[PATCH 5.10 702/717] memory: renesas-rpc-if: Fix a node reference leak in rpcif_probe()

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From: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>

commit 4e6b86b409f9fc63fedb39d6e3a0202c4b0244ce upstream.

Release the node reference by calling of_node_put(flash) in the probe.

Fixes: ca7d8b980b67f ("memory: add Renesas RPC-IF driver")
Reported-by: Pavel Machek <pavel@xxxxxxx>
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
Reviewed-by: Sergei Shtylyov <sergei.shtylyov@xxxxxxxxx>
Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
Reviewed-by: Pavel Machek (CIP) <pavel@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Link: https://lore.kernel.org/r/20201126191146.8753-4-prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx
Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 drivers/memory/renesas-rpc-if.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/memory/renesas-rpc-if.c
+++ b/drivers/memory/renesas-rpc-if.c
@@ -560,9 +560,11 @@ static int rpcif_probe(struct platform_d
 	} else if (of_device_is_compatible(flash, "cfi-flash")) {
 		name = "rpc-if-hyperflash";
 	} else	{
+		of_node_put(flash);
 		dev_warn(&pdev->dev, "unknown flash type\n");
 		return -ENODEV;
 	}
+	of_node_put(flash);
 
 	vdev = platform_device_alloc(name, pdev->id);
 	if (!vdev)





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