > AUDIO_PATCH_PORTS_MAX) {
+        patch->num_sources = AUDIO_PATCH_PORTS_MAX;
+        status = BAD_VALUE;
+    }
+    if (patch->num_sinks > AUDIO_PATCH_PORTS_MAX) {
+        patch->num_sinks = AUDIO_PATCH_PORTS_MAX;
+        status = BAD_VALUE;
+    }
+    for (size_t i = 0; i < patch->num_sources; i++) {
+        if (sanitizeAudioPortConfig(&patch->sources[i]) != NO_ERROR) {
+            status = BAD_VALUE;
+        }
+    }
+    for (size_t i = 0; i < patch->num_sinks; i++) {
+        if (sanitizeAudioPortConfig(&patch->sinks[i]) != NO_ERROR) {
+            status = BAD_VALUE;
+        }
+    }
+    return safetyNetLog(status, bugNumber);
+}
+
+}; // namespace android
diff --git a/media/libaudioclient/IAudioFlinger.cpp b/media/libaudioclient/IAudioFlinger.cpp
index 16d2232..d3a037c 100644
--- a/media/libaudioclient/IAudioFlinger.cpp
+++ b/media/libaudioclient/IAudioFlinger.cpp
@@ -24,6 +24,7 @@
 
 #include <binder/IPCThreadState.h>
 #include <binder/Parcel.h>
+#include <media/AudioSanitizer.h>
 #include <mediautils/ServiceUtilities.h>
 #include <mediautils/TimeCheck.h>
 #include "IAudioFlinger.h"
@@ -1483,10 +1484,15 @@
         case GET_AUDIO_PORT: {
             CHECK_INTERFACE(IAudioFlinger, data, reply);
             struct audio_port port = {};
-            if (data.read(&port, sizeof(struct audio_port)) != NO_ERROR) {
+            status_t status = data.read(&port, sizeof(struct audio_port));
+            if (status != NO_ERROR) {
                 ALOGE("b/23905951");
+                return status;
             }
-            status_t status = getAudioPort(&port);
+            status = AudioSanitizer::sanitizeAudioPort(&port);
+            if (status == NO_ERROR) {
+                status = getAudioPort(&port);
+            }
             reply->writeInt32(status);
             if (status == NO_ERROR) {
                 reply->write(&port, sizeof(struct audio_port));
@@ -1496,12 +1502,20 @@
         case CREATE_AUDIO_PATCH: {
             CHECK_INTERFACE(IAudioFlinger, data, reply);
             struct audio_patch patch;
-            data.read(&patch, sizeof(struct audio_patch));
-            audio_patch_handle_t handle = AUDIO_PATCH_HANDLE_NONE;
-            if (data.read(&handle, sizeof(audio_patch_handle_t)) != NO_ERROR) {
-                ALOGE("b/23905951");
+            status_t status = data.read(&patch, sizeof(struct audio_patch));
+            if (status != NO_ERROR) {
+                return status;
             }
-            status_t status = createAudioPatch(&patch, &handle);
+            audio_patch_handle_t handle = AUDIO_PATCH_HANDLE_NONE;
+            status = data.read(&handle, sizeof(audio_patch_handle_t));
+            if (status != NO_ERROR) {
+                ALOGE("b/23905951");
+                return status;
+            }
+            status = AudioSanitizer::sanitizeAudioPatch(&patch);
+            if (status == NO_ERROR) {
+                status = createAudioPatch(&patch, &handle);
+            }
             reply->writeInt32(status);
             if (status == NO_ERROR) {
                 reply->write(&handle, sizeof(audio_patch_handle_t));
@@ -1546,8 +1560,14 @@
         case SET_AUDIO_PORT_CONFIG: {
             CHECK_INTERFACE(IAudioFlinger, data, reply);
             struct audio_port_config config;
-            data.read(&config, sizeof(struct audio_port_config));
-            status_t status = setAudioPortConfig(&config);
+            status_t status = data.read(&config, sizeof(struct audio_port_config));
+            if (status != NO_ERROR) {
+                return status;
+            }
+            status = AudioSanitizer::sanitizeAudioPortConfig(&config);
+            if (status == NO_ERROR) {
+                status = setAudioPortConfig(&config);
+            }
             reply->writeInt32(status);
             return NO_ERROR;
         } break;
diff --git a/media/libaudioclient/IAudioPolicyService.cpp b/media/libaudioclient/IAudioPolicyService.cpp
index 60af84b..43a5369 100644
--- a/media/libaudioclient/IAudioPolicyService.cpp
+++ b/media/libaudioclient/IAudioPolicyService.cpp
@@ -26,6 +26,7 @@
 #include <binder/IPCThreadState.h>
 #include <binder/Parcel.h>
 #include <media/AudioEffect.h>
+#include <media/AudioSanitizer.h>
 #include <media/IAudioPolicyService.h>
 #include <mediautils/ServiceUtilities.h>
 #include <mediautils/TimeCheck.h>
@@ -1685,7 +1686,6 @@
             if (status != NO_ERROR) {
                 return status;
             }
-            sanetizeAudioAttributes(&attr);
             audio_session_t session = (audio_session_t)data.readInt32();
             audio_stream_type_t stream = AUDIO_STREAM_DEFAULT;
             bool hasStream = data.readInt32() != 0;
@@ -1703,10 +1703,14 @@
             audio_port_handle_t portId = (audio_port_handle_t)data.readInt32();
             audio_io_handle_t output = 0;
             std::vector<audio_io_handle_t> secondaryOutputs;
-            status = getOutputForAttr(&attr,
-                    &output, session, &stream, pid, uid,
-                    &config,
-                    flags, &selectedDeviceId, &portId, &secondaryOutputs);
+
+            status = AudioSanitizer::sanitizeAudioAttributes(&attr, "68953950");
+            if (status == NO_ERROR) {
+                status = getOutputForAttr(&attr,
+                                          &output, session, &stream, pid, uid,
+                                          &config,
+                                          flags, &selectedDeviceId, &portId, &secondaryOutputs);
+            }
             reply->writeInt32(status);
             status = reply->write(&attr, sizeof(audio_attributes_t));
             if (status != NO_ERROR) {
@@ -1745,8 +1749,11 @@
         case GET_INPUT_FOR_ATTR: {
             CHECK_INTERFACE(IAudioPolicyService, data, reply);
             audio_attributes_t attr = {};
-            data.read(&attr, sizeof(audio_attributes_t));
-            sanetizeAudioAttributes(&attr);
+            status_t status = data.read(&attr, sizeof(audio_attributes_t));
+            if (status != NO_ERROR) {
+                return status;
+            }
+
             audio_io_handle_t input = (audio_io_handle_t)data.readInt32();
             audio_unique_id_t riid = (audio_unique_id_t)data.readInt32();
             audio_session_t session = (audio_session_t)data.readInt32();
@@ -1759,9 +1766,13 @@
             audio_input_flags_t flags = (audio_input_flags_t) data.readInt32();
             audio_port_handle_t selectedDeviceId = (audio_port_handle_t) data.readInt32();
             audio_port_handle_t portId = (audio_port_handle_t)data.readInt32();
-            status_t status = getInputForAttr(&attr, &input, riid, session, pid, uid,
-                                              opPackageName, &config,
-                                              flags, &selectedDeviceId, &portId);
+
+            status = AudioSanitizer::sanitizeAudioAttributes(&attr, "68953950");
+            if (status == NO_ERROR) {
+                status = getInputForAttr(&attr, &input, riid, session, pid, uid,
+                                         opPackageName, &config,
+                                         flags, &selectedDeviceId, &portId);
+            }
             reply->writeInt32(status);
             if (status == NO_ERROR) {
                 reply->writeInt32(input);
@@ -1842,11 +1853,15 @@
             if (status != NO_ERROR) {
                 return status;
             }
+
             int index = data.readInt32();
             audio_devices_t device = static_cast <audio_devices_t>(data.readInt32());
 
-            reply->writeInt32(static_cast <uint32_t>(setVolumeIndexForAttributes(attributes,
-                                                                                 index, device)));
+            status = AudioSanitizer::sanitizeAudioAttributes(&attributes, "169572641");
+            if (status == NO_ERROR) {
+                status = setVolumeIndexForAttributes(attributes, index, device);
+            }
+            reply->writeInt32(static_cast <int32_t>(status));
             return NO_ERROR;
         } break;
 
@@ -1860,8 +1875,11 @@
             audio_devices_t device = static_cast <audio_devices_t>(data.readInt32());
 
             int index = 0;
-            status = getVolumeIndexForAttributes(attributes, index, device);
-            reply->writeInt32(static_cast <uint32_t>(status));
+            status = AudioSanitizer::sanitizeAudioAttributes(&attributes, "169572641");
+            if (status == NO_ERROR) {
+                status = getVolumeIndexForAttributes(attributes, index, device);
+            }
+            reply->writeInt32(static_cast <int32_t>(status));
             if (status == NO_ERROR) {
                 reply->writeInt32(index);
             }
@@ -1877,8 +1895,11 @@
             }
 
             int index = 0;
-            status = getMinVolumeIndexForAttributes(attributes, index);
-            reply->writeInt32(static_cast <uint32_t>(status));
+            status = AudioSanitizer::sanitizeAudioAttributes(&attributes, "169572641");
+            if (status == NO_ERROR) {
+                status = getMinVolumeIndexForAttributes(attributes, index);
+            }
+            reply->writeInt32(static_cast <int32_t>(status));
             if (status == NO_ERROR) {
                 reply->writeInt32(index);
             }
@@ -1894,8 +1915,11 @@
             }
 
             int index = 0;
-            status = getMaxVolumeIndexForAttributes(attributes, index);
-            reply->writeInt32(static_cast <uint32_t>(status));
+            status = AudioSanitizer::sanitizeAudioAttributes(&attributes, "169572641");
+            if (status == NO_ERROR) {
+                status = getMaxVolumeIndexForAttributes(attributes, index);
+            }
+            reply->writeInt32(static_cast <int32_t>(status));
             if (status == NO_ERROR) {
                 reply->writeInt32(index);
             }
@@ -1913,31 +1937,37 @@
         case GET_OUTPUT_FOR_EFFECT: {
             CHECK_INTERFACE(IAudioPolicyService, data, reply);
             effect_descriptor_t desc = {};
-            if (data.read(&desc, sizeof(desc)) != NO_ERROR) {
+            status_t status = data.read(&desc, sizeof(desc));
+            if (status != NO_ERROR) {
                 android_errorWriteLog(0x534e4554, "73126106");
+                return status;
             }
-            (void)sanitizeEffectDescriptor(&desc);
-            audio_io_handle_t output = getOutputForEffect(&desc);
-            reply->writeInt32(static_cast <int>(output));
+            audio_io_handle_t output = AUDIO_IO_HANDLE_NONE;
+            status = AudioSanitizer::sanitizeEffectDescriptor(&desc, "73126106");
+            if (status == NO_ERROR) {
+                output = getOutputForEffect(&desc);
+            }
+            reply->writeInt32(static_cast <int32_t>(output));
             return NO_ERROR;
         } break;
 
         case REGISTER_EFFECT: {
             CHECK_INTERFACE(IAudioPolicyService, data, reply);
             effect_descriptor_t desc = {};
-            if (data.read(&desc, sizeof(desc)) != NO_ERROR) {
+            status_t status = data.read(&desc, sizeof(desc));
+            if (status != NO_ERROR) {
                 android_errorWriteLog(0x534e4554, "73126106");
+                return status;
             }
-            (void)sanitizeEffectDescriptor(&desc);
             audio_io_handle_t io = data.readInt32();
             uint32_t strategy = data.readInt32();
             audio_session_t session = (audio_session_t) data.readInt32();
             int id = data.readInt32();
-            reply->writeInt32(static_cast <int32_t>(registerEffect(&desc,
-                                                                   io,
-                                                                   strategy,
-                                                                   session,
-                                                                   id)));
+            status = AudioSanitizer::sanitizeEffectDescriptor(&desc, "73126106");
+            if (status == NO_ERROR) {
+                status = registerEffect(&desc, io, strategy, session, id);
+            }
+            reply->writeInt32(static_cast <int32_t>(status));
             return NO_ERROR;
         } break;
 
@@ -2046,7 +2076,11 @@
             if (status != NO_ERROR) return status;
             status = data.read(&attributes, sizeof(audio_attributes_t));
             if (status != NO_ERROR) return status;
-            reply->writeInt32(isDirectOutputSupported(config, attributes));
+            status = AudioSanitizer::sanitizeAudioAttributes(&attributes, "169572641");
+            if (status == NO_ERROR) {
+                status = isDirectOutputSupported(config, attributes);
+            }
+            reply->writeInt32(static_cast <int32_t>(status));
             return NO_ERROR;
         }
 
@@ -2085,10 +2119,15 @@
         case GET_AUDIO_PORT: {
             CHECK_INTERFACE(IAudioPolicyService, data, reply);
             struct audio_port port = {};
-            if (data.read(&port, sizeof(struct audio_port)) != NO_ERROR) {
+            status_t status = data.read(&port, sizeof(struct audio_port));
+            if (status != NO_ERROR) {
                 ALOGE("b/23912202");
+                return status;
             }
-            status_t status = getAudioPort(&port);
+            status = AudioSanitizer::sanitizeAudioPort(&port);
+            if (status == NO_ERROR) {
+                status = getAudioPort(&port);
+            }
             reply->writeInt32(status);
             if (status == NO_ERROR) {
                 reply->write(&port, sizeof(struct audio_port));
@@ -2099,12 +2138,20 @@
         case CREATE_AUDIO_PATCH: {
             CHECK_INTERFACE(IAudioPolicyService, data, reply);
             struct audio_patch patch = {};
-            data.read(&patch, sizeof(struct audio_patch));
-            audio_patch_handle_t handle = AUDIO_PATCH_HANDLE_NONE;
-            if (data.read(&handle, sizeof(audio_patch_handle_t)) != NO_ERROR) {
-                ALOGE("b/23912202");
+            status_t status = data.read(&patch, sizeof(struct audio_patch));
+            if (status != NO_ERROR) {
+                return status;
             }
-            status_t status = createAudioPatch(&patch, &handle);
+            audio_patch_handle_t handle = AUDIO_PATCH_HANDLE_NONE;
+            status = data.read(&handle, sizeof(audio_patch_handle_t));
+            if (status != NO_ERROR) {
+                ALOGE("b/23912202");
+                return status;
+            }
+            status = AudioSanitizer::sanitizeAudioPatch(&patch);
+            if (status == NO_ERROR) {
+                status = createAudioPatch(&patch, &handle);
+            }
             reply->writeInt32(status);
             if (status == NO_ERROR) {
                 reply->write(&handle, sizeof(audio_patch_handle_t));
@@ -2154,9 +2201,12 @@
         case SET_AUDIO_PORT_CONFIG: {
             CHECK_INTERFACE(IAudioPolicyService, data, reply);
             struct audio_port_config config = {};
-            data.read(&config, sizeof(struct audio_port_config));
-            (void)sanitizeAudioPortConfig(&config);
-            status_t status = setAudioPortConfig(&config);
+            status_t status = data.read(&config, sizeof(struct audio_port_config));
+            if (status != NO_ERROR) {
+                return status;
+            }
+            (void)AudioSanitizer::sanitizeAudioPortConfig(&config);
+            status = setAudioPortConfig(&config);
             reply->writeInt32(status);
             return NO_ERROR;
         }
@@ -2232,13 +2282,25 @@
         case START_AUDIO_SOURCE: {
             CHECK_INTERFACE(IAudioPolicyService, data, reply);
             struct audio_port_config source = {};
-            data.read(&source, sizeof(struct audio_port_config));
-            (void)sanitizeAudioPortConfig(&source);
+            status_t status = data.read(&source, sizeof(struct audio_port_config));
+            if (status != NO_ERROR) {
+                return status;
+            }
             audio_attributes_t attributes = {};
-            data.read(&attributes, sizeof(audio_attributes_t));
-            sanetizeAudioAttributes(&attributes);
+            status = data.read(&attributes, sizeof(audio_attributes_t));
+            if (status != NO_ERROR) {
+                return status;
+            }
+            status = AudioSanitizer::sanitizeAudioPortConfig(&source);
+            if (status == NO_ERROR) {
+                // OK to not always sanitize attributes as startAudioSource() is not called if
+                // the port config is invalid.
+                status = AudioSanitizer::sanitizeAudioAttributes(&attributes, "68953950");
+            }
             audio_port_handle_t portId = AUDIO_PORT_HANDLE_NONE;
-            status_t status = startAudioSource(&source, &attributes, &portId);
+            if (status == NO_ERROR) {
+                status = startAudioSource(&source, &attributes, &portId);
+            }
             reply->writeInt32(status);
             reply->writeInt32(portId);
             return NO_ERROR;
@@ -2762,44 +2824,6 @@
     }
 }
 
-/** returns true if string overflow was prevented by zero termination */
-template <size_t size>
-static bool preventStringOverflow(char (&s)[size]) {
-    if (strnlen(s, size) < size) return false;
-    s[size - 1] = '\0';
-    return true;
-}
-
-void BnAudioPolicyService::sanetizeAudioAttributes(audio_attributes_t* attr)
-{
-    const size_t tagsMaxSize = AUDIO_ATTRIBUTES_TAGS_MAX_SIZE;
-    if (strnlen(attr->tags, tagsMaxSize) >= tagsMaxSize) {
-        android_errorWriteLog(0x534e4554, "68953950"); // SafetyNet logging
-    }
-    attr->tags[tagsMaxSize - 1] = '\0';
-}
-
-/** returns BAD_VALUE if sanitization was required. */
-status_t BnAudioPolicyService::sanitizeEffectDescriptor(effect_descriptor_t* desc)
-{
-    if (preventStringOverflow(desc->name)
-        | /* always */ preventStringOverflow(desc->implementor)) {
-        android_errorWriteLog(0x534e4554, "73126106"); // SafetyNet logging
-        return BAD_VALUE;
-    }
-    return NO_ERROR;
-}
-
-/** returns BAD_VALUE if sanitization was required. */
-status_t BnAudioPolicyService::sanitizeAudioPortConfig(struct audio_port_config* config)
-{
-    if (config->type == AUDIO_PORT_TYPE_DEVICE &&
-        preventStringOverflow(config->ext.device.address)) {
-        return BAD_VALUE;
-    }
-    return NO_ERROR;
-}
-
 // ----------------------------------------------------------------------------
 
 } // namespace android
diff --git a/media/libaudioclient/include/media/AudioSanitizer.h b/media/libaudioclient/include/media/AudioSanitizer.h
new file mode 100644
index 0000000..1475c7b
--- /dev/null
+++ b/media/libaudioclient/include/media/AudioSanitizer.h
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_AUDIO_SANITIZER_H_
+#define ANDROID_AUDIO_SANITIZER_H_
+
+#include <system/audio.h>
+#include <system/audio_effect.h>
+#include <utils/Errors.h>
+#include <utils/Log.h>
+
+namespace android {
+
+class AudioSanitizer {
+public:
+    static status_t sanitizeAudioAttributes(
+            audio_attributes_t *attr, const char *bugNumber = nullptr);
+
+    static status_t sanitizeEffectDescriptor(
+            effect_descriptor_t *desc, const char *bugNumber = nullptr);
+
+    static status_t sanitizeAudioPortConfig(
+            struct audio_port_config *config, const char *bugNumber = nullptr);
+
+    static status_t sanitizeAudioPort(
+            struct audio_port *port, const char *bugNumber = nullptr);
+
+    static status_t sanitizeAudioPatch(
+            struct audio_patch *patch, const char *bugNumber = nullptr);
+};
+
+}; // namespace android
+
+#endif  /*ANDROID_AUDIO_SANITIZER_H_*/
diff --git a/media/libaudioclient/include/media/IAudioPolicyService.h b/media/libaudioclient/include/media/IAudioPolicyService.h
index bb1c07f..376c6eb 100644
--- a/media/libaudioclient/include/media/IAudioPolicyService.h
+++ b/media/libaudioclient/include/media/IAudioPolicyService.h
@@ -266,10 +266,6 @@
                                     const Parcel& data,
                                     Parcel* reply,
                                     uint32_t flags = 0);
-private:
-    void sanetizeAudioAttributes(audio_attributes_t* attr);
-    status_t sanitizeEffectDescriptor(effect_descriptor_t* desc);
-    status_t sanitizeAudioPortConfig(struct audio_port_config* config);
 };
 
 // ----------------------------------------------------------------------------
diff --git a/media/libmediahelper/Android.bp b/media/libmediahelper/Android.bp
index 6fcbc7b..fbe7f87 100644
--- a/media/libmediahelper/Android.bp
+++ b/media/libmediahelper/Android.bp
@@ -12,7 +12,10 @@
         enabled: true,
     },
     double_loadable: true,
-    srcs: ["AudioParameter.cpp", "TypeConverter.cpp"],
+    srcs: [
+        "AudioParameter.cpp",
+        "TypeConverter.cpp",
+    ],
     cflags: [
         "-Werror",
         "-Wextra",