linux-kernel - [PATCH RESEND] riscom8: Fix hang on load

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Message-ID: <20080310132449.56ef57e9@core>
Date:	Mon, 10 Mar 2008 13:24:49 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	torvalds@...l.org, linux-kernel@...r.kernel.org
Subject: [PATCH RESEND] 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@...hat.com>

diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.25-rc2-mm1/drivers/char/riscom8.c linux-2.6.25-rc2-mm1/drivers/char/riscom8.c
--- linux.vanilla-2.6.25-rc2-mm1/drivers/char/riscom8.c	2008-02-19 11:03:00.000000000 +0000
+++ linux-2.6.25-rc2-mm1/drivers/char/riscom8.c	2008-02-20 22:00:16.000000000 +0000
@@ -1620,14 +1617,8 @@
 
 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
--
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