Re: [PATCH] gpio: sim: fix a memory leak

From: Bartosz Golaszewski
Date: Fri Feb 17 2023 - 06:06:16 EST


On Thu, Feb 16, 2023 at 3:16 PM Bartosz Golaszewski <brgl@xxxxxxxx> wrote:
>
> Fix an inverted logic bug in gpio_sim_remove_hogs() that leads to GPIO
> hog structures never being freed.
>
> Fixes: cb8c474e79be ("gpio: sim: new testing module")
> Reported-by: Mirsad Goran Todorovac <mirsad.todorovac@xxxxxxxxxxxx>
> Signed-off-by: Bartosz Golaszewski <brgl@xxxxxxxx>
> ---
> drivers/gpio/gpio-sim.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpio/gpio-sim.c b/drivers/gpio/gpio-sim.c
> index 60514bc5454f..9e3893b19e4f 100644
> --- a/drivers/gpio/gpio-sim.c
> +++ b/drivers/gpio/gpio-sim.c
> @@ -736,7 +736,7 @@ static void gpio_sim_remove_hogs(struct gpio_sim_device *dev)
>
> gpiod_remove_hogs(dev->hogs);
>
> - for (hog = dev->hogs; !hog->chip_label; hog++) {
> + for (hog = dev->hogs; hog->chip_label; hog++) {
> kfree(hog->chip_label);
> kfree(hog->line_name);
> }
> --
> 2.37.2
>

Applied and fixed the email address used.

Bart