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From dea6dd2ba63f8c8532addb8f32daf7b89a368a42 Mon Sep 17 00:00:00 2001
From: Pan Bian <bianpan2016@163.com>
Date: Wed, 20 Jan 2021 19:27:56 -0800
Subject: [PATCH] regulator: s5m8767: Fix reference count leak
Git-commit: dea6dd2ba63f8c8532addb8f32daf7b89a368a42
Patch-mainline: v5.12-rc1
References: git-fixes

Call of_node_put() to drop references of regulators_np and reg_np before
returning error code.

Fixes: 9ae5cc75ceaa ("regulator: s5m8767: Pass descriptor instead of GPIO number")
Signed-off-by: Pan Bian <bianpan2016@163.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20210121032756.49501-1-bianpan2016@163.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 drivers/regulator/s5m8767.c |    7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

--- a/drivers/regulator/s5m8767.c
+++ b/drivers/regulator/s5m8767.c
@@ -574,10 +574,13 @@ static int s5m8767_pmic_dt_parse_pdata(s
 			0,
 			GPIOD_OUT_HIGH | GPIOD_FLAGS_BIT_NONEXCLUSIVE,
 			"s5m8767");
-		if (PTR_ERR(rdata->ext_control_gpiod) == -ENOENT)
+		if (PTR_ERR(rdata->ext_control_gpiod) == -ENOENT) {
 			rdata->ext_control_gpiod = NULL;
-		else if (IS_ERR(rdata->ext_control_gpiod))
+		} else if (IS_ERR(rdata->ext_control_gpiod)) {
+			of_node_put(reg_np);
+			of_node_put(regulators_np);
 			return PTR_ERR(rdata->ext_control_gpiod);
+		}
 
 		rdata->id = i;
 		rdata->initdata = of_get_regulator_init_data(