This is a note to let you know that I've just added the patch titled
mips: lantiq: falcon: Fix refcount leak bug in sysctrl
to the 4.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
mips-lantiq-falcon-fix-refcount-leak-bug-in-sysctrl.patch
and it can be found in the queue-4.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 08a37afa007c6a1b844d3f214c0bfdaead5c3c8a
Author: Liang He <windhl@xxxxxxx>
Date: Fri Jun 17 20:19:58 2022 +0800
mips: lantiq: falcon: Fix refcount leak bug in sysctrl
[ 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@xxxxxxx>
Signed-off-by: Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/arch/mips/lantiq/falcon/sysctrl.c b/arch/mips/lantiq/falcon/sysctrl.c
index 714d92659489..665739bd4190 100644
--- a/arch/mips/lantiq/falcon/sysctrl.c
+++ b/arch/mips/lantiq/falcon/sysctrl.c
@@ -210,6 +210,12 @@ 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),
