From 179034fb108e3655142f2af0c309cef171c34d68 Mon Sep 17 00:00:00 2001 From: Miaoqian Lin Date: Sun, 5 Jun 2022 12:28:07 +0400 Subject: [PATCH] cpufreq: zynq: Fix refcount leak in zynq_get_revision [ 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 Link: https://lore.kernel.org/r/20220605082807.21526-1-linmq006@gmail.com Signed-off-by: Michal Simek Signed-off-by: Sasha Levin --- arch/arm/mach-zynq/common.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/mach-zynq/common.c b/arch/arm/mach-zynq/common.c index e1ca6a5..15e8a32 100644 --- a/arch/arm/mach-zynq/common.c +++ b/arch/arm/mach-zynq/common.c @@ -77,6 +77,7 @@ 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; -- 2.7.4