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From 9eedb910a3be0005b88c696a8552c0d4c9937cd4 Mon Sep 17 00:00:00 2001
From: Qiheng Lin <linqiheng@huawei.com>
Date: Tue, 29 Nov 2022 22:05:44 +0800
Subject: [PATCH] ARM: zynq: Fix refcount leak in zynq_early_slcr_init
Git-commit: 9eedb910a3be0005b88c696a8552c0d4c9937cd4
Patch-mainline: v6.3-rc1
References: git-fixes

of_find_compatible_node() returns a node pointer with refcount incremented,
we should use of_node_put() on error path.
Add missing of_node_put() to avoid refcount leak.

Fixes: 3329659df030 ("ARM: zynq: Simplify SLCR initialization")
Signed-off-by: Qiheng Lin <linqiheng@huawei.com>
Link: https://lore.kernel.org/r/20221129140544.41293-1-linqiheng@huawei.com
Signed-off-by: Michal Simek <michal.simek@amd.com>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 arch/arm/mach-zynq/slcr.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/mach-zynq/slcr.c b/arch/arm/mach-zynq/slcr.c
index 37707614885a..9765b3f4c2fc 100644
--- a/arch/arm/mach-zynq/slcr.c
+++ b/arch/arm/mach-zynq/slcr.c
@@ -213,6 +213,7 @@ int __init zynq_early_slcr_init(void)
 	zynq_slcr_regmap = syscon_regmap_lookup_by_compatible("xlnx,zynq-slcr");
 	if (IS_ERR(zynq_slcr_regmap)) {
 		pr_err("%s: failed to find zynq-slcr\n", __func__);
+		of_node_put(np);
 		return -ENODEV;
 	}
 
-- 
2.35.3