--- sys/dev/pcn/if_pcn.c	2008-11-22 14:40:05.000000000 +0800
+++ /var/current/mysrc/sys/dev/pcn/if_pcn.c	2008-11-25 16:43:55.000000000 +0800
@@ -1048,7 +1048,6 @@
 	 * the fragment pointers. Stop when we run out
  	 * of fragments or hit the end of the mbuf chain.
 	 */
-	m = m_head;
 	cur = frag = *txidx;
 
 	for (m = m_head; m != NULL; m = m->m_next) {
@@ -1070,9 +1069,6 @@
 		cnt++;
 	}
 
-	if (m != NULL)
-		return(ENOBUFS);
-
 	sc->pcn_cdata.pcn_tx_chain[cur] = m_head;
 	sc->pcn_ldata->pcn_tx_list[cur].pcn_txctl |=
 	    PCN_TXCTL_ENP|PCN_TXCTL_ADD_FCS|PCN_TXCTL_MORE_LTINT;