From dd0283d537bf386ab01884ca01f9da22870f6b99 Mon Sep 17 00:00:00 2001
From: Pierre Kancir <pierre.kancir@azurdrones.com>
Date: Tue, 11 Sep 2018 10:58:20 +0200
Subject: [PATCH] AP_Math: reduce variable scope in crc_crc8

---
 libraries/AP_Math/crc.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/libraries/AP_Math/crc.cpp b/libraries/AP_Math/crc.cpp
index 767b762ab2..8d51f8d16f 100644
--- a/libraries/AP_Math/crc.cpp
+++ b/libraries/AP_Math/crc.cpp
@@ -49,11 +49,10 @@ static const uint8_t crc8_table[] = {
  */
 uint8_t crc_crc8(const uint8_t *p, uint8_t len)
 {
-	uint16_t i;
 	uint16_t crc = 0x0;
 
 	while (len--) {
-		i = (crc ^ *p++) & 0xFF;
+		const uint16_t i = (crc ^ *p++) & 0xFF;
 		crc = (crc8_table[i] ^ (crc << 8)) & 0xFF;
 	}