commit 2d8e78510d8c1da8ea14cbccd3217275619eadd0
author Patrick Venture <venture@google.com> Tue Oct 30 19:14:07 2018 -0700
committer Patrick Venture <venture@google.com> Tue Oct 30 19:21:39 2018 -0700
tree 948b82aba1c8ab9932f0df0ef880cb927e5cd598
parent 1248b153393715ae8658215261b1e2a9478896eb

performance: fixup missing const reference in zone

Zone::getSensor is passed directly to the Sensor Manager getSensor which
takes the parameter by reference.  Make it use an explicit const
reference at both layers.

Change-Id: I4895ea2935d20b73b88d33972e44b9ac557cd988
Signed-off-by: Patrick Venture <venture@google.com>

pid/zone.cpp

diff --git a/pid/zone.cpp b/pid/zone.cpp
index 0c9718a..b1da7ec 100644
--- a/pid/zone.cpp
+++ b/pid/zone.cpp
@@ -324,7 +324,7 @@
     }
 }
 
-Sensor* PIDZone::getSensor(std::string name)
+Sensor* PIDZone::getSensor(const std::string& name)
 {
     return _mgr.getSensor(name);
 }