From d64777741686106171c3d0c66cc9b2150a2b09e1 Mon Sep 17 00:00:00 2001
From: Jason Wright <jason@cvs.openbsd.org>
Date: Tue, 13 Jun 2000 05:05:00 +0000
Subject: use the source length to calculate the output length instead of
 relying on the length in the descriptors (which is sometimes 0!).

---
 sys/dev/pci/hifn7751.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/sys/dev/pci/hifn7751.c b/sys/dev/pci/hifn7751.c
index ff725ebad0d..6880990fe43 100644
--- a/sys/dev/pci/hifn7751.c
+++ b/sys/dev/pci/hifn7751.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: hifn7751.c,v 1.40 2000/06/13 02:22:50 jason Exp $	*/
+/*	$OpenBSD: hifn7751.c,v 1.41 2000/06/13 05:04:59 jason Exp $	*/
 
 /*
  * Invertex AEON / Hi/fn 7751 driver
@@ -1361,6 +1361,7 @@ hifn_callback(sc, cmd, macbuf)
 	struct cryptop *crp = (struct cryptop *)cmd->private_data;
 	struct cryptodesc *crd;
 	struct mbuf *m;
+	int totlen;
 
 	if ((crp->crp_flags & CRYPTO_F_IMBUF) && (cmd->src_m != cmd->dst_m)) {
 		m_freem(cmd->src_m);
@@ -1368,16 +1369,15 @@ hifn_callback(sc, cmd, macbuf)
 	}
 
 	if ((m = cmd->dst_m) != NULL) {
-		int totlen = cmd->src_l, len;
-
+		totlen = cmd->src_l;
+		hifnstats.hst_obytes += totlen;
 		while (m) {
-			len = dma->dstr[dma->dstk].l & HIFN_D_LENGTH;
-			if (len > totlen)
-				len = totlen;
+			if (totlen < m->m_len) {
+				m->m_len = totlen;
+				totlen = 0;
+			}
 			else
-				totlen -= len;
-			m->m_len = len;
-			hifnstats.hst_obytes += m->m_len;
+				totlen -= m->m_len;
 			m = m->m_next;
 			if (++dma->dstk == HIFN_D_DST_RSIZE)
 				dma->dstk = 0;
-- 
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