From: Minghao Chi <chi.minghao@xxxxxxxxxx> As stated in [1], dma_set_mask() with a 64-bit mask will never fail 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://lkml.org/lkml/2021/6/7/398 Reported-by: Zeal Robot <zealci@xxxxxxxxxx> Signed-off-by: Minghao Chi <chi.minghao@xxxxxxxxxx> --- drivers/infiniband/hw/hfi1/pcie.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/infiniband/hw/hfi1/pcie.c b/drivers/infiniband/hw/hfi1/pcie.c index a0802332c8cb..b8394cd358a9 100644 --- a/drivers/infiniband/hw/hfi1/pcie.c +++ b/drivers/infiniband/hw/hfi1/pcie.c @@ -57,11 +57,8 @@ int hfi1_pcie_init(struct hfi1_devdata *dd) * do not setup 64 bit maps on systems with 2GB or less * memory installed. */ - ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); - if (ret) { dd_dev_err(dd, "Unable to set DMA mask: %d\n", ret); goto bail; - } } pci_set_master(pdev); -- 2.25.1