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Message-ID: <20090919-patch-gigaset-02.tilman@imap.cc>
Date: Sat, 19 Sep 2009 01:57:43 +0200 (CEST)
From: Tilman Schmidt <tilman@...p.cc>
To: Karsten Keil <isdn@...ux-pingi.de>,
Karsten Keil <keil@...systems.de>
CC: Hansjoerg Lipp <hjlipp@....de>, davem@...emloft.net,
i4ldeveloper@...tserv.isdn4linux.de, netdev@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH 02/12] gigaset: fix reject/hangup handling
Signal D channel disconnect in a few cases where it was missed,
including when an incoming call is disconnected before it was
accepted.
Impact: error handling improvement
Signed-off-by: Tilman Schmidt <tilman@...p.cc>
---
drivers/isdn/gigaset/ev-layer.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/drivers/isdn/gigaset/ev-layer.c b/drivers/isdn/gigaset/ev-layer.c
index 2d91049..ff2ec2c 100644
--- a/drivers/isdn/gigaset/ev-layer.c
+++ b/drivers/isdn/gigaset/ev-layer.c
@@ -707,6 +707,11 @@ static void disconnect(struct at_state_t **at_state_p)
if (bcs) {
/* B channel assigned: invoke hardware specific handler */
cs->ops->close_bchannel(bcs);
+ /* notify LL */
+ if (bcs->chstate & (CHS_D_UP | CHS_NOTIFY_LL)) {
+ bcs->chstate &= ~(CHS_D_UP | CHS_NOTIFY_LL);
+ gigaset_i4l_channel_cmd(bcs, ISDN_STAT_DHUP);
+ }
} else {
/* no B channel assigned: just deallocate */
spin_lock_irqsave(&cs->lock, flags);
--
1.6.2.1.214.ge986c
--
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