848 	struct mbuf *m = sb->sb_mb;  in sblastrecordchk()
857 			__func__, sb->sb_mb, sb->sb_lastrecord, m);  in sblastrecordchk()
859 		for (m = sb->sb_mb; m != NULL; m = m->m_nextpkt)  in sblastrecordchk()
868 	struct mbuf *m = sb->sb_mb;  in sblastmbufchk()
881 			__func__, sb->sb_mb, sb->sb_mbtail, m);  in sblastmbufchk()
883 		for (m = sb->sb_mb; m != NULL; m = m->m_nextpkt) {  in sblastmbufchk()
917 		(sb)->sb_mb = (m0);					\
938 	n = sb->sb_mb;  in sbappend_locked()
1064 	KASSERT(sb->sb_mb == sb->sb_lastrecord,("sbappendstream 1"));  in sbappendstream_locked()
1078 	sb->sb_lastrecord = sb->sb_mb;  in sbappendstream_locked()
1111 	for (m = sb->sb_mb; m; m = n) {  in sbcheck()
1448 			sb->sb_mb = m;  in sbcompress()
1536 		if (sb->sb_ccc == 0 && (sb->sb_mb == NULL || sb->sb_mb->m_len))  in sbflush_locked()
1540 	KASSERT(sb->sb_ccc == 0 && sb->sb_mb == 0 && sb->sb_mbcnt == 0,  in sbflush_locked()
1542 	    sb->sb_ccc, (void *)sb->sb_mb, sb->sb_mbcnt));  in sbflush_locked()
1568 	next = (m = sb->sb_mb) ? m->m_nextpkt : 0;  in sbcut_internal()
1644 		sb->sb_mb = NULL;  in sbcut_internal()
1651 		sb->sb_mb = m;  in sbcut_internal()
1654 		sb->sb_mb = next;  in sbcut_internal()
1659 	m = sb->sb_mb;  in sbcut_internal()
1710 	KASSERT(sb->sb_mb != NULL, ("%s: sb_mb is NULL", __func__));  in sbsndptr_noadv()
1714 			sb->sb_sndptr = sb->sb_mb;  in sbsndptr_noadv()
1717 		return (sb->sb_mb);  in sbsndptr_noadv()
1763 	KASSERT(sb->sb_mb != NULL, ("%s: sb_mb is NULL", __func__));  in sbsndmbuf()
1770 		m = sb->sb_mb;  in sbsndmbuf()
1796 	m = sb->sb_mb;  in sbdroprecord_locked()
1798 		sb->sb_mb = m->m_nextpkt;  in sbdroprecord_locked()