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net/ixgbe: fix missing null check on detach

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Add missing NULL point check inside ixgbe_pf_host_uninit, or it may cause
segment fault when detaching a device.

Fixes: cf80ba6e20 ("net/ixgbe: add support for representor ports")
Cc: stable@dpdk.org

Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
Acked-by: Remy Horton <remy.horton@intel.com>
This commit is contained in:
Qi Zhang 2018-07-16 20:47:04 +08:00 committed by Ferruh Yigit
parent a8cdaf0964
commit 1ec01cd096
1 changed files with 4 additions and 2 deletions
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6
drivers/net/ixgbe/ixgbe_pf.c
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@ -128,8 +128,6 @@ void ixgbe_pf_host_uninit(struct rte_eth_dev *eth_dev)
PMD_INIT_FUNC_TRACE();
vfinfo = IXGBE_DEV_PRIVATE_TO_P_VFDATA(eth_dev->data->dev_private);
RTE_ETH_DEV_SRIOV(eth_dev).active = 0;
RTE_ETH_DEV_SRIOV(eth_dev).nb_q_per_pool = 0;
RTE_ETH_DEV_SRIOV(eth_dev).def_vmdq_idx = 0;
@ -139,6 +137,10 @@ void ixgbe_pf_host_uninit(struct rte_eth_dev *eth_dev)
if (vf_num == 0)
return;
vfinfo = IXGBE_DEV_PRIVATE_TO_P_VFDATA(eth_dev->data->dev_private);
if (*vfinfo == NULL)
return;
ret = rte_eth_switch_domain_free((*vfinfo)->switch_domain_id);
if (ret)
PMD_INIT_LOG(WARNING, "failed to free switch domain: %d", ret);