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-rw-r--r--kernel/irq/generic-chip.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/irq/generic-chip.c b/kernel/irq/generic-chip.c
index 10e663ab1f4a..452d6f2ba21d 100644
--- a/kernel/irq/generic-chip.c
+++ b/kernel/irq/generic-chip.c
@@ -275,7 +275,7 @@ int irq_alloc_domain_generic_chips(struct irq_domain *d, int irqs_per_chip,
if (d->gc)
return -EBUSY;
- numchips = d->revmap_size / irqs_per_chip;
+ numchips = DIV_ROUND_UP(d->revmap_size, irqs_per_chip);
if (!numchips)
return -EINVAL;
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