linux-kernel - [PATCH 5.10 25/65] net: sungem_phy: Add of_node_put() for reference returned by of_get

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Message-Id: <20220801114134.753601925@linuxfoundation.org>
Date:   Mon,  1 Aug 2022 13:46:42 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Liang He <windhl@....com>,
        Jakub Kicinski <kuba@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.10 25/65] net: sungem_phy: Add of_node_put() for reference returned by of_get_parent()

From: Liang He <windhl@....com>

[ Upstream commit ebbbe23fdf6070e31509638df3321688358cc211 ]

In bcm5421_init(), we should call of_node_put() for the reference
returned by of_get_parent() which has increased the refcount.

Fixes: 3c326fe9cb7a ("[PATCH] ppc64: Add new PHY to sungem")
Signed-off-by: Liang He <windhl@....com>
Link: https://lore.kernel.org/r/20220720131003.1287426-1-windhl@126.com
Signed-off-by: Jakub Kicinski <kuba@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/sungem_phy.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/sungem_phy.c b/drivers/net/sungem_phy.c
index 291fa449993f..45f295403cb5 100644
--- a/drivers/net/sungem_phy.c
+++ b/drivers/net/sungem_phy.c
@@ -454,6 +454,7 @@ static int bcm5421_init(struct mii_phy* phy)
 		int can_low_power = 1;
 		if (np == NULL || of_get_property(np, "no-autolowpower", NULL))
 			can_low_power = 0;
+		of_node_put(np);
 		if (can_low_power) {
 			/* Enable automatic low-power */
 			sungem_phy_write(phy, 0x1c, 0x9002);
-- 
2.35.1