From 73bdc710a3892d8b347350fd04884a0427a5fa6e Mon Sep 17 00:00:00 2001
From: Jiri Slaby <jirislaby@gmail.com>
Date: Wed, 23 May 2007 13:57:56 -0700
Subject: [PATCH] [PATCH] Char: cyclades, fix deadlock

An omitted unlock.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/char/cyclades.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c
index 16dc5d1d3cb4..ab3950384b74 100644
--- a/drivers/char/cyclades.c
+++ b/drivers/char/cyclades.c
@@ -1103,6 +1103,7 @@ static void cyy_intr_chip(struct cyclades_card *cinfo, int chip,
 
 				if (data & info->ignore_status_mask) {
 					info->icount.rx++;
+					spin_unlock(&cinfo->card_lock);
 					return;
 				}
 				if (tty_buffer_request_room(tty, 1)) {