From: Miaoqian Lin <linmq006@xxxxxxxxx> commit c132fe78ad7b4ce8b5d49a501a15c29d08eeb23a upstream. of_parse_phandle() returns a node pointer with refcount incremented, we should use of_node_put() on it when not needed anymore. Add missing of_node_put() in to fix this. Fixes: ec9bfa1e1a79 ("dmaengine: ti-dma-crossbar: dra7: Use bitops instead of idr") Signed-off-by: Miaoqian Lin <linmq006@xxxxxxxxx> Link: https://lore.kernel.org/r/20220605042723.17668-2-linmq006@xxxxxxxxx Signed-off-by: Vinod Koul <vkoul@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/dma/ti/dma-crossbar.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/dma/ti/dma-crossbar.c +++ b/drivers/dma/ti/dma-crossbar.c @@ -268,6 +268,7 @@ static void *ti_dra7_xbar_route_allocate mutex_unlock(&xbar->mutex); dev_err(&pdev->dev, "Run out of free DMA requests\n"); kfree(map); + of_node_put(dma_spec->np); return ERR_PTR(-ENOMEM); } set_bit(map->xbar_out, xbar->dma_inuse);