genirq: Reuse existing can set affinty check
Add a !desc check while at it.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c
index afe4e68..4cc2e5e 100644
--- a/kernel/irq/proc.c
+++ b/kernel/irq/proc.c
@@ -66,8 +66,7 @@
cpumask_var_t new_value;
int err;
- if (!irq_to_desc(irq)->irq_data.chip->irq_set_affinity || no_irq_affinity ||
- irq_balancing_disabled(irq))
+ if (!irq_can_set_affinity(irq) || no_irq_affinity)
return -EIO;
if (!alloc_cpumask_var(&new_value, GFP_KERNEL))