netdev - [PATCH net 05/15] can: grcan: grcan_probe(): remove extra of_node

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Message-Id: <20220704122613.1551119-6-mkl@pengutronix.de>
Date:   Mon,  4 Jul 2022 14:26:03 +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>,
        stable@...r.kernel.org, Andreas Larsson <andreas@...sler.com>,
        Marc Kleine-Budde <mkl@...gutronix.de>
Subject: [PATCH net 05/15] can: grcan: grcan_probe(): remove extra of_node_get()

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

In grcan_probe(), of_find_node_by_path() has already increased the
refcount. There is no need to call of_node_get() again, so remove it.

Link: https://lore.kernel.org/all/20220619070257.4067022-1-windhl@126.com
Fixes: 1e93ed26acf0 ("can: grcan: grcan_probe(): fix broken system id check for errata workaround needs")
Cc: stable@...r.kernel.org # v5.18
Cc: Andreas Larsson <andreas@...sler.com>
Signed-off-by: Liang He <windhl@....com>
Signed-off-by: Marc Kleine-Budde <mkl@...gutronix.de>
---
 drivers/net/can/grcan.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/net/can/grcan.c b/drivers/net/can/grcan.c
index 76df4807d366..4c47c1055eff 100644
--- a/drivers/net/can/grcan.c
+++ b/drivers/net/can/grcan.c
@@ -1646,7 +1646,6 @@ static int grcan_probe(struct platform_device *ofdev)
 	 */
 	sysid_parent = of_find_node_by_path("/ambapp0");
 	if (sysid_parent) {
-		of_node_get(sysid_parent);
 		err = of_property_read_u32(sysid_parent, "systemid", &sysid);
 		if (!err && ((sysid & GRLIB_VERSION_MASK) >=
 			     GRCAN_TXBUG_SAFE_GRLIB_VERSION))
-- 
2.35.1