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Date: Tue, 23 Aug 2022 09:59:54 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Miaoqian Lin <linmq006@...il.com>, Linus Walleij <linus.walleij@...aro.org> Subject: [PATCH 5.19 093/365] pinctrl: nomadik: Fix refcount leak in nmk_pinctrl_dt_subnode_to_map From: Miaoqian Lin <linmq006@...il.com> commit 4b32e054335ea0ce50967f63a7bfd4db058b14b9 upstream. of_parse_phandle() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. Add missing of_node_put() to avoid refcount leak." Fixes: c2f6d059abfc ("pinctrl: nomadik: refactor DT parser to take two paths") Signed-off-by: Miaoqian Lin <linmq006@...il.com> Link: https://lore.kernel.org/r/20220607111602.57355-1-linmq006@gmail.com Signed-off-by: Linus Walleij <linus.walleij@...aro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- drivers/pinctrl/nomadik/pinctrl-nomadik.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) --- a/drivers/pinctrl/nomadik/pinctrl-nomadik.c +++ b/drivers/pinctrl/nomadik/pinctrl-nomadik.c @@ -1421,8 +1421,10 @@ static int nmk_pinctrl_dt_subnode_to_map has_config = nmk_pinctrl_dt_get_config(np, &configs); np_config = of_parse_phandle(np, "ste,config", 0); - if (np_config) + if (np_config) { has_config |= nmk_pinctrl_dt_get_config(np_config, &configs); + of_node_put(np_config); + } if (has_config) { const char *gpio_name; const char *pin;
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