From 50b0089602bbc0f600d360c40d3fb307579b41f8 Mon Sep 17 00:00:00 2001
From: Dean Lee <deanlee3@gmail.com>
Date: Sat, 14 Sep 2024 02:13:47 +0800
Subject: [PATCH] panda: using reference in loop (#33554)

using reference in loop
---
 selfdrive/pandad/panda.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/selfdrive/pandad/panda.cc b/selfdrive/pandad/panda.cc
index bc81d7de91..4376d85795 100644
--- a/selfdrive/pandad/panda.cc
+++ b/selfdrive/pandad/panda.cc
@@ -47,7 +47,7 @@ std::vector<std::string> Panda::list(bool usb_only) {
 
 #ifndef __APPLE__
   if (!usb_only) {
-    for (auto s : PandaSpiHandle::list()) {
+    for (const auto &s : PandaSpiHandle::list()) {
       if (std::find(serials.begin(), serials.end(), s) == serials.end()) {
         serials.push_back(s);
       }
@@ -169,7 +169,7 @@ void Panda::pack_can_buffer(const capnp::List<cereal::CanData>::Reader &can_data
   int32_t pos = 0;
   uint8_t send_buf[2 * USB_TX_SOFT_LIMIT];
 
-  for (auto cmsg : can_data_list) {
+  for (const auto &cmsg : can_data_list) {
     // check if the message is intended for this panda
     uint8_t bus = cmsg.getSrc();
     if (bus < bus_offset || bus >= (bus_offset + PANDA_BUS_OFFSET)) {