brcm2708: update to latest patches from RPi foundation

[openwrt/staging/chunkeey.git] / target / linux / brcm2708 / patches-4.19 / 950-0783-pinctrl-bcm2835-Remove-gpiochip-on-error.patch

diff --git a/target/linux/brcm2708/patches-4.19/950-0783-pinctrl-bcm2835-Remove-gpiochip-on-error.patch b/target/linux/brcm2708/patches-4.19/950-0783-pinctrl-bcm2835-Remove-gpiochip-on-error.patch
new file mode 100644 (file)
index 0000000..d976e37
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.19/950-0783-pinctrl-bcm2835-Remove-gpiochip-on-error.patch
@@ -0,0 +1,25 @@
+From e1bbcb1097b9d968ae61397a66a73a440a0ce705 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
+@@ -1140,7 +1140,7 @@ 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;