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-rw-r--r--drivers/base/regmap/regmap-irq.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/base/regmap/regmap-irq.c b/drivers/base/regmap/regmap-irq.c
index 4fac4b9..b74e14c 100644
--- a/drivers/base/regmap/regmap-irq.c
+++ b/drivers/base/regmap/regmap-irq.c
@@ -346,6 +346,10 @@ EXPORT_SYMBOL_GPL(regmap_irq_chip_get_base);
*/
int regmap_irq_get_virq(struct regmap_irq_chip_data *data, int irq)
{
+ /* Handle holes in the IRQ list */
+ if (!data->chip->irqs[irq].mask)
+ return -EINVAL;
+
return irq_create_mapping(data->domain, irq);
}
EXPORT_SYMBOL_GPL(regmap_irq_get_virq);