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authorHannes Reinecke <hare@suse.de>2019-02-18 08:34:21 +0100
committerMartin K. Petersen <martin.petersen@oracle.com>2019-02-25 21:37:26 -0500
commit1feb3b02294994ee3a067c9b6cda6c244fd0ee18 (patch)
tree0a78f1c5aad665c163374e23972a6b585f394fa0 /drivers
parent33d6667416c73eb0b37f0f10f56d825b15389dab (diff)
scsi: 3w-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. Fixes: b1fa122930c4 ("scsi: 3w-sas: fully convert to the 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')
-rw-r--r--drivers/scsi/3w-sas.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/scsi/3w-sas.c b/drivers/scsi/3w-sas.c
index e8f5f7c63190..2d15b878bd94 100644
--- a/drivers/scsi/3w-sas.c
+++ b/drivers/scsi/3w-sas.c
@@ -1572,8 +1572,10 @@ static int twl_probe(struct pci_dev *pdev, const struct pci_device_id *dev_id)
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))) {
+ retval = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
+ if (retval)
+ retval = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
+ if (retval) {
TW_PRINTK(host, TW_DRIVER, 0x18, "Failed to set dma mask");
retval = -ENODEV;
goto out_disable_device;
@@ -1804,8 +1806,10 @@ static int twl_resume(struct pci_dev *pdev)
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))) {
+ retval = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
+ if (retval)
+ retval = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
+ if (retval) {
TW_PRINTK(host, TW_DRIVER, 0x25, "Failed to set dma mask during resume");
retval = -ENODEV;
goto out_disable_device;