4.19-stable review patch. If anyone has any objections, please let me know.
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From: Krzysztof Kozlowski krzysztof.kozlowski@linaro.org
[ Upstream commit f2642d97f2105ed17b2ece0c597450f2ff95d704 ]
Machine code is leaking OF node reference from of_find_matching_node() in realview_smp_prepare_cpus().
Fixes: 5420b4b15617 ("ARM: realview: add an DT SMP boot method") Signed-off-by: Krzysztof Kozlowski krzysztof.kozlowski@linaro.org Acked-by: Liviu Dudau liviu.dudau@arm.com Link: https://lore.kernel.org/20240826054934.10724-1-krzysztof.kozlowski@linaro.or... Signed-off-by: Linus Walleij linus.walleij@linaro.org Signed-off-by: Sasha Levin sashal@kernel.org --- arch/arm/mach-realview/platsmp-dt.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/arch/arm/mach-realview/platsmp-dt.c b/arch/arm/mach-realview/platsmp-dt.c index c242423bf8db5..66d6b11eda7bd 100644 --- a/arch/arm/mach-realview/platsmp-dt.c +++ b/arch/arm/mach-realview/platsmp-dt.c @@ -70,6 +70,7 @@ static void __init realview_smp_prepare_cpus(unsigned int max_cpus) return; } map = syscon_node_to_regmap(np); + of_node_put(np); if (IS_ERR(map)) { pr_err("PLATSMP: No syscon regmap\n"); return;