linux-kernel - [01/35] genirq: Fix wrong bit operation

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Date:	Fri, 26 Aug 2011 14:49:18 -0700
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Jonghwan Choi <jhbird.choi@...sung.com>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: [01/35] genirq: Fix wrong bit operation

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

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

From: "jhbird.choi@...sung.com" <jhbird.choi@...sung.com>

commit 1dd75f91ae713049eb6baaa640078f3a6549e522 upstream.

(!msk & 0x01) should be !(msk & 0x01)

Signed-off-by: Jonghwan Choi <jhbird.choi@...sung.com>
Link: http://lkml.kernel.org/r/1311229754-6003-1-git-send-email-jhbird.choi@samsung.com
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 kernel/irq/generic-chip.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/kernel/irq/generic-chip.c
+++ b/kernel/irq/generic-chip.c
@@ -246,7 +246,7 @@ void irq_setup_generic_chip(struct irq_c
 		gc->mask_cache = irq_reg_readl(gc->reg_base + ct->regs.mask);
 
 	for (i = gc->irq_base; msk; msk >>= 1, i++) {
-		if (!msk & 0x01)
+		if (!(msk & 0x01))
 			continue;
 
 		if (flags & IRQ_GC_INIT_NESTED_LOCK)
@@ -301,7 +301,7 @@ void irq_remove_generic_chip(struct irq_
 	raw_spin_unlock(&gc_lock);
 
 	for (; msk; msk >>= 1, i++) {
-		if (!msk & 0x01)
+		if (!(msk & 0x01))
 			continue;
 
 		/* Remove handler first. That will mask the irq line */


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