This is a note to let you know that I've just added the patch titled cpufreq: zynq: Fix refcount leak in zynq_get_revision to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: cpufreq-zynq-fix-refcount-leak-in-zynq_get_revision.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 9f4b34a1fe29ee6587ee45508fd9fc11dfd42ec2 Author: Miaoqian Lin <linmq006@xxxxxxxxx> Date: Sun Jun 5 12:28:07 2022 +0400 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 <linmq006@xxxxxxxxx> Link: https://lore.kernel.org/r/20220605082807.21526-1-linmq006@xxxxxxxxx Signed-off-by: Michal Simek <michal.simek@xxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/arch/arm/mach-zynq/common.c b/arch/arm/mach-zynq/common.c index ed118648313f..a9773e26a404 100644 --- 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;