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| author | Miaoqian Lin <linmq006@gmail.com> | 2022-05-23 18:55:13 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-06-29 08:59:54 +0200 |
| commit | 68f28d52e6cbab8dcfa249cac4356d1d0573e868 (patch) | |
| tree | dc7e4ba2ab95ce6b6e74c520c985a2b8679de2b6 | |
| parent | 59fdf108144c046e39e8ecb0dade7426fde772a6 (diff) | |
ARM: exynos: Fix refcount leak in exynos_map_pmu
commit c4c79525042a4a7df96b73477feaf232fe44ae81 upstream.
of_find_matching_node() returns a node pointer with refcount
incremented, we should use of_node_put() on it when not need anymore.
Add missing of_node_put() to avoid refcount leak.
of_node_put() checks null pointer.
Fixes: fce9e5bb2526 ("ARM: EXYNOS: Add support for mapping PMU base address via DT")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Link: https://lore.kernel.org/r/20220523145513.12341-1-linmq006@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | arch/arm/mach-exynos/exynos.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm/mach-exynos/exynos.c b/arch/arm/mach-exynos/exynos.c index 83d1d1327f96..1276585f72c5 100644 --- a/arch/arm/mach-exynos/exynos.c +++ b/arch/arm/mach-exynos/exynos.c @@ -149,6 +149,7 @@ static void exynos_map_pmu(void) np = of_find_matching_node(NULL, exynos_dt_pmu_match); if (np) pmu_base_addr = of_iomap(np, 0); + of_node_put(np); } static void __init exynos_init_irq(void) |