From: Alexander Gordeev <agordeev@redhat.com>
Date: Fri, 9 Mar 2012 13:59:13 +0000 (+0100)
Subject: genirq: Fix incorrect check for forced IRQ thread handler
X-Git-Tag: v3.3.1~123
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a65dcdb33aed68ed3841703453fb659cbb997aec;p=thirdparty%2Fkernel%2Fstable.git

genirq: Fix incorrect check for forced IRQ thread handler

commit 540b60e24f3f4781d80e47122f0c4486a03375b8 upstream.

We do not want a bitwise AND between boolean operands

Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Link: http://lkml.kernel.org/r/20120309135912.GA2114@dhcp-26-207.brq.redhat.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 0f0d4704ddd8a..6ffd4196dc461 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -773,7 +773,7 @@ static int irq_thread(void *data)
 			struct irqaction *action);
 	int wake;
 
-	if (force_irqthreads & test_bit(IRQTF_FORCED_THREAD,
+	if (force_irqthreads && test_bit(IRQTF_FORCED_THREAD,
 					&action->thread_flags))
 		handler_fn = irq_forced_thread_fn;
 	else