From: Dean Nelson <dcn@sgi.com>
Date: Fri, 5 Sep 2008 14:10:40 +0000 (-0500)
Subject: irq: set_irq_chip() has redundant call to irq_to_desc()
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=21056830c4e5c6735f1d49453398d7186ca4e8d7;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git

irq: set_irq_chip() has redundant call to irq_to_desc()

Extraneous call to irq_to_desc().

Signed-off-by: Dean Nelson <dcn@sgi.com>
Cc: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index 4ef555c50db..570d1ea1db5 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -102,7 +102,6 @@ int set_irq_chip(unsigned int irq, struct irq_chip *chip)
 	if (!chip)
 		chip = &no_irq_chip;
 
-	desc = irq_to_desc(irq);
 	spin_lock_irqsave(&desc->lock, flags);
 	irq_chip_set_defaults(chip);
 	desc->chip = chip;