IPv6: use unsigned mobility vars (GH #47 pt. 2)

diff --git a/print-mobility.c b/print-mobility.c
index 752dcd737a879091c7bf7a13877e2fa66f5a28ab..21e3cedf6ae3952de72b8138c9bc5ec97760ce40 100644 (file)
--- a/print-mobility.c
+++ b/print-mobility.c
@@ -89,10 +89,9 @@ struct ip6_mobility {
 #define IP6MOPT_AUTH_MINLEN    12
 
 static void
-mobility_opt_print(const u_char *bp, int len)
+mobility_opt_print(const u_char *bp, const unsigned len)
 {
-       int i;
-       int optlen;
+       unsigned i, optlen;
 
        for (i = 0; i < len; i += optlen) {
                if (bp[i] == IP6MOPT_PAD1)
@@ -172,7 +171,8 @@ mobility_print(const u_char *bp, const u_char *bp2 _U_)
 {
        const struct ip6_mobility *mh;
        const u_char *ep;
-       int mhlen, hlen, type;
+       unsigned mhlen, hlen;
+       u_int8_t type;
 
        mh = (struct ip6_mobility *)bp;
 
@@ -195,7 +195,7 @@ mobility_print(const u_char *bp, const u_char *bp2 _U_)
                mhlen = ep - bp;
                goto trunc;
        }
-       mhlen = (int)((mh->ip6m_len + 1) << 3);
+       mhlen = (mh->ip6m_len + 1) << 3;
 
        /* XXX ip6m_cksum */