| From | Sasha Levin <> | Subject | [PATCH AUTOSEL 4.19 078/219] gpio: raspberrypi-exp: decrease refcount on firmware dt node | Date | Fri, 22 Nov 2019 00:46:50 -0500 |
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From: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
[ Upstream commit 85af74c474b21940e88483fd48f6094145c89d97 ]
We're getting a reference RPi's firmware node in order to be able to communicate with it's driver. We should decrease the reference count on the dt node after being done with it.
Fixes: a98d90e7d588 ("gpio: raspberrypi-exp: Driver for RPi3 GPIO expander via mailbox service") Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/gpio/gpio-raspberrypi-exp.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/gpio/gpio-raspberrypi-exp.c b/drivers/gpio/gpio-raspberrypi-exp.c index d6d36d537e373..b77ea16ffa031 100644 --- a/drivers/gpio/gpio-raspberrypi-exp.c +++ b/drivers/gpio/gpio-raspberrypi-exp.c @@ -206,6 +206,7 @@ static int rpi_exp_gpio_probe(struct platform_device *pdev) } fw = rpi_firmware_get(fw_node); + of_node_put(fw_node); if (!fw) return -EPROBE_DEFER; -- 2.20.1
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