diff options
-rw-r--r-- | drivers/dma/ioat_dma.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/dma/ioat_dma.c b/drivers/dma/ioat_dma.c index 879f4a06e3ca..9012da7908f5 100644 --- a/drivers/dma/ioat_dma.c +++ b/drivers/dma/ioat_dma.c | |||
@@ -1659,6 +1659,13 @@ struct ioatdma_device *ioat_dma_probe(struct pci_dev *pdev, | |||
1659 | " %d channels, device version 0x%02x, driver version %s\n", | 1659 | " %d channels, device version 0x%02x, driver version %s\n", |
1660 | device->common.chancnt, device->version, IOAT_DMA_VERSION); | 1660 | device->common.chancnt, device->version, IOAT_DMA_VERSION); |
1661 | 1661 | ||
1662 | if (!device->common.chancnt) { | ||
1663 | dev_err(&device->pdev->dev, | ||
1664 | "Intel(R) I/OAT DMA Engine problem found: " | ||
1665 | "zero channels detected\n"); | ||
1666 | goto err_setup_interrupts; | ||
1667 | } | ||
1668 | |||
1662 | err = ioat_dma_setup_interrupts(device); | 1669 | err = ioat_dma_setup_interrupts(device); |
1663 | if (err) | 1670 | if (err) |
1664 | goto err_setup_interrupts; | 1671 | goto err_setup_interrupts; |