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Commit a530fa52 authored by Miaoqian Lin's avatar Miaoqian Lin Committed by Greg Kroah-Hartman
Browse files

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: 00f7dc63 ("ARM: zynq: Add support for SOC_BUS")
Signed-off-by: default avatarMiaoqian Lin <linmq006@gmail.com>
Link: https://lore.kernel.org/r/20220605082807.21526-1-linmq006@gmail.com


Signed-off-by: default avatarMichal Simek <michal.simek@amd.com>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent c4f92af7

arch/arm/mach-zynq/common.c

+1 −0
Original line number Diff line number Diff line
@@ -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;