[PATCH RESEND] riscom8: Fix hang on load

From: Alan Cox
Date: Mon Mar 10 2008 - 09:38:36 EST


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@xxxxxxxxxx>

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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