Pass filename by reference.

Bug: 377474232
Test: Presubmit
Change-Id: Ib02f2f987c876c931ecc9ef42969eea0bbad9f77

2 files changed, 2 insertions, 2 deletions

diff --git a/runtime/oat/sdc_file.cc b/runtime/oat/sdc_file.cc
index 59b9655ac2..e141aea85e 100644
--- a/runtime/oat/sdc_file.cc
+++ b/runtime/oat/sdc_file.cc
@@ -36,7 +36,7 @@ using ::android::base::ParseInt;
 using ::android::base::ReadFileToString;
 using ::android::base::WriteStringToFd;
 
-std::unique_ptr<SdcReader> SdcReader::Load(const std::string filename, std::string* error_msg) {
+std::unique_ptr<SdcReader> SdcReader::Load(const std::string& filename, std::string* error_msg) {
   std::unique_ptr<SdcReader> reader(new SdcReader());
 
   // The sdc file is supposed to be small, so read fully into memory for simplicity.
diff --git a/runtime/oat/sdc_file.h b/runtime/oat/sdc_file.h
index 73917f5316..e2c9b43ba7 100644
--- a/runtime/oat/sdc_file.h
+++ b/runtime/oat/sdc_file.h
@@ -45,7 +45,7 @@ namespace art HIDDEN {
 // Repeated keys are not allowed. This is an extensible format, so versioning is not needed.
 class EXPORT SdcReader {
  public:
-  static std::unique_ptr<SdcReader> Load(const std::string filename, std::string* error_msg);
+  static std::unique_ptr<SdcReader> Load(const std::string& filename, std::string* error_msg);
 
   // The mtime of the SDM file on device, in nanoseconds.
   // This is for detecting obsolete SDC files.