diff --git a/media/codec2/vndk/C2AllocatorGralloc.cpp b/media/codec2/vndk/C2AllocatorGralloc.cpp
index b5200a5..d8d6f06 100644
--- a/media/codec2/vndk/C2AllocatorGralloc.cpp
+++ b/media/codec2/vndk/C2AllocatorGralloc.cpp
@@ -265,6 +265,7 @@
 
         for (const PlaneLayoutComponent &component : plane.components) {
             if (!gralloc4::isStandardPlaneLayoutComponentType(component.type)) {
+                mapper.unlock(handle);
                 return C2_CANNOT_DO;
             }
 
@@ -287,6 +288,7 @@
                     channel = C2PlaneInfo::CHANNEL_CR;
                     break;
                 default:
+                    mapper.unlock(handle);
                     return C2_CORRUPTED;
             }
 
diff --git a/media/extractors/mp4/MPEG4Extractor.cpp b/media/extractors/mp4/MPEG4Extractor.cpp
index fb935b6..e0cc5bf 100644
--- a/media/extractors/mp4/MPEG4Extractor.cpp
+++ b/media/extractors/mp4/MPEG4Extractor.cpp
@@ -3501,7 +3501,7 @@
         }
         unsigned mask = br.getBits(8);
         for (unsigned i = 0; i < 8; i++) {
-            if (((0x1 << i) && mask) == 0)
+            if (((0x1 << i) & mask) == 0)
                 continue;
 
             if (br.numBitsLeft() < 8) {
diff --git a/services/mediametrics/AudioAnalytics.cpp b/services/mediametrics/AudioAnalytics.cpp
index ade54d0..aacc2be 100644
--- a/services/mediametrics/AudioAnalytics.cpp
+++ b/services/mediametrics/AudioAnalytics.cpp
@@ -1246,10 +1246,10 @@
         if (channelMask != 0) {
             switch (direction) {
                 case 1: // Output, keep sync with AudioTypes#getAAudioDirection()
-                    channelCount = audio_channel_count_from_out_mask(channelMask);
+                    channelCount = (int32_t)audio_channel_count_from_out_mask(channelMask);
                     break;
                 case 2: // Input, keep sync with AudioTypes#getAAudioDirection()
-                    channelCount = audio_channel_count_from_in_mask(channelMask);
+                    channelCount = (int32_t)audio_channel_count_from_in_mask(channelMask);
                     break;
                 default:
                     ALOGW("Invalid direction %d", direction);
diff --git a/services/mediametrics/statsd_drm.cpp b/services/mediametrics/statsd_drm.cpp
index 287fb8d..e06a605 100644
--- a/services/mediametrics/statsd_drm.cpp
+++ b/services/mediametrics/statsd_drm.cpp
@@ -171,7 +171,7 @@
     std::vector<uint8_t> buf(str.length() / 4 * 3, 0);
     size_t size = buf.size();
     if (decodeBase64(buf.data(), &size, str.c_str()) && size <= buf.size()) {
-        buf.erase(buf.begin() + size, buf.end());
+        buf.erase(buf.begin() + (ptrdiff_t)size, buf.end());
         return buf;
     }
     return {};