From bfb6490ec86629b28a13335c35676e7c0c594b75 Mon Sep 17 00:00:00 2001
From: Ray Bellis <ray@isc.org>
Date: Mon, 8 May 2023 13:19:47 +0100
Subject: [PATCH] fix dangling pointer error

---
 drivers/ltp305/ltp305.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/ltp305/ltp305.cpp b/drivers/ltp305/ltp305.cpp
index 6a851a34..e6a61fc5 100644
--- a/drivers/ltp305/ltp305.cpp
+++ b/drivers/ltp305/ltp305.cpp
@@ -64,8 +64,8 @@ namespace pimoroni {
   }
 
   void LTP305::set_character(uint8_t x, uint16_t ch) {
-    uint8_t *data = nullptr;
-    for(auto c : dotfont) {
+    const uint8_t *data = nullptr;
+    for(const auto& c : dotfont) {
       if(c.code == ch) {
         data = &c.data[0];
         break;
@@ -128,4 +128,4 @@ namespace pimoroni {
     i2c->reg_write_uint8(address, CMD_BRIGHTNESS, brightness);
     i2c->reg_write_uint8(address, CMD_UPDATE, 0x01);
   }
-}
\ No newline at end of file
+}