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authorHannes Reinecke <hare@suse.de>2019-02-18 08:34:24 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-03-05 17:59:44 +0100
commit6ab06e07f4f2988b21d925a1f45c198408cf97f8 (patch)
tree762b3d15fec1fddfba96a46dfb961558bbe94a89 /drivers/scsi
parentf9b3c1f9dbdd14cd5243d3078bb29bae599cfb7c (diff)
scsi: csiostor: fix calls to dma_set_mask_and_coherent()
commit 732f3238dcf27acb92959a99b7923dc49395980e upstream. 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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/scsi')
-rw-r--r--drivers/scsi/csiostor/csio_init.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/scsi/csiostor/csio_init.c b/drivers/scsi/csiostor/csio_init.c
index 1a458ce08210..ecab0403bd97 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;
}