virtio: fix check when mapping PCI resources

According to the api, rte_eal_pci_map_device is only successful when
returning 0.

Fixes: 6ba1f63b5ab0 ("virtio: support specification 1.0")

Signed-off-by: David Marchand <david.marchand@6wind.com>
Acked-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>

diff --git a/drivers/net/virtio/virtio_pci.c b/drivers/net/virtio/virtio_pci.c
index 762e91c..b4d4476 100644 (file)
--- a/drivers/net/virtio/virtio_pci.c
+++ b/drivers/net/virtio/virtio_pci.c
@@ -795,7 +795,7 @@ virtio_read_caps(struct rte_pci_device *dev, struct virtio_hw *hw)
        struct virtio_pci_cap cap;
        int ret;
 
-       if (rte_eal_pci_map_device(dev) < 0) {
+       if (rte_eal_pci_map_device(dev)) {
                PMD_INIT_LOG(DEBUG, "failed to map pci device!");
                return -1;
        }