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Date: Mon, 27 Jun 2022 22:24:06 -0400 From: Sasha Levin <sashal@...nel.org> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org Cc: Liang He <windhl@....com>, Thomas Bogendoerfer <tsbogend@...ha.franken.de>, Sasha Levin <sashal@...nel.org>, john@...ozen.org, xkernel.wang@...mail.com, linux-mips@...r.kernel.org Subject: [PATCH AUTOSEL 5.4 20/27] mips: lantiq: xway: Fix refcount leak bug in sysctrl From: Liang He <windhl@....com> [ Upstream commit 76695592711ef1e215cc24ed3e1cd857d7fc3098 ] In ltq_soc_init(), of_find_compatible_node() will return a node pointer with refcount incremented. We should use of_node_put() when it is not used anymore. Signed-off-by: Liang He <windhl@....com> Signed-off-by: Thomas Bogendoerfer <tsbogend@...ha.franken.de> Signed-off-by: Sasha Levin <sashal@...nel.org> --- arch/mips/lantiq/xway/sysctrl.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/mips/lantiq/xway/sysctrl.c b/arch/mips/lantiq/xway/sysctrl.c index 6c2d9779ac72..c5eb7830bab1 100644 --- a/arch/mips/lantiq/xway/sysctrl.c +++ b/arch/mips/lantiq/xway/sysctrl.c @@ -437,6 +437,10 @@ void __init ltq_soc_init(void) of_address_to_resource(np_ebu, 0, &res_ebu)) panic("Failed to get core resources"); + of_node_put(np_pmu); + of_node_put(np_cgu); + of_node_put(np_ebu); + if (!request_mem_region(res_pmu.start, resource_size(&res_pmu), res_pmu.name) || !request_mem_region(res_cgu.start, resource_size(&res_cgu), -- 2.35.1
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