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net/ixgbe: check probing error

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Add NULL parameter check for rte_eth_dev_allocated() API call to
eth_ixgbe_pci_probe().

Coverity Issue: 277216
Fixes: cf80ba6e20 ("net/ixgbe: add support for representor ports")

Signed-off-by: Declan Doherty <declan.doherty@intel.com>
Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>
This commit is contained in:
Declan Doherty 2018-05-02 16:59:41 +01:00 committed by Ferruh Yigit
parent 07d27b971b
commit a34506b3a5
1 changed files with 3 additions and 1 deletions
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4
drivers/net/ixgbe/ixgbe_ethdev.c
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@ -1745,9 +1745,11 @@ eth_ixgbe_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
if (retval || eth_da.nb_representor_ports < 1)
return retval;
/* probe VF representor ports */
pf_ethdev = rte_eth_dev_allocated(pci_dev->device.name);
if (pf_ethdev == NULL)
return -ENODEV;
/* probe VF representor ports */
for (i = 0; i < eth_da.nb_representor_ports; i++) {
struct ixgbe_vf_info *vfinfo;
struct ixgbe_vf_representor representor;