From 0642fb4d456fe12e1bbeb2ffc2149433f228c02e Mon Sep 17 00:00:00 2001
From: Jan Maria Matejka <mq@ucw.cz>
Date: Tue, 27 Nov 2018 08:49:31 +0100
Subject: [PATCH] Hash: mem_hash doesn't modify the memory, declared constant

---
 lib/hash.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/hash.h b/lib/hash.h
index 8809aedc..ea4ca6dd 100644
--- a/lib/hash.h
+++ b/lib/hash.h
@@ -202,7 +202,7 @@ mem_hash_init(u64 *h)
 }
 
 static inline void
-mem_hash_mix(u64 *h, void *p, uint s)
+mem_hash_mix(u64 *h, const void *p, uint s)
 {
   const u64 multiplier = 0xb38bc09a61202731ULL;
   const char *pp = p;
@@ -222,7 +222,7 @@ mem_hash_value(u64 *h)
 }
 
 static inline uint
-mem_hash(void *p, uint s)
+mem_hash(const void *p, uint s)
 {
   static u64 h;
   mem_hash_init(&h);