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net: bcm4908: Handle dma_set_coherent_mask error codes

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The return value of dma_set_coherent_mask() is not always 0.
To catch the exception in case that dma is not support the mask.

Fixes: 9d61d138ab ("net: broadcom: rename BCM4908 driver & update DT binding")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiasheng Jiang 2021-12-03 11:31:06 +08:00 committed by David S. Miller
parent 0f8a3b48f9
commit 128f6ec95a
1 changed files with 3 additions and 1 deletions
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4
drivers/net/ethernet/broadcom/bcm4908_enet.c
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@ -708,7 +708,9 @@ static int bcm4908_enet_probe(struct platform_device *pdev)
enet->irq_tx = platform_get_irq_byname(pdev, "tx");
dma_set_coherent_mask(dev, DMA_BIT_MASK(32));
err = dma_set_coherent_mask(dev, DMA_BIT_MASK(32));
if (err)
return err;
err = bcm4908_enet_dma_alloc(enet);
if (err)