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cpufreq: zynq: Fix refcount leak in zynq_get_revision
author
Miaoqian Lin
<linmq006@gmail.com>
Sun, 5 Jun 2022 08:28:07 +0000
(12:28 +0400)
committer
Greg Kroah-Hartman
<gregkh@linuxfoundation.org>
Thu, 25 Aug 2022 09:11:15 +0000
(11:11 +0200)
[ Upstream commit
d1ff2559cef0f6f8d97fba6337b28adb10689e16
]
of_find_compatible_node() returns a node pointer with refcount
incremented, we should use of_node_put() on it when done.
Add missing of_node_put() to avoid refcount leak.
Fixes:
00f7dc636366
("ARM: zynq: Add support for SOC_BUS")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Link:
https://lore.kernel.org/r/20220605082807.21526-1-linmq006@gmail.com
Signed-off-by: Michal Simek <michal.simek@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
arch/arm/mach-zynq/common.c
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diff --git
a/arch/arm/mach-zynq/common.c
b/arch/arm/mach-zynq/common.c
index 6aba9ebf80411d7f595ebce446c83856189d7283..a8b1b9c6626eee34ab254008d88eabdb4e5934c9 100644
(file)
--- a/
arch/arm/mach-zynq/common.c
+++ b/
arch/arm/mach-zynq/common.c
@@
-84,6
+84,7
@@
static int __init zynq_get_revision(void)
}
zynq_devcfg_base = of_iomap(np, 0);
+ of_node_put(np);
if (!zynq_devcfg_base) {
pr_err("%s: Unable to map I/O memory\n", __func__);
return -1;