mfd: max77693: Fix mapping IRQ during mask/unmask

Use hwirq in max77693_irq_mask() and max77693_irq_unmask() for accessing
irq array. Previously the virtual irq was used which resulted in
out-of-bounds access.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Change-Id: I6e2e6751d07427072e90d9f4dfef921108485f29

diff --git a/drivers/mfd/max77693-irq.c b/drivers/mfd/max77693-irq.c
index 1029d01..66b58fe 100644 (file)
--- a/drivers/mfd/max77693-irq.c
+++ b/drivers/mfd/max77693-irq.c
@@ -128,7 +128,8 @@ static void max77693_irq_sync_unlock(struct irq_data *data)
 static const inline struct max77693_irq_data *
 irq_to_max77693_irq(struct max77693_dev *max77693, int irq)
 {
-       return &max77693_irqs[irq];
+       struct irq_data *data = irq_get_irq_data(irq);
+       return &max77693_irqs[data->hwirq];
 }
 
 static void max77693_irq_mask(struct irq_data *data)