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path: root/drivers/gpio/gpiolib-acpi.c
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Diffstat (limited to 'drivers/gpio/gpiolib-acpi.c')
-rw-r--r--drivers/gpio/gpiolib-acpi.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c
index c0929d938ced..df990f29757a 100644
--- a/drivers/gpio/gpiolib-acpi.c
+++ b/drivers/gpio/gpiolib-acpi.c
@@ -201,6 +201,10 @@ static acpi_status acpi_gpiochip_request_interrupt(struct acpi_resource *ares,
201 if (!handler) 201 if (!handler)
202 return AE_BAD_PARAMETER; 202 return AE_BAD_PARAMETER;
203 203
204 pin = acpi_gpiochip_pin_to_gpio_offset(chip, pin);
205 if (pin < 0)
206 return AE_BAD_PARAMETER;
207
204 desc = gpiochip_request_own_desc(chip, pin, "ACPI:Event"); 208 desc = gpiochip_request_own_desc(chip, pin, "ACPI:Event");
205 if (IS_ERR(desc)) { 209 if (IS_ERR(desc)) {
206 dev_err(chip->dev, "Failed to request GPIO\n"); 210 dev_err(chip->dev, "Failed to request GPIO\n");
@@ -551,6 +555,12 @@ acpi_gpio_adr_space_handler(u32 function, acpi_physical_address address,
551 struct gpio_desc *desc; 555 struct gpio_desc *desc;
552 bool found; 556 bool found;
553 557
558 pin = acpi_gpiochip_pin_to_gpio_offset(chip, pin);
559 if (pin < 0) {
560 status = AE_BAD_PARAMETER;
561 goto out;
562 }
563
554 mutex_lock(&achip->conn_lock); 564 mutex_lock(&achip->conn_lock);
555 565
556 found = false; 566 found = false;