linux-kernel - [PATCH] genirq: Remove redundent check of NUll'ness of irq

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Date:	Sat, 19 Mar 2016 21:59:19 +0800
From:	Jianyu Zhan <nasa4836@...il.com>
To:	tglx@...utronix.de, mingo@...e.hu, yhlu.kernel@...il.com
Cc:	linux-kernel@...r.kernel.org, Jianyu Zhan <nasa4836@...il.com>
Subject: [PATCH] genirq: Remove redundent check of NUll'ness of irq_desc

for_each_irq_desc() macro has already skipped NULL irq_desc, don't
bother to check it again.

Signed-off-by: Jianyu Zhan <nasa4836@...il.com>
---
 kernel/irq/proc.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c
index 4e1b947..50a8f28 100644
--- a/kernel/irq/proc.c
+++ b/kernel/irq/proc.c
@@ -421,12 +421,8 @@ void init_irq_proc(void)
 	/*
 	 * Create entries for all existing IRQs.
 	 */
-	for_each_irq_desc(irq, desc) {
-		if (!desc)
-			continue;
-
+	for_each_irq_desc(irq, desc)
 		register_irq_proc(irq, desc);
-	}
 }
 
 #ifdef CONFIG_GENERIC_IRQ_SHOW
-- 
2.4.3