internal_os_Zygote: Avoid string copy

Since PrepareDir() takes a const std::string&, we just want to
directly pass our std::string, instead of passing the result
of c_str(), which would require constructing a new std::string.

Test: TreeHugger
Change-Id: Ifecd7ce61f5cd744c1562600cfe9f69353e6d80e

1 files changed, 1 insertions, 2 deletions

diff --git a/core/jni/com_android_internal_os_Zygote.cpp b/core/jni/com_android_internal_os_Zygote.cpp
index 9d02d105e11e..2535fcfd509e 100644
--- a/core/jni/com_android_internal_os_Zygote.cpp
+++ b/core/jni/com_android_internal_os_Zygote.cpp
@@ -1471,8 +1471,7 @@ static void isolateJitProfile(JNIEnv* env, jobjectArray pkg_data_info_list,
 
   // Create profile directory for this user.
   std::string actualCurUserProfile = StringPrintf("%s/%d", kCurProfileDirPath, user_id);
-  PrepareDir(actualCurUserProfile.c_str(), DEFAULT_DATA_DIR_PERMISSION, AID_ROOT, AID_ROOT,
-      fail_fn);
+  PrepareDir(actualCurUserProfile, DEFAULT_DATA_DIR_PERMISSION, AID_ROOT, AID_ROOT, fail_fn);
 
   for (int i = 0; i < size; i += 3) {
     jstring package_str = (jstring) (env->GetObjectArrayElement(pkg_data_info_list, i));