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genirq/debugfs: Remove pointless NULL pointer check

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debugfs_remove() has it's own NULL pointer check. Remove the conditional
and make irq_remove_debugfs_entry() an inline helper

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Thomas Gleixner 2017-06-24 11:05:59 +02:00
parent 8d9d51b62e
commit c2ce34c0a0
2 changed files with 6 additions and 8 deletions
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7
kernel/irq/debugfs.c
View File

@ -3,7 +3,6 @@
*
* This file is licensed under the GPL V2.
*/
#include <linux/debugfs.h>
#include <linux/irqdomain.h>
#include <linux/irq.h>
@ -191,12 +190,6 @@ void irq_add_debugfs_entry(unsigned int irq, struct irq_desc *desc)
&dfs_irq_ops);
}
void irq_remove_debugfs_entry(struct irq_desc *desc)
{
if (desc->debugfs_file)
debugfs_remove(desc->debugfs_file);
}
static int __init irq_debugfs_init(void)
{
struct dentry *root_dir;

7
kernel/irq/internals.h
View File

@ -318,8 +318,13 @@ static inline bool irq_fixup_move_pending(struct irq_desc *desc, bool fclear)
#endif /* !CONFIG_GENERIC_PENDING_IRQ */
#ifdef CONFIG_GENERIC_IRQ_DEBUGFS
#include <linux/debugfs.h>
void irq_add_debugfs_entry(unsigned int irq, struct irq_desc *desc);
void irq_remove_debugfs_entry(struct irq_desc *desc);
static inline void irq_remove_debugfs_entry(struct irq_desc *desc)
{
debugfs_remove(desc->debugfs_file);
}
# ifdef CONFIG_IRQ_DOMAIN
void irq_domain_debugfs_init(struct dentry *root);
# else