netinet memcpy/free

[David Hill]

Hello -

memcpy can be used on freshly allocated memory.  Fill in the free size
for it.

OK?

Index: netinet/tcp_subr.c
===================================================================
RCS file: /cvs/src/sys/netinet/tcp_subr.c,v
retrieving revision 1.169
diff -u -p -r1.169 tcp_subr.c
--- netinet/tcp_subr.c  18 Mar 2018 21:05:21 -0000      1.169
+++ netinet/tcp_subr.c  31 Mar 2018 19:12:04 -0000
@@ -952,7 +952,7 @@ tcp_signature_tdb_init(struct tdb *tdbp,
        tdbp->tdb_amxkey = malloc(ii->ii_authkeylen, M_XDATA, M_NOWAIT);
        if (tdbp->tdb_amxkey == NULL)
                return (ENOMEM);
-       bcopy(ii->ii_authkey, tdbp->tdb_amxkey, ii->ii_authkeylen);
+       memcpy(tdbp->tdb_amxkey, ii->ii_authkey, ii->ii_authkeylen);
        tdbp->tdb_amxkeylen = ii->ii_authkeylen;
 
        return (0);
@@ -963,7 +963,7 @@ tcp_signature_tdb_zeroize(struct tdb *td
 {
        if (tdbp->tdb_amxkey) {
                explicit_bzero(tdbp->tdb_amxkey, tdbp->tdb_amxkeylen);
-               free(tdbp->tdb_amxkey, M_XDATA, 0);
+               free(tdbp->tdb_amxkey, M_XDATA, tdbp->tdb_amxkeylen);
                tdbp->tdb_amxkey = NULL;
        }