diff --git a/cmds/installd/CacheTracker.cpp b/cmds/installd/CacheTracker.cpp
index 3eb39b9..ea0cd9e 100644
--- a/cmds/installd/CacheTracker.cpp
+++ b/cmds/installd/CacheTracker.cpp
@@ -60,7 +60,7 @@
 
     ATRACE_BEGIN("loadStats tree");
     cacheUsed = 0;
-    for (auto path : mDataPaths) {
+    for (const auto& path : mDataPaths) {
         auto cachePath = read_path_inode(path, "cache", kXattrInodeCache);
         auto codeCachePath = read_path_inode(path, "code_cache", kXattrInodeCodeCache);
         calculate_tree_size(cachePath, &cacheUsed);
@@ -170,7 +170,7 @@
     items.clear();
 
     ATRACE_BEGIN("loadItems");
-    for (auto path : mDataPaths) {
+    for (const auto& path : mDataPaths) {
         loadItemsFrom(read_path_inode(path, "cache", kXattrInodeCache));
         loadItemsFrom(read_path_inode(path, "code_cache", kXattrInodeCodeCache));
     }
diff --git a/cmds/installd/InstalldNativeService.cpp b/cmds/installd/InstalldNativeService.cpp
index 054c88e..c087713 100644
--- a/cmds/installd/InstalldNativeService.cpp
+++ b/cmds/installd/InstalldNativeService.cpp
@@ -1347,7 +1347,7 @@
         const std::vector<std::string>& codePaths, std::vector<int64_t>* _aidl_return) {
     ENFORCE_UID(AID_SYSTEM);
     CHECK_ARGUMENT_UUID(uuid);
-    for (auto packageName : packageNames) {
+    for (const auto& packageName : packageNames) {
         CHECK_ARGUMENT_PACKAGE_NAME(packageName);
     }
     // NOTE: Locking is relaxed on this method, since it's limited to
@@ -1386,7 +1386,7 @@
     }
 
     ATRACE_BEGIN("obb");
-    for (auto packageName : packageNames) {
+    for (const auto& packageName : packageNames) {
         auto obbCodePath = create_data_media_obb_path(uuid_, packageName.c_str());
         calculate_tree_size(obbCodePath, &extStats.codeSize);
     }
@@ -1394,7 +1394,7 @@
 
     if (flags & FLAG_USE_QUOTA && appId >= AID_APP_START) {
         ATRACE_BEGIN("code");
-        for (auto codePath : codePaths) {
+        for (const auto& codePath : codePaths) {
             calculate_tree_size(codePath, &stats.codeSize, -1,
                     multiuser_get_shared_gid(0, appId));
         }
@@ -1405,7 +1405,7 @@
         ATRACE_END();
     } else {
         ATRACE_BEGIN("code");
-        for (auto codePath : codePaths) {
+        for (const auto& codePath : codePaths) {
             calculate_tree_size(codePath, &stats.codeSize);
         }
         ATRACE_END();