linux-kernel - [PATCH 5/5] gpio: aggregator: Fix leak in gpio_aggregator

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Message-ID: <e023bfe52509ce1bef6209ec7c47e99279c551dd.1744452787.git.dan.carpenter@linaro.org>
Date: Sat, 12 Apr 2025 13:15:31 +0300
From: Dan Carpenter <dan.carpenter@...aro.org>
To: Koichiro Den <koichiro.den@...onical.com>
Cc: Geert Uytterhoeven <geert+renesas@...der.be>,
	Linus Walleij <linus.walleij@...aro.org>,
	Bartosz Golaszewski <brgl@...ev.pl>, linux-gpio@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 5/5] gpio: aggregator: Fix leak in gpio_aggregator_parse()

Call gpio_aggregator_free_lines() before returning on this error path.

Fixes: 83c8e3df642f ("gpio: aggregator: expose aggregator created via legacy sysfs to configfs")
Signed-off-by: Dan Carpenter <dan.carpenter@...aro.org>
---
 drivers/gpio/gpio-aggregator.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpio/gpio-aggregator.c b/drivers/gpio/gpio-aggregator.c
index 071d76dbfcec..6f941db02c04 100644
--- a/drivers/gpio/gpio-aggregator.c
+++ b/drivers/gpio/gpio-aggregator.c
@@ -1101,7 +1101,7 @@ static int gpio_aggregator_parse(struct gpio_aggregator *aggr)
 		error = bitmap_parselist(offsets, bitmap, AGGREGATOR_MAX_GPIOS);
 		if (error) {
 			pr_err("Cannot parse %s: %d\n", offsets, error);
-			return error;
+			goto err;
 		}
 
 		for_each_set_bit(i, bitmap, AGGREGATOR_MAX_GPIOS) {
-- 
2.47.2