From: Jiri Slaby <jirislaby@gmail.com>
Date: Wed, 23 May 2007 20:57:56 +0000 (-0700)
Subject: [PATCH] Char: cyclades, fix deadlock
X-Git-Tag: v2.6.20.16~23
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ed5582cc968044612c7ff79bb22cd2a20cd2bc8f;p=thirdparty%2Fkernel%2Fstable.git

[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>
---

diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c
index 3ffa0807754c3..e4e0ccb466733 100644
--- a/drivers/char/cyclades.c
+++ b/drivers/char/cyclades.c
@@ -1102,6 +1102,7 @@ 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)) {