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ARM: meson: Fix refcount leak in meson_smp_prepare_cpus

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[ Upstream commit 34d2cd3fcc ]

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: d850f3e5d2 ("ARM: meson: Add SMP bringup code for Meson8 and Meson8b")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://lore.kernel.org/r/20220512021611.47921-1-linmq006@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Miaoqian Lin 2022-05-12 06:16:10 +04:00 • committed by Justin Hammond
parent ef00c52fc2
commit 4f2244fce3
1 changed files with 2 additions and 0 deletions
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2
arch/arm/mach-meson/platsmp.c
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@ -71,6 +71,7 @@ static void __init meson_smp_prepare_cpus(const char *scu_compatible,
}
sram_base = of_iomap(node, 0);
of_node_put(node);
if (!sram_base) {
pr_err("Couldn't map SRAM registers\n");
return;
@ -91,6 +92,7 @@ static void __init meson_smp_prepare_cpus(const char *scu_compatible,
}
scu_base = of_iomap(node, 0);
of_node_put(node);
if (!scu_base) {
pr_err("Couldn't map SCU registers\n");
return;