diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2025-04-29 08:55:43 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2025-05-07 09:08:15 +0200 |
| commit | 90140d08ac7a1e1ea3136132e1fab9baec174c25 (patch) | |
| tree | 81eb5b85645482b003d91c9285cd6c801196c2cd | |
| parent | a1ceb831417b8e23bd041d3e7021e235fa845128 (diff) | |
genirq/manage: Rework irq_set_parent()
Use the new guards to get and lock the interrupt descriptor and tidy up the
code.
No functional change.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/all/20250429065422.258216558@linutronix.de
| -rw-r--r-- | kernel/irq/manage.c | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index b6f057a6b8ae4..a08bbada83eac 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -959,16 +959,11 @@ int __irq_set_trigger(struct irq_desc *desc, unsigned long flags) #ifdef CONFIG_HARDIRQS_SW_RESEND int irq_set_parent(int irq, int parent_irq) { - unsigned long flags; - struct irq_desc *desc = irq_get_desc_lock(irq, &flags, 0); - - if (!desc) - return -EINVAL; - - desc->parent_irq = parent_irq; - - irq_put_desc_unlock(desc, flags); - return 0; + scoped_irqdesc_get_and_lock(irq, 0) { + scoped_irqdesc->parent_irq = parent_irq; + return 0; + } + return -EINVAL; } EXPORT_SYMBOL_GPL(irq_set_parent); #endif |