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New upstream version 18.11-rc3
[deb_dpdk.git]
/
drivers
/
net
/
virtio
/
virtio_pci.c
diff --git
a/drivers/net/virtio/virtio_pci.c
b/drivers/net/virtio/virtio_pci.c
index
21110cd
..
c8883c3
100644
(file)
--- a/
drivers/net/virtio/virtio_pci.c
+++ b/
drivers/net/virtio/virtio_pci.c
@@
-614,9
+614,15
@@
virtio_read_caps(struct rte_pci_device *dev, struct virtio_hw *hw)
hw->common_cfg = get_cfg_addr(dev, &cap);
break;
case VIRTIO_PCI_CAP_NOTIFY_CFG:
hw->common_cfg = get_cfg_addr(dev, &cap);
break;
case VIRTIO_PCI_CAP_NOTIFY_CFG:
- rte_pci_read_config(dev, &hw->notify_off_multiplier,
+ ret = rte_pci_read_config(dev,
+ &hw->notify_off_multiplier,
4, pos + sizeof(cap));
4, pos + sizeof(cap));
- hw->notify_base = get_cfg_addr(dev, &cap);
+ if (ret != 4)
+ PMD_INIT_LOG(DEBUG,
+ "failed to read notify_off_multiplier, ret %d",
+ ret);
+ else
+ hw->notify_base = get_cfg_addr(dev, &cap);
break;
case VIRTIO_PCI_CAP_DEVICE_CFG:
hw->dev_cfg = get_cfg_addr(dev, &cap);
break;
case VIRTIO_PCI_CAP_DEVICE_CFG:
hw->dev_cfg = get_cfg_addr(dev, &cap);