08-fix_libnet_checksum.c.patch from debian source package

See http://packages.debian.org/source/sid/libnet

1 files changed, 4 insertions, 1 deletions

diff --git a/libnet/src/libnet_checksum.c b/libnet/src/libnet_checksum.c
index 5b6f784..b99eb6d 100644
--- a/libnet/src/libnet_checksum.c
+++ b/libnet/src/libnet_checksum.c
@@ -42,8 +42,10 @@ int
 libnet_in_cksum(u_int16_t *addr, int len)
 {
     int sum;
+    u_int16_t last_byte;
 
     sum = 0;
+    last_byte = 0;
 
     while (len > 1)
     {
@@ -52,7 +54,8 @@ libnet_in_cksum(u_int16_t *addr, int len)
     }
     if (len == 1)
     {
-        sum += *(u_int16_t *)addr;
+        *(u_int8_t *)&last_byte = *(u_int8_t *)addr;
+        sum += last_byte;
     }
 
     return (sum);