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 c72ee97d3892..ca376b92162c 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)) {
--
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