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dmaengine: zynqmp_dma: check dma_async_device_register return value

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Add condition to check the return value of dma_async_device_register
and implement its error handling.

Addresses-Coverity: Event check_return.
Signed-off-by: Shravya Kumbham <shravya.kumbham@xilinx.com>
Signed-off-by: Harini Katakam <harini.katakam@xilinx.com>
Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pandey@xilinx.com>
Link: https://lore.kernel.org/r/1652166762-18317-3-git-send-email-radhey.shyam.pandey@xilinx.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Shravya Kumbham 2022-05-10 12:42:41 +05:30 committed by Vinod Koul
parent f9a9f43a62
commit 9126518e04
1 changed files with 5 additions and 1 deletions
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6
drivers/dma/xilinx/zynqmp_dma.c
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@ -1094,7 +1094,11 @@ static int zynqmp_dma_probe(struct platform_device *pdev)
p->dst_addr_widths = BIT(zdev->chan->bus_width / 8);
p->src_addr_widths = BIT(zdev->chan->bus_width / 8);
dma_async_device_register(&zdev->common);
ret = dma_async_device_register(&zdev->common);
if (ret) {
dev_err(zdev->dev, "failed to register the dma device\n");
goto free_chan_resources;
}
ret = of_dma_controller_register(pdev->dev.of_node,
of_zynqmp_dma_xlate, zdev);