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genirq/debugfs: Remove redundant NULL pointer check
author
Thomas Gleixner
<tglx@linutronix.de>
Fri, 7 Jul 2017 06:57:57 +0000
(08:57 +0200)
committer
Thomas Gleixner
<tglx@linutronix.de>
Fri, 7 Jul 2017 06:57:57 +0000
(08:57 +0200)
debugfs_remove() can be called with a NULL pointer.
Fixes:
087cdfb662ae5
("genirq/debugfs: Add proper debugfs interface")
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
kernel/irq/irqdomain.c
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diff --git
a/kernel/irq/irqdomain.c
b/kernel/irq/irqdomain.c
index
14fe862
..
ed47688
100644
(file)
--- a/
kernel/irq/irqdomain.c
+++ b/
kernel/irq/irqdomain.c
@@
-1667,8
+1667,7
@@
static void debugfs_add_domain_dir(struct irq_domain *d)
static void debugfs_remove_domain_dir(struct irq_domain *d)
{
- if (d->debugfs_file)
- debugfs_remove(d->debugfs_file);
+ debugfs_remove(d->debugfs_file);
}
void __init irq_domain_debugfs_init(struct dentry *root)