From cd2ee2a7afee72218fb120c3b39df8f65cd92e27 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Adrien=20Gallou=C3=ABt?= <adrien@gallouet.fr>
Date: Tue, 2 Apr 2019 10:38:54 +0000
Subject: [PATCH] Fix conversion in src/ip.h
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Signed-off-by: Adrien Gallouët <adrien@gallouet.fr>
---
 src/ip.h | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/ip.h b/src/ip.h
index 791bc74..5fb220f 100644
--- a/src/ip.h
+++ b/src/ip.h
@@ -21,9 +21,7 @@ struct ip_common {
 static inline int
 ip_read16(const uint8_t *src)
 {
-    uint16_t ret = src[1];
-    ret |= ((uint16_t)src[0]) << 8;
-    return (int)ret;
+    return ((int)src[1]) | (((int)src[0]) << 8);
 }
 
 static inline uint8_t
@@ -75,7 +73,7 @@ ip_get_common(struct ip_common *ic, const uint8_t *data, int size)
         }
         break;
     case 6:
-        ic->tc = ((data[0] & 0xF) << 4) | (data[1] >> 4);
+        ic->tc = (uint8_t)((data[0] << 4) | (data[1] >> 4));
         ic->proto = data[6];
         if (size == ip_read16(&data[4]) + 40) {
             memcpy(ic->src.v6, &data[8], sizeof(ic->src.v6));