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authorMiaoqian Lin <linmq006@gmail.com>2023-01-02 12:20:39 +0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-01-14 10:16:47 +0100
commitf4a2ad1002006548e235255c65a4f1d07312be9d (patch)
tree0a30b056d328805387435d5f5e7a74870c1a1f4c /drivers/gpio
parent7ec369e215bfeb08cb58150cc0d527fbc81d4d38 (diff)
gpio: sifive: Fix refcount leak in sifive_gpio_probe
[ Upstream commit 694175cd8a1643cde3acb45c9294bca44a8e08e9 ] of_irq_find_parent() returns a node pointer with refcount incremented, We should use of_node_put() on it when not needed anymore. Add missing of_node_put() to avoid refcount leak. Fixes: 96868dce644d ("gpio/sifive: Add GPIO driver for SiFive SoCs") Signed-off-by: Miaoqian Lin <linmq006@gmail.com> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/gpio')
-rw-r--r--drivers/gpio/gpio-sifive.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpio/gpio-sifive.c b/drivers/gpio/gpio-sifive.c
index 4f28fa73450c..a42ffb9f3057 100644
--- a/drivers/gpio/gpio-sifive.c
+++ b/drivers/gpio/gpio-sifive.c
@@ -195,6 +195,7 @@ static int sifive_gpio_probe(struct platform_device *pdev)
return -ENODEV;
}
parent = irq_find_host(irq_parent);
+ of_node_put(irq_parent);
if (!parent) {
dev_err(dev, "no IRQ parent domain\n");
return -ENODEV;