From: Swati Agarwal swati.agarwal@xilinx.com
[ Upstream commit 91df7751eb890e970afc08f50b8f0fa5ea39e03d ]
Add missing cleanup in devm_platform_ioremap_resource(). When probe fails remove dma channel resources and disable clocks in accordance with the order of resources allocated .
Signed-off-by: Swati Agarwal swati.agarwal@xilinx.com Link: https://lore.kernel.org/r/20220817061125.4720-2-swati.agarwal@xilinx.com Signed-off-by: Vinod Koul vkoul@kernel.org Stable-dep-of: 596b53ccc36a ("dmaengine: xilinx_dma: call of_node_put() when breaking out of for_each_child_of_node()") Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/dma/xilinx/xilinx_dma.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/drivers/dma/xilinx/xilinx_dma.c b/drivers/dma/xilinx/xilinx_dma.c index 8a7606bc326a..7b60248be725 100644 --- a/drivers/dma/xilinx/xilinx_dma.c +++ b/drivers/dma/xilinx/xilinx_dma.c @@ -2652,9 +2652,10 @@ static int xilinx_dma_probe(struct platform_device *pdev)
/* Request and map I/O memory */ xdev->regs = devm_platform_ioremap_resource(pdev, 0); - if (IS_ERR(xdev->regs)) - return PTR_ERR(xdev->regs); - + if (IS_ERR(xdev->regs)) { + err = PTR_ERR(xdev->regs); + goto disable_clks; + } /* Retrieve the DMA engine properties from the device tree */ xdev->max_buffer_len = GENMASK(XILINX_DMA_MAX_TRANS_LEN_MAX - 1, 0);
@@ -2747,7 +2748,7 @@ static int xilinx_dma_probe(struct platform_device *pdev) for_each_child_of_node(node, child) { err = xilinx_dma_child_probe(xdev, child); if (err < 0) - goto disable_clks; + goto error; }
if (xdev->dma_config->dmatype == XDMA_TYPE_VDMA) { @@ -2780,12 +2781,12 @@ static int xilinx_dma_probe(struct platform_device *pdev)
return 0;
-disable_clks: - xdma_disable_allclks(xdev); error: for (i = 0; i < xdev->nr_channels; i++) if (xdev->chan[i]) xilinx_dma_chan_remove(xdev->chan[i]); +disable_clks: + xdma_disable_allclks(xdev);
return err; }