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Subject[PATCH AUTOSEL 5.10 24/34] mips: lantiq: falcon: Fix refcount leak bug in sysctrl
Date
From: Liang He <windhl@126.com>

[ Upstream commit 72a2af539fff975caadd9a4db3f99963569bd9c9 ]

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@126.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
arch/mips/lantiq/falcon/sysctrl.c | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/arch/mips/lantiq/falcon/sysctrl.c b/arch/mips/lantiq/falcon/sysctrl.c
index 446a2536999b..f444d396bb11 100644
--- a/arch/mips/lantiq/falcon/sysctrl.c
+++ b/arch/mips/lantiq/falcon/sysctrl.c
@@ -208,6 +208,12 @@ void __init ltq_soc_init(void)
of_address_to_resource(np_sysgpe, 0, &res_sys[2]))
panic("Failed to get core resources");

+ of_node_put(np_status);
+ of_node_put(np_ebu);
+ of_node_put(np_sys1);
+ of_node_put(np_syseth);
+ of_node_put(np_sysgpe);
+
if ((request_mem_region(res_status.start, resource_size(&res_status),
res_status.name) < 0) ||
(request_mem_region(res_ebu.start, resource_size(&res_ebu),
--
2.35.1
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