netdev - [PATCH net 2/2] can: rcar_canfd: Add missing of_node_put() in rcar_canfd

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Message-Id: <20220720083621.3294548-3-mkl@pengutronix.de>
Date:   Wed, 20 Jul 2022 10:36:21 +0200
From:   Marc Kleine-Budde <mkl@...gutronix.de>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, kuba@...nel.org, linux-can@...r.kernel.org,
        kernel@...gutronix.de, Liang He <windhl@....com>,
        Marc Kleine-Budde <mkl@...gutronix.de>
Subject: [PATCH net 2/2] can: rcar_canfd: Add missing of_node_put() in rcar_canfd_probe()

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

We should use of_node_put() for the reference returned by
of_get_child_by_name() which has increased the refcount.

Fixes: 45721c406dcf ("can: rcar_canfd: Add support for r8a779a0 SoC")
Link: https://lore.kernel.org/all/20220712095623.364287-1-windhl@126.com
Signed-off-by: Liang He <windhl@....com>
Signed-off-by: Marc Kleine-Budde <mkl@...gutronix.de>
---
 drivers/net/can/rcar/rcar_canfd.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/can/rcar/rcar_canfd.c b/drivers/net/can/rcar/rcar_canfd.c
index ba42cef10a53..cb0321ea853c 100644
--- a/drivers/net/can/rcar/rcar_canfd.c
+++ b/drivers/net/can/rcar/rcar_canfd.c
@@ -1843,6 +1843,7 @@ static int rcar_canfd_probe(struct platform_device *pdev)
 		of_child = of_get_child_by_name(pdev->dev.of_node, name);
 		if (of_child && of_device_is_available(of_child))
 			channels_mask |= BIT(i);
+		of_node_put(of_child);
 	}
 
 	if (chip_id != RENESAS_RZG2L) {
-- 
2.35.1