diff --git a/[refs] b/[refs] index 369f07e96190..4b119d8a9231 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: ea9c717d0148d4194f9bd04ecfa6b59b20fc0a08 +refs/heads/master: 8b794b141c633083408d0bfb2229b3406d0ebf99 diff --git a/trunk/drivers/dma/ioat_dma.c b/trunk/drivers/dma/ioat_dma.c index 879f4a06e3ca..9012da7908f5 100644 --- a/trunk/drivers/dma/ioat_dma.c +++ b/trunk/drivers/dma/ioat_dma.c @@ -1659,6 +1659,13 @@ struct ioatdma_device *ioat_dma_probe(struct pci_dev *pdev, " %d channels, device version 0x%02x, driver version %s\n", device->common.chancnt, device->version, IOAT_DMA_VERSION); + if (!device->common.chancnt) { + dev_err(&device->pdev->dev, + "Intel(R) I/OAT DMA Engine problem found: " + "zero channels detected\n"); + goto err_setup_interrupts; + } + err = ioat_dma_setup_interrupts(device); if (err) goto err_setup_interrupts;