commit 3c4a23e7764c7785d18cb30340a6d185022a797a
author Patrick Venture <venture@google.com> Sun Oct 14 14:26:35 2018 -0700
committer Patrick Venture <venture@google.com> Sun Oct 14 14:27:57 2018 -0700
tree 4f3598e14683a3813ec794b1ba7a00c222ae0c81
parent bd0904b1e92a61d98b49fa9a20765b51b2a62348

cleanup: use const reference passing string

[presence/main.cpp:21]: (performance) Function parameter 'driverString' should
be passed by const reference.

Change-Id: I024e1622b03a3f2ac3487051bdd8f7e3b403639d
Signed-off-by: Patrick Venture <venture@google.com>

presence/main.cpp

diff --git a/presence/main.cpp b/presence/main.cpp
index 0d25081..1eaa18b 100644
--- a/presence/main.cpp
+++ b/presence/main.cpp
@@ -18,7 +18,7 @@
  *
  * @return int - 0 if successful, < 0 else
  */
-static int getDrivers(const std::string driverString,
+static int getDrivers(const std::string& driverString,
                       std::vector<Driver>& drivers)
 {
     std::istringstream stream{driverString};