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| author | Miaoqian Lin <linmq006@gmail.com> | 2023-01-02 11:24:56 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-03-11 18:43:44 +0300 |
| commit | 95ab6d7905ebb52dc2ed6357c38e536753824068 (patch) | |
| tree | 53486318e69005c6964ac0d330d285de3102d4cd /drivers | |
| parent | fc34608fa275fe6b3b17e171b63b8ca3aa1cbf09 (diff) | |
| download | linux-95ab6d7905ebb52dc2ed6357c38e536753824068.tar.xz | |
pinctrl: stm32: Fix refcount leak in stm32_pctrl_get_irq_domain
[ Upstream commit dcef18c8ac40aa85bb339f64c1dd31dd458b06fb ]
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: d86f4d71e42a ("pinctrl: stm32: check irq controller availability at probe")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Link: https://lore.kernel.org/r/20230102082503.3944927-1-linmq006@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/pinctrl/stm32/pinctrl-stm32.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/pinctrl/stm32/pinctrl-stm32.c b/drivers/pinctrl/stm32/pinctrl-stm32.c index e8149ff1d401..10595b43360b 100644 --- a/drivers/pinctrl/stm32/pinctrl-stm32.c +++ b/drivers/pinctrl/stm32/pinctrl-stm32.c @@ -1250,6 +1250,7 @@ static struct irq_domain *stm32_pctrl_get_irq_domain(struct device_node *np) return ERR_PTR(-ENXIO); domain = irq_find_host(parent); + of_node_put(parent); if (!domain) /* domain not registered yet */ return ERR_PTR(-EPROBE_DEFER); |