From 452b8fd2eef793136b4a3b5e49e44d38794ffe8e Mon Sep 17 00:00:00 2001
From: rik <rik@FreeBSD.org>
Date: Sat, 9 Jul 2005 14:03:02 +0000
Subject: Protect from partially initialized channels.

Approved by:	re (scottl)
---
 sys/dev/cp/if_cp.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'sys/dev/cp')

diff --git a/sys/dev/cp/if_cp.c b/sys/dev/cp/if_cp.c
index 79131ad..bd18f25 100644
--- a/sys/dev/cp/if_cp.c
+++ b/sys/dev/cp/if_cp.c
@@ -326,6 +326,8 @@ static void cp_intr (void *arg)
 	for (i = 0; i < NCHAN && b->chan[i].type; i++) {
 		drv_t *d = b->chan[i].sys;
 		struct mbuf *m;
+		if (!d || !d->running)
+			continue;
 		while (_IF_QLEN(&d->queue)) {
 			IF_DEQUEUE (&d->queue,m);
 			if (!m)
-- 
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