linux-kernel - [PATCH] mfd: take OF node reference for MFD cell platform device

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Date:   Sat, 17 Sep 2022 11:41:32 +0200
From:   Sebastian Urban <surban@...ban.net>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Sebastian Urban <surban@...ban.net>, Lee Jones <lee@...nel.org>,
        linux-kernel@...r.kernel.org
Subject: [PATCH] mfd: take OF node reference for MFD cell platform device

Properly increase OF node reference count when assigning it to a
platform device created for an MFD cell.

Signed-off-by: Sebastian Urban <surban@...ban.net>
---
 drivers/mfd/mfd-core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c
index 16d1861e9682..8e57f67719cf 100644
--- a/drivers/mfd/mfd-core.c
+++ b/drivers/mfd/mfd-core.c
@@ -161,7 +161,7 @@ static int mfd_match_of_node_to_dev(struct platform_device *pdev,
 	of_entry->np = np;
 	list_add_tail(&of_entry->list, &mfd_of_node_list);
 
-	pdev->dev.of_node = np;
+	pdev->dev.of_node = of_node_get(np);
 	pdev->dev.fwnode = &np->fwnode;
 #endif
 	return 0;
-- 
2.34.1