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| author | Jiasheng Jiang <jiasheng@iscas.ac.cn> | 2021-12-03 11:31:06 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-12-03 14:18:53 +0000 |
| commit | 128f6ec95a282b2d8bc1041e59bf65810703fa44 (patch) | |
| tree | 8930fa9c39420a05737561f5daec7cda118327d3 /drivers/net/ethernet/broadcom/bcm4908_enet.c | |
| parent | 0f8a3b48f91b8dc1f3eff06b77a63a17183fccbd (diff) | |
| download | linux-128f6ec95a282b2d8bc1041e59bf65810703fa44.tar.gz | |
net: bcm4908: Handle dma_set_coherent_mask error codes
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: 9d61d138ab30 ("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>
Diffstat (limited to 'drivers/net/ethernet/broadcom/bcm4908_enet.c')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bcm4908_enet.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/ethernet/broadcom/bcm4908_enet.c b/drivers/net/ethernet/broadcom/bcm4908_enet.c index 7cc5213c575a..b07cb9bc5f2d 100644 --- a/drivers/net/ethernet/broadcom/bcm4908_enet.c +++ b/drivers/net/ethernet/broadcom/bcm4908_enet.c @@ -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) |