scsi: aic94xx: fix calls to dma_set_mask_and_coherent()
authorHannes Reinecke <hare@suse.de>
Mon, 18 Feb 2019 07:34:22 +0000 (08:34 +0100)
committerMartin K. Petersen <martin.petersen@oracle.com>
Tue, 26 Feb 2019 02:37:26 +0000 (21:37 -0500)
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 subject]

Fixes: 3a21986f1a59 ("scsi: aic94xx: 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>
drivers/scsi/aic94xx/aic94xx_init.c

index 07efcb9b5b943109bea84daf60fc223263b8d376..bbdae67774f064526cd7e4eafcc6a8c7aeab35c3 100644 (file)
@@ -769,9 +769,11 @@ static int asd_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
        if (err)
                goto Err_remove;
 
-       err = -ENODEV;
-       if (dma_set_mask_and_coherent(&dev->dev, DMA_BIT_MASK(64)) ||
-           dma_set_mask_and_coherent(&dev->dev, DMA_BIT_MASK(32))) {
+       err = dma_set_mask_and_coherent(&dev->dev, DMA_BIT_MASK(64));
+       if (err)
+               err = dma_set_mask_and_coherent(&dev->dev, DMA_BIT_MASK(32));
+       if (err) {
+               err = -ENODEV;
                asd_printk("no suitable DMA mask for %s\n", pci_name(dev));
                goto Err_remove;
        }