[PATCH v2] gpio: regmap: Fix memleak in gpio_remap_register

Wentao Guan
2025-12-03T14:18:03Z

We should call gpiochip_remove(chip) to free the resource
alloced by gpiochip_add_data(chip, gpio) after the err path.

Fixes: 553b75d4bfe9 ("gpio: regmap: Allow to allocate regmap-irq device")
CC: stable@vger.kernel.org
Co-developed-by: WangYuli <wangyl5933@chinaunicom.cn>
Signed-off-by: WangYuli <wangyl5933@chinaunicom.cn>
Signed-off-by: Wentao Guan <guanwentao@uniontech.com>
---
changelog in v2:
1. format commit message.
2. rebase to mainline now.
---
---
drivers/gpio/gpio-regmap.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpio/gpio-regmap.c b/drivers/gpio/gpio-regmap.c
index f4267af00027e..c64805dcb9f88 100644
--- a/drivers/gpio/gpio-regmap.c
+++ b/drivers/gpio/gpio-regmap.c
@@ -328,7 +328,7 @@ struct gpio_regmap *gpio_regmap_register(const struct gpio_regmap_config *config
config->regmap_irq_line, config->regmap_irq_flags,
0, config->regmap_irq_chip, &gpio->irq_chip_data);
if (ret)
- goto err_free_bitmap;
+ goto err_remove_gpiochip;

irq_domain = regmap_irq_get_domain(gpio->irq_chip_data);
} else

base-commit: 3f9f0252130e7dd60d41be0802bf58f6471c691d
--
2.20.1