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)