linux-kernel - [PATCH] can: Remove extra of_node

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Message-Id: <20220619070257.4067022-1-windhl@126.com>
Date:   Sun, 19 Jun 2022 15:02:57 +0800
From:   Liang He <windhl@....com>
To:     wg@...ndegger.com, mkl@...gutronix.de, davem@...emloft.net,
        edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com
Cc:     windhl@....com, linux-can@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] can: Remove extra of_node_get in grcan

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

Fixes: 1e93ed26acf0 (can: grcan: grcan_probe(): fix broken system id check for errata workaround needs)

Signed-off-by: Liang He <windhl@....com>
---
 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))
-- 
2.25.1