From 30c64be4ce1c3082c0dc0399ce0a5418698ad0cc Mon Sep 17 00:00:00 2001
From: Aaron Durbin <adurbin@chromium.org>
Date: Sat, 3 Dec 2016 21:05:53 -0600
Subject: lib/compute_ip_checksum: mark data buffer as const

compute_ip_checksum() doesn't manipulate the data it is passed.
Therefore, mark it as const.

BUG=chrome-os-partner:56151

Change-Id: I54cff9695a886bacd6314aa441d96aaa7a991101
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/17714
Tested-by: build bot (Jenkins)
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
---
 src/lib/compute_ip_checksum.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src/lib')

diff --git a/src/lib/compute_ip_checksum.c b/src/lib/compute_ip_checksum.c
index 58a6bf1ee4..347b83f220 100644
--- a/src/lib/compute_ip_checksum.c
+++ b/src/lib/compute_ip_checksum.c
@@ -1,9 +1,9 @@
 #include <stdint.h>
 #include <ip_checksum.h>
 
-unsigned long compute_ip_checksum(void *addr, unsigned long length)
+unsigned long compute_ip_checksum(const void *addr, unsigned long length)
 {
-	uint8_t *ptr;
+	const uint8_t *ptr;
 	volatile union {
 		uint8_t  byte[2];
 		uint16_t word;
-- 
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