The change to use dma_set_mask_and_coherent() incorrectly made a second call with the 32 bit DMA mask value when the call with the 64 bit DMA mask value succeeded.
Fixes: c22b332d811b ("scsi: csiostor: switch to generic DMA API") Cc: stable@vger.kernel.org Signed-off-by: Hannes Reinecke hare@suse.com --- drivers/scsi/csiostor/csio_init.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/scsi/csiostor/csio_init.c b/drivers/scsi/csiostor/csio_init.c index 460e4ee1c8fe..a6dd704d7f2d 100644 --- a/drivers/scsi/csiostor/csio_init.c +++ b/drivers/scsi/csiostor/csio_init.c @@ -206,8 +206,11 @@ csio_pci_init(struct pci_dev *pdev, int *bars) pci_set_master(pdev); pci_try_set_mwi(pdev);
- if (dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)) || - dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32))) { + 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"); goto err_release_regions; }