openwrt/target/linux/bcm27xx/patches-5.4/950-0361-pinctrl-bcm2835-Remove-gpiochip-on-error.patch

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
@@ -1315,7 +1315,7 @@ static int bcm2835_pinctrl_probe(struct
 	girq->default_type = IRQ_TYPE_NONE;
 	girq->handler = handle_level_irq;
 
-	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");
 		goto out_remove;