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crypto/virtio: check PCI config read
[dpdk.git]
/
drivers
/
crypto
/
virtio
/
virtio_pci.c
diff --git
a/drivers/crypto/virtio/virtio_pci.c
b/drivers/crypto/virtio/virtio_pci.c
index
0c0c644
..
8137b3c
100644
(file)
--- a/
drivers/crypto/virtio/virtio_pci.c
+++ b/
drivers/crypto/virtio/virtio_pci.c
@@
-397,9
+397,13
@@
virtio_read_caps(struct rte_pci_device *dev, struct virtio_crypto_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,
+ r
et = r
te_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)
+ VIRTIO_CRYPTO_INIT_LOG_ERR(
+ "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);