can: rcar_canfd: Add missing of_node_put() in rcar_canfd_probe()

We should use of_node_put() for the reference returned by
of_get_child_by_name() which has increased the refcount.

Fixes: a776f6c590c5 ("can: rcar_canfd: Add support for r8a779a0 SoC")
Link: https://lore.kernel.org/all/20220712095623.364287-1-windhl@126.com
Signed-off-by: Liang He <windhl@126.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

diff --git a/drivers/net/can/rcar/rcar_canfd.c b/drivers/net/can/rcar/rcar_canfd.c
index ba42cef10a532df6fe0c4ecf85384d257f9c1c8d..cb0321ea853c107913499e0c547d9d15768d699d 100644 (file)
--- a/drivers/net/can/rcar/rcar_canfd.c
+++ b/drivers/net/can/rcar/rcar_canfd.c
@@ -1843,6 +1843,7 @@ static int rcar_canfd_probe(struct platform_device *pdev)
                of_child = of_get_child_by_name(pdev->dev.of_node, name);
                if (of_child && of_device_is_available(of_child))
                        channels_mask |= BIT(i);
+               of_node_put(of_child);
        }
 
        if (chip_id != RENESAS_RZG2L) {