From: Minghao Chi <chi.minghao@xxxxxxxxxx> As stated in [1], dma_set_mask() with a 64-bit mask never fails if dev->dma_mask is non-NULL. So, if it fails, the 32 bits case will also fail for the same reason. Simplify code and remove some dead code accordingly. [1]: https://lore.kernel.org/linux-kernel/YL3vSPK5DXTNvgdx@xxxxxxxxxxxxx/#t Reported-by: Zeal Robot <zealci@xxxxxxxxxx> Signed-off-by: Minghao Chi <chi.minghao@xxxxxxxxxx> --- drivers/scsi/csiostor/csio_init.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/scsi/csiostor/csio_init.c b/drivers/scsi/csiostor/csio_init.c index ccbded3353bd..d44cd6da8cb4 100644 --- a/drivers/scsi/csiostor/csio_init.c +++ b/drivers/scsi/csiostor/csio_init.c @@ -204,8 +204,6 @@ csio_pci_init(struct pci_dev *pdev, int *bars) pci_try_set_mwi(pdev); rv = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); - if (rv) - rv = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); if (rv) { rv = -ENODEV; dev_err(&pdev->dev, "No suitable DMA available.\n"); -- 2.25.1