gpiolib: Don't shadow error code of gpiochip_lock_as_irq()

gpiochip_lock_as_irq() may return a few error codes,
do not shadow them by -EINVAL and let caller to decide.

No functional change intended.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index bdbfc95793e7..6bfd4e5cc161 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -1805,16 +1805,18 @@ static const struct irq_domain_ops gpiochip_domain_ops = {
 static int gpiochip_irq_reqres(struct irq_data *d)
 {
         struct gpio_chip *chip = irq_data_get_irq_chip_data(d);
+        int ret;
 
         if (!try_module_get(chip->gpiodev->owner))
                 return -ENODEV;
 
-        if (gpiochip_lock_as_irq(chip, d->hwirq)) {
+        ret = gpiochip_lock_as_irq(chip, d->hwirq);
+        if (ret) {
                 chip_err(chip,
                         "unable to lock HW IRQ %lu for IRQ\n",
                         d->hwirq);
                 module_put(chip->gpiodev->owner);
-                return -EINVAL;
+                return ret;
         }
         return 0;
 }