diff options
| author | Hannes Reinecke <hare@suse.de> | 2019-02-18 10:34:25 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2019-02-26 05:44:40 +0300 |
| commit | d9a00459effc30f6de2cdd887b64f15c6c54ae71 (patch) | |
| tree | 4ee1ff5bf240ac4016d4ecd3b4bfd608ef297d9e /drivers/scsi | |
| parent | 732f3238dcf27acb92959a99b7923dc49395980e (diff) | |
| download | linux-d9a00459effc30f6de2cdd887b64f15c6c54ae71.tar.xz | |
scsi: hisi_sas: 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.
[mkp: fixed commit message]
Fixes: e4db40e7a1a2 ("scsi: hisi_sas: use dma_set_mask_and_coherent")
Cc: <stable@vger.kernel.org>
Suggested-by: Ewan D. Milne <emilne@redhat.com>
Signed-off-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/hisi_sas/hisi_sas_main.c | 8 | ||||
| -rw-r--r-- | drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 8 |
2 files changed, 11 insertions, 5 deletions
diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index eed7fc5b3389..bc17fa0d8375 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -2323,6 +2323,7 @@ static struct Scsi_Host *hisi_sas_shost_alloc(struct platform_device *pdev, struct Scsi_Host *shost; struct hisi_hba *hisi_hba; struct device *dev = &pdev->dev; + int error; shost = scsi_host_alloc(hw->sht, sizeof(*hisi_hba)); if (!shost) { @@ -2343,8 +2344,11 @@ static struct Scsi_Host *hisi_sas_shost_alloc(struct platform_device *pdev, if (hisi_sas_get_fw_info(hisi_hba) < 0) goto err_out; - if (dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64)) && - dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32))) { + error = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64)); + if (error) + error = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32)); + + if (error) { dev_err(dev, "No usable DMA addressing method\n"); goto err_out; } diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c index c92b3822c408..e0570fd8466e 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c @@ -2447,10 +2447,12 @@ hisi_sas_v3_probe(struct pci_dev *pdev, const struct pci_device_id *id) if (rc) goto err_out_disable_device; - if (dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)) || - dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32))) { + rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); + if (rc) + rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); + if (rc) { dev_err(dev, "No usable DMA addressing method\n"); - rc = -EIO; + rc = -ENODEV; goto err_out_regions; } |