]> git.ipfire.org Git - thirdparty/kernel/stable.git/commitdiff
gpio: fix resource unwinding order in error path
authorBartosz Golaszewski <bartosz.golaszewski@linaro.org>
Thu, 29 Feb 2024 17:25:49 +0000 (18:25 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 6 Mar 2024 14:37:50 +0000 (14:37 +0000)
[ Upstream commit ec5c54a9d3c4f9c15e647b049fea401ee5258696 ]

Hogs are added *after* ACPI so should be removed *before* in error path.

Fixes: a411e81e61df ("gpiolib: add hogs support for machine code")
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/gpio/gpiolib.c

index 9c3aa518e6b7916a0ae009d0212326a90551da4d..374bb9f432660b1ddb51c215353e4892810fa5f8 100644 (file)
@@ -732,11 +732,11 @@ int gpiochip_add_data_with_key(struct gpio_chip *gc, void *data,
 
        ret = gpiochip_irqchip_init_valid_mask(gc);
        if (ret)
-               goto err_remove_acpi_chip;
+               goto err_free_hogs;
 
        ret = gpiochip_irqchip_init_hw(gc);
        if (ret)
-               goto err_remove_acpi_chip;
+               goto err_remove_irqchip_mask;
 
        ret = gpiochip_add_irqchip(gc, lock_key, request_key);
        if (ret)
@@ -761,11 +761,11 @@ err_remove_irqchip:
        gpiochip_irqchip_remove(gc);
 err_remove_irqchip_mask:
        gpiochip_irqchip_free_valid_mask(gc);
-err_remove_acpi_chip:
+err_free_hogs:
+       gpiochip_free_hogs(gc);
        acpi_gpiochip_remove(gc);
        gpiochip_remove_pin_ranges(gc);
 err_remove_of_chip:
-       gpiochip_free_hogs(gc);
        of_gpiochip_remove(gc);
 err_free_gpiochip_mask:
        gpiochip_free_valid_mask(gc);