Function sbdroprecord_locked

freebsd/kern/uipc_sockbuf.c:1697–1713

* Drop a record off the front of a sockbuf and move the next record to the * front. */

 * front.
 */
void
sbdroprecord_locked(struct sockbuf *sb)
{
	struct mbuf *m;

	SOCKBUF_LOCK_ASSERT(sb);

	m = sb->sb_mb;
	if (m) {
		sb->sb_mb = m->m_nextpkt;
		do {
			sbfree(sb, m);
			m = m_free(m);
		} while (m);
	}
	SB_EMPTY_FIXUP(sb);
}

/*
 * Drop a record off the front of a sockbuf and move the next record to the