gpio: adnp: Fix segfault if request_threaded_irq fails

In case request_threaded_irq inside adnp_irq_setup fails, the driver
segfaults. This is because irq_domain_remove is called twice with
the same pointer. First time in adnp_irq_setup and then a second time
after leaving adnp_irq_setup in the error path of adnp_i2c_probe
inside adnp_teardown.
This fixes this by removing the call to irq_domain_remove from
adnp_irq_setup.

Signed-off-by: Lars Poeschel <poeschel@lemonage.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 1 insertions, 5 deletions

diff --git a/drivers/gpio/gpio-adnp.c b/drivers/gpio/gpio-adnp.c
index e60567fc5073..c0f3fc44ab0e 100644
--- a/drivers/gpio/gpio-adnp.c
+++ b/drivers/gpio/gpio-adnp.c
@@ -490,15 +490,11 @@ static int adnp_irq_setup(struct adnp *adnp)
         if (err != 0) {
                 dev_err(chip->dev, "can't request IRQ#%d: %d\n",
                         adnp->client->irq, err);
-                goto error;
+                return err;
         }
 
         chip->to_irq = adnp_gpio_to_irq;
         return 0;
-
-error:
-        irq_domain_remove(adnp->domain);
-        return err;
 }
 
 static void adnp_irq_teardown(struct adnp *adnp)