From 3fcbc72965f767bb5c4518aef754c28f45fc6147 Mon Sep 17 00:00:00 2001
From: Jiri Slaby <jirislaby@gmail.com>
Date: Wed, 23 May 2007 13:57:56 -0700
Subject: [PATCH] Char: cyclades, fix deadlock

An omitted unlock.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/char/cyclades.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c
index c72ee97d389..ca376b92162 100644
--- a/drivers/char/cyclades.c
+++ b/drivers/char/cyclades.c
@@ -1061,6 +1061,7 @@ 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)) {
-- 
2.20.1