Commit 5ac9d2df authored by Markus Elfring's avatar Markus Elfring Committed by Linus Walleij
Browse files

gpio-adnp: Use common error handling code in adnp_gpio_dbg_show() 



Add a jump target so that a bit of exception handling can be better reused
at the end of this function.

This issue was detected by using the Coccinelle software.

Signed-off-by: default avatarMarkus Elfring <elfring@users.sourceforge.net>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 5a24d4b6

drivers/gpio/gpio-adnp.c

+13 −16
Original line number Diff line number Diff line
@@ -192,28 +192,20 @@ static void adnp_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip) 
		mutex_lock(&adnp->i2c_lock);



		err = adnp_read(adnp, GPIO_DDR(adnp) + i, &ddr);

		if (err < 0) {

			mutex_unlock(&adnp->i2c_lock);

			return;

		}

		if (err < 0)

			goto unlock;



		err = adnp_read(adnp, GPIO_PLR(adnp) + i, &plr);

		if (err < 0) {

			mutex_unlock(&adnp->i2c_lock);

			return;

		}

		if (err < 0)

			goto unlock;



		err = adnp_read(adnp, GPIO_IER(adnp) + i, &ier);

		if (err < 0) {

			mutex_unlock(&adnp->i2c_lock);

			return;

		}

		if (err < 0)

			goto unlock;



		err = adnp_read(adnp, GPIO_ISR(adnp) + i, &isr);

		if (err < 0) {

			mutex_unlock(&adnp->i2c_lock);

			return;

		}

		if (err < 0)

			goto unlock;



		mutex_unlock(&adnp->i2c_lock);
@@ -240,6 +232,11 @@ static void adnp_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip) 
				   direction, level, interrupt, pending);

		}

	}



	return;



unlock:

	mutex_unlock(&adnp->i2c_lock);

}



static int adnp_gpio_setup(struct adnp *adnp, unsigned int num_gpios)