netdev - [PATCH 1/4] isdn/gigaset: improve error handling when leaving DLE mode

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Date:	Fri, 3 Oct 2014 17:03:32 +0200
From:	Tilman Schmidt <tilman@...p.cc>
To:	netdev@...r.kernel.org
Cc:	David Miller <davem@...emloft.net>, Hansjoerg Lipp <hjlipp@....de>,
	Karsten Keil <isdn@...ux-pingi.de>,
	isdn4linux@...tserv.isdn4linux.de
Subject: [PATCH 1/4] isdn/gigaset: improve error handling when leaving DLE mode

Avoid cascading warnings when leaving DLE mode fails by clearing
the DLE flag before entering recovery.

Signed-off-by: Tilman Schmidt <tilman@...p.cc>

---
 drivers/isdn/gigaset/ev-layer.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/isdn/gigaset/ev-layer.c b/drivers/isdn/gigaset/ev-layer.c
index 7459b12..dcae14a 100644
--- a/drivers/isdn/gigaset/ev-layer.c
+++ b/drivers/isdn/gigaset/ev-layer.c
@@ -1243,7 +1243,8 @@ static void do_action(int action, struct cardstate *cs,
 		break;
 	case ACT_FAILDLE0:
 		cs->cur_at_seq = SEQ_NONE;
-		dev_warn(cs->dev, "Could not leave DLE mode.\n");
+		dev_warn(cs->dev, "Error leaving DLE mode.\n");
+		cs->dle = 0;
 		at_state2 = &cs->bcs[cs->curchannel].at_state;
 		disconnect(&at_state2);
 		schedule_init(cs, MS_RECOVER);
-- 
1.9.2.459.g68773ac

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