Openwrt/target/linux/bcm27xx/patches-5.4/950-0361-pinctrl-bcm2835-Remove-gpiochip-on-error.patch
Álvaro Fernández Rojas f07e572f64 bcm27xx: import latest patches from the RPi foundation
bcm2708: boot tested on RPi B+ v1.2
bcm2709: boot tested on RPi 3B v1.2 and RPi 4B v1.1 4G
bcm2710: boot tested on RPi 3B v1.2
bcm2711: boot tested on RPi 4B v1.1 4G

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2021-02-18 23:42:32 +01:00

26 lines
920 B
Diff

From 0cddfafa817a776063ba6f00fb439d9a415235f9 Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.org>
Date: Mon, 6 Jan 2020 16:04:30 +0000
Subject: [PATCH] pinctrl: bcm2835: Remove gpiochip on error
A failure in gpiochip_irqchip_add leads to a leak of a gpiochip. Fix
the leak with the use of devm_gpiochip_add_data.
Fixes: 85ae9e512f43 ("pinctrl: bcm2835: switch to GPIOLIB_IRQCHIP")
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
---
drivers/pinctrl/bcm/pinctrl-bcm2835.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/pinctrl/bcm/pinctrl-bcm2835.c
+++ b/drivers/pinctrl/bcm/pinctrl-bcm2835.c
@@ -1135,7 +1135,7 @@ static int bcm2835_pinctrl_probe(struct
raw_spin_lock_init(&pc->irq_lock[i]);
}
- err = gpiochip_add_data(&pc->gpio_chip, pc);
+ err = devm_gpiochip_add_data(dev, &pc->gpio_chip, pc);
if (err) {
dev_err(dev, "could not add GPIO chip\n");
return err;