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 4.19-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-4.19 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 05f6e5d237e351cda5c19b9051f0c9040f3819e7
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 6aba9ebf8041..a8b1b9c6626e 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;
