diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2025-04-29 08:55:37 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2025-05-07 09:08:15 +0200 |
| commit | 1b74444467240d9ff11cf109efdfb2af2f0b60c7 (patch) | |
| tree | ac1b4a5b924bc912f69a941da9a76008304d03a7 /kernel/irq/manage.c | |
| parent | 55ac0ad22fec0c5c5a76112725804957a62f5af7 (diff) | |
genirq/manage: Rework __disable_irq_nosync()
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
Diffstat (limited to 'kernel/irq/manage.c')
| -rw-r--r-- | kernel/irq/manage.c | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index c18440d41480..edc8118799c9 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -659,14 +659,11 @@ void __disable_irq(struct irq_desc *desc) static int __disable_irq_nosync(unsigned int irq) { - unsigned long flags; - struct irq_desc *desc = irq_get_desc_buslock(irq, &flags, IRQ_GET_DESC_CHECK_GLOBAL); - - if (!desc) - return -EINVAL; - __disable_irq(desc); - irq_put_desc_busunlock(desc, flags); - return 0; + scoped_irqdesc_get_and_lock(irq, IRQ_GET_DESC_CHECK_GLOBAL) { + __disable_irq(scoped_irqdesc); + return 0; + } + return -EINVAL; } /** |