[3/8] gpio: exar: Allocate resources on behalf of the platform device

Do not allocate resources on behalf of the parent device but on our own.
Otherwise, cleanup does not properly work if gpio-exar is removed but
not the parent device.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
---
 drivers/gpio/gpio-exar.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

On Sat, May 13, 2017 at 10:29 AM, Jan Kiszka <jan.kiszka@siemens.com> wrote:
> Do not allocate resources on behalf of the parent device but on our own.
> Otherwise, cleanup does not properly work if gpio-exar is removed but
> not the parent device.

This sounds to me like a good catch.
FWIW:
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>

>
> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
> ---
>  drivers/gpio/gpio-exar.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpio/gpio-exar.c b/drivers/gpio/gpio-exar.c
> index 0a2085faf271..9138ee087c5d 100644
> --- a/drivers/gpio/gpio-exar.c
> +++ b/drivers/gpio/gpio-exar.c
> @@ -139,7 +139,7 @@ static int gpio_exar_probe(struct platform_device *pdev)
>         if (!p)
>                 return -ENOMEM;
>
> -       exar_gpio = devm_kzalloc(&pcidev->dev, sizeof(*exar_gpio), GFP_KERNEL);
> +       exar_gpio = devm_kzalloc(&pdev->dev, sizeof(*exar_gpio), GFP_KERNEL);
>         if (!exar_gpio)
>                 return -ENOMEM;
>
> @@ -160,7 +160,7 @@ static int gpio_exar_probe(struct platform_device *pdev)
>         exar_gpio->regs = p;
>         exar_gpio->index = index;
>
> -       ret = devm_gpiochip_add_data(&pcidev->dev,
> +       ret = devm_gpiochip_add_data(&pdev->dev,
>                                      &exar_gpio->gpio_chip, exar_gpio);
>         if (ret)
>                 goto err_destroy;
> --
> 2.12.0
>

On Sat, May 13, 2017 at 9:29 AM, Jan Kiszka <jan.kiszka@siemens.com> wrote:

> Do not allocate resources on behalf of the parent device but on our own.
> Otherwise, cleanup does not properly work if gpio-exar is removed but
> not the parent device.
>
> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>

Acked-by: Linus Walleij <linus.walleij@linaro.org>

Yours,
Linus Walleij
--
To unsubscribe from this list: send the line "unsubscribe linux-gpio" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html