34c34
< * $FreeBSD: head/sys/kern/uipc_sockbuf.c 51381 1999-09-19 02:17:02Z green $
---
> * $FreeBSD: head/sys/kern/uipc_sockbuf.c 51757 1999-09-28 12:59:18Z pb $
733c733,739
< while (sb->sb_mbcnt && sb->sb_cc)
---
> while (sb->sb_mbcnt) {
> /*
> * Don't call sbdrop(sb, 0) if the leading mbuf is non-empty:
> * we would loop forever. Panic instead.
> */
> if (!sb->sb_cc && (sb->sb_mb == NULL || sb->sb_mb->m_len))
> break;
734a741
> }