From: ZhangPeng zhangpeng362@huawei.com
[ Upstream commit 5ead93289815a075d43c415e35c8beafafb801c9 ]
of_node_put() needs to be called when jumping out of the loop, since for_each_available_child_of_node() will increase the refcount of node.
Fixes: c7289500e29d ("pinctrl: pinconf-generic: scan also referenced phandle node") Signed-off-by: ZhangPeng zhangpeng362@huawei.com Link: https://lore.kernel.org/r/20221125070156.3535855-1-zhangpeng362@huawei.com Signed-off-by: Linus Walleij linus.walleij@linaro.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/pinctrl/pinconf-generic.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/pinctrl/pinconf-generic.c b/drivers/pinctrl/pinconf-generic.c index 074a7e044e25..b0e41fb3623d 100644 --- a/drivers/pinctrl/pinconf-generic.c +++ b/drivers/pinctrl/pinconf-generic.c @@ -384,8 +384,10 @@ int pinconf_generic_dt_node_to_map(struct pinctrl_dev *pctldev, for_each_child_of_node(np_config, np) { ret = pinconf_generic_dt_subnode_to_map(pctldev, np, map, &reserved_maps, num_maps, type); - if (ret < 0) + if (ret < 0) { + of_node_put(np); goto exit; + } } return 0;