Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...

[~andy/linux] / kernel / irq / generic-chip.c

diff --git a/kernel/irq/generic-chip.c b/kernel/irq/generic-chip.c
index 10e663ab1f4aa0c88bc120660d824e50c099f9a2..452d6f2ba21d9ae0b2b6cd1a966721b325ec9e23 100644 (file)
--- 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;