genirq: Fix wrong bit operation

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

Signed-off-by: Jonghwan Choi <jhbird.choi@samsung.com>
Link: http://lkml.kernel.org/r/1311229754-6003-1-git-send-email-jhbird.choi@samsung.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@kernel.org

kernel/irq/generic-chip.c

@@ -246,7 +246,7 @@ void irq_setup_generic_chip(struct irq_chip_generic *gc, u32 msk,
 		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_chip_generic *gc, u32 msk,
 	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 */