genirq: Remove redundant NULL check of irq_desc
authorJianyu Zhan <nasa4836@gmail.com>
Sat, 19 Mar 2016 13:59:19 +0000 (21:59 +0800)
committerThomas Gleixner <tglx@linutronix.de>
Fri, 10 Jun 2016 15:07:49 +0000 (17:07 +0200)
for_each_irq_desc() macro has already skipped NULL irq_desc, don't
bother to check it again.

Signed-off-by: Jianyu Zhan <nasa4836@gmail.com>
Cc: mingo@kernel.org
Cc: yhlu.kernel@gmail.com
Link: http://lkml.kernel.org/r/1458395959-7046-1-git-send-email-nasa4836@gmail.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
kernel/irq/proc.c

index 4e1b94726818001d7a165162b1ec954dc74880a9..50a8f28be247ffeab1612a35f3263b137174c6c5 100644 (file)
@@ -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