linux-kernel - [ 038/108] genirq: Fix incorrect check for forced IRQ thread handler

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Message-Id: <20120330195727.554130739@linuxfoundation.org>
Date:	Fri, 30 Mar 2012 12:58:00 -0700
From:	Greg KH <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	alan@...rguk.ukuu.org.uk, Alexander Gordeev <agordeev@...hat.com>,
	Oleg Nesterov <oleg@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: [ 038/108] genirq: Fix incorrect check for forced IRQ thread handler

3.0-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Alexander Gordeev <agordeev@...hat.com>

commit 540b60e24f3f4781d80e47122f0c4486a03375b8 upstream.

We do not want a bitwise AND between boolean operands

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

---
 kernel/irq/manage.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -770,7 +770,7 @@ 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


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