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genirq/manage: Rework __disable_irq_nosync()

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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/20250429065422.013088277@linutronix.de
This commit is contained in:
Thomas Gleixner 2025-04-29 08:55:37 +02:00
parent 55ac0ad22f
commit 1b74444467
1 changed files with 5 additions and 8 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

11
kernel/irq/manage.c
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@ -659,14 +659,11 @@ void __disable_irq(struct irq_desc *desc)
static int __disable_irq_nosync(unsigned int irq) static int __disable_irq_nosync(unsigned int irq)
{ {
unsigned long flags; scoped_irqdesc_get_and_lock(irq, IRQ_GET_DESC_CHECK_GLOBAL) {
struct irq_desc *desc = irq_get_desc_buslock(irq, &flags, IRQ_GET_DESC_CHECK_GLOBAL); __disable_irq(scoped_irqdesc);
if (!desc)
return -EINVAL;
__disable_irq(desc);
irq_put_desc_busunlock(desc, flags);
return 0; return 0;
}
return -EINVAL;
} }
/** /**