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| author | Shravya Kumbham <shravya.kumbham@xilinx.com> | 2022-05-10 10:12:41 +0300 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2022-05-16 15:51:47 +0300 |
| commit | 9126518e0439bc4b47b15d0da42f0cdba7a74b3a (patch) | |
| tree | 34d601bd9c6a3c4d4f9367af900ce4cb11ec6e27 | |
| parent | f9a9f43a62a04ec3183fb0da9226c7706eed0115 (diff) | |
| download | linux-9126518e0439bc4b47b15d0da42f0cdba7a74b3a.tar.xz | |
dmaengine: zynqmp_dma: check dma_async_device_register return value
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>
| -rw-r--r-- | drivers/dma/xilinx/zynqmp_dma.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/dma/xilinx/zynqmp_dma.c b/drivers/dma/xilinx/zynqmp_dma.c index 3ffa7f37c701..915dbe6275d4 100644 --- a/drivers/dma/xilinx/zynqmp_dma.c +++ b/drivers/dma/xilinx/zynqmp_dma.c @@ -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); |