During the process of driver probing, the probe function should return < 0 for failure, otherwise, the kernel will treat value >= 0 as success. Signed-off-by: Zheyu Ma <zheyuma97@xxxxxxxxx> --- drivers/scsi/wd719x.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/wd719x.c b/drivers/scsi/wd719x.c index 1a7947554581..2b24ef387d57 100644 --- a/drivers/scsi/wd719x.c +++ b/drivers/scsi/wd719x.c @@ -904,7 +904,8 @@ static int wd719x_pci_probe(struct pci_dev *pdev, const struct pci_device_id *d) if (err) goto fail; - if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32))) { + err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)); + if (err) { dev_warn(&pdev->dev, "Unable to set 32-bit DMA mask\n"); goto disable_device; } -- 2.25.1