From: Alan Cox <alan@lxorguk.ukuu.org.uk>
Date: Mon, 10 Mar 2008 13:24:49 +0000 (+0000)
Subject: riscom8: Fix hang on load
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=f4299e1943d0c9ce29a6c5dc7c7674a82a17b315;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git

riscom8: Fix hang on load

This has been around for a while but nobody reported it until recently.
Resubmitting the fix as it's appropriate for 2.6.25

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/drivers/char/riscom8.c b/drivers/char/riscom8.c
index 8fc4fe4e38f..589ac6f65b9 100644
--- a/drivers/char/riscom8.c
+++ b/drivers/char/riscom8.c
@@ -1620,14 +1620,8 @@ static int __init rc_init_drivers(void)
 
 static void rc_release_drivers(void)
 {
-	unsigned long flags;
-
-	spin_lock_irqsave(&riscom_lock, flags);
-
 	tty_unregister_driver(riscom_driver);
 	put_tty_driver(riscom_driver);
-
-	spin_unlock_irqrestore(&riscom_lock, flags);
 }
 
 #ifndef MODULE