linux-kernel - [tip:irq/core] genirq: Remove redundant NULL check of irq

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <tip-fe3464ca8710012a247bb4586dde21b080f88514@git.kernel.org>
Date:	Fri, 10 Jun 2016 12:46:05 -0700
From:	tip-bot for Jianyu Zhan <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, mingo@...nel.org, tglx@...utronix.de,
	nasa4836@...il.com, hpa@...or.com
Subject: [tip:irq/core] genirq: Remove redundant NULL check of irq_desc

Commit-ID:  fe3464ca8710012a247bb4586dde21b080f88514
Gitweb:     http://git.kernel.org/tip/fe3464ca8710012a247bb4586dde21b080f88514
Author:     Jianyu Zhan <nasa4836@...il.com>
AuthorDate: Sat, 19 Mar 2016 21:59:19 +0800
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Fri, 10 Jun 2016 17:07:49 +0200

genirq: Remove redundant NULL check 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>
Cc: mingo@...nel.org
Cc: yhlu.kernel@...il.com
Link: http://lkml.kernel.org/r/1458395959-7046-1-git-send-email-nasa4836@gmail.com
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>

---
 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