diff options
| author | Hannes Reinecke <hare@suse.de> | 2019-02-18 08:34:24 +0100 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2019-02-25 21:44:40 -0500 |
| commit | 732f3238dcf27acb92959a99b7923dc49395980e (patch) | |
| tree | 3040f1f64d916490074233b65c5817e419536bb4 /drivers/scsi/csiostor/csio_init.c | |
| parent | 11ea3824140ca994f4560c4bec6a32d257ef3e83 (diff) | |
| download | blackbird-obmc-linux-732f3238dcf27acb92959a99b7923dc49395980e.tar.gz blackbird-obmc-linux-732f3238dcf27acb92959a99b7923dc49395980e.zip | |
scsi: csiostor: fix calls to dma_set_mask_and_coherent()
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>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Ewan D. Milne <emilne@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/csiostor/csio_init.c')
| -rw-r--r-- | drivers/scsi/csiostor/csio_init.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/scsi/csiostor/csio_init.c b/drivers/scsi/csiostor/csio_init.c index cf629380a981..616b25bf7941 100644 --- a/drivers/scsi/csiostor/csio_init.c +++ b/drivers/scsi/csiostor/csio_init.c @@ -210,8 +210,11 @@ 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; } |
