From: Jiri Slaby <jirislaby@gmail.com>
Date: Wed, 23 May 2007 20:57:56 +0000 (-0700)
Subject: Char: cyclades, fix deadlock
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=3fcbc72965f767bb5c4518aef754c28f45fc6147;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git

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>
---

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)) {