[PATCH v2 3/4] virtio: return 1 to tell the upper layer we don't take over this device
From: Huawei Xie <hidden>
Date: 2016-01-04 09:51:37
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
v2 changes: Remove unnecessary assignment of NULL to dev->data->mac_addrs Ajust one comment's position if virtio_resource_init fails, cleanup the resource and return 1 to tell the upper layer we don't take over this device. return -1 means error and DPDK will exit. Signed-off-by: Huawei Xie <redacted> --- drivers/net/virtio/virtio_ethdev.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c
index d928339..e815acd 100644
--- a/drivers/net/virtio/virtio_ethdev.c
+++ b/drivers/net/virtio/virtio_ethdev.c@@ -1287,8 +1287,13 @@ eth_virtio_dev_init(struct rte_eth_dev *eth_dev) pci_dev = eth_dev->pci_dev; - if (virtio_resource_init(pci_dev) < 0) - return -1; + if (virtio_resource_init(pci_dev) < 0) { + rte_free(eth_dev->data->mac_addrs); + /* Return 1 to tell the upper layer we don't take over + * this device. + */ + return 1; + } hw->use_msix = virtio_has_msix(&pci_dev->addr); hw->io_base = (uint32_t)(uintptr_t)pci_dev->mem_resource[0].addr;
--
1.8.1.4