From b77bc833bc9ee1af1235f129734b5f2e098d7af8 Mon Sep 17 00:00:00 2001
From: Shaun Ruffell <sruffell@digium.com>
Date: Fri, 21 Jan 2011 05:28:05 +0000
Subject: [PATCH] dahdi-base: All channels for a span are now unconfigured on
 shutdown

Origin: http://svnview.digium.com/svn/dahdi?view=rev&rev=9317

git-svn-id: http://svn.asterisk.org/svn/dahdi/linux/branches/2.4@9659 a0bf4364-ded3-4de4-8d8a-66a801d63aff
---
 drivers/dahdi/dahdi-base.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/dahdi/dahdi-base.c b/drivers/dahdi/dahdi-base.c
index e443dda..1c4dc8f 100644
--- a/drivers/dahdi/dahdi-base.c
+++ b/drivers/dahdi/dahdi-base.c
@@ -4221,6 +4221,11 @@ static int dahdi_ctl_ioctl(struct file *file, unsigned int cmd, unsigned long da
 		return 0;
 	case DAHDI_SHUTDOWN:
 		CHECK_VALID_SPAN(j);
+
+		/* Unconfigure channels */
+		for (x = 0; x < spans[j]->channels; x++)
+			spans[j]->chans[x]->sig = 0;
+
 		if (spans[j]->ops->shutdown)
 			res =  spans[j]->ops->shutdown(spans[j]);
 		spans[j]->flags &= ~DAHDI_FLAG_RUNNING;