Merge branch 'for-linus-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/mason...

[cascardo/linux.git] / kernel / irq / proc.c

diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c
index 40bdcdc..feaa813 100644 (file)
--- a/kernel/irq/proc.c
+++ b/kernel/irq/proc.c
@@ -311,7 +311,6 @@ void register_handler_proc(unsigned int irq, struct irqaction *action)
                                        !name_unique(irq, action))
                return;
 
-       memset(name, 0, MAX_NAMELEN);
        snprintf(name, MAX_NAMELEN, "%s", action->name);
 
        /* create /proc/irq/1234/handler/ */
@@ -340,7 +339,6 @@ void register_irq_proc(unsigned int irq, struct irq_desc *desc)
        if (desc->dir)
                goto out_unlock;
 
-       memset(name, 0, MAX_NAMELEN);
        sprintf(name, "%d", irq);
 
        /* create /proc/irq/1234 */
@@ -386,7 +384,6 @@ void unregister_irq_proc(unsigned int irq, struct irq_desc *desc)
 #endif
        remove_proc_entry("spurious", desc->dir);
 
-       memset(name, 0, MAX_NAMELEN);
        sprintf(name, "%u", irq);
        remove_proc_entry(name, root_irq_dir);
 }
@@ -421,12 +418,8 @@ 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