From: Liu Shixin liushixin2@huawei.com
[ Upstream commit 596b53ccc36a546ab28e8897315c5b4d1d5a0200 ]
Since for_each_child_of_node() will increase the refcount of node, we need to call of_node_put() manually when breaking out of the iteration.
Fixes: 9cd4360de609 ("dma: Add Xilinx AXI Video Direct Memory Access Engine driver support") Signed-off-by: Liu Shixin liushixin2@huawei.com Acked-by: Peter Korsgaard peter@korsgaard.com Link: https://lore.kernel.org/r/20221122021612.1908866-1-liushixin2@huawei.com Signed-off-by: Vinod Koul vkoul@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/dma/xilinx/xilinx_dma.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/dma/xilinx/xilinx_dma.c b/drivers/dma/xilinx/xilinx_dma.c index 7b60248be725..be44c86a1e03 100644 --- a/drivers/dma/xilinx/xilinx_dma.c +++ b/drivers/dma/xilinx/xilinx_dma.c @@ -2747,8 +2747,10 @@ static int xilinx_dma_probe(struct platform_device *pdev) /* Initialize the channels */ for_each_child_of_node(node, child) { err = xilinx_dma_child_probe(xdev, child); - if (err < 0) + if (err < 0) { + of_node_put(child); goto error; + } }
if (xdev->dma_config->dmatype == XDMA_TYPE_VDMA) {