[dpdk-dev] [dpdk-dev 3/3][PATCH v2] net/ixgbe: add null pointer check for pf_ethdev

[Declan Doherty <declan.doherty@intel.com>]

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

Coverity Issue: 277216
Fixes: cf80ba6e2038 ("net/ixgbe: add support for representor ports")

Signed-off-by: Declan Doherty <declan.doherty@intel.com>
---
 drivers/net/ixgbe/ixgbe_ethdev.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c
index a05527a91..91179e9b2 100644
--- a/drivers/net/ixgbe/ixgbe_ethdev.c
+++ b/drivers/net/ixgbe/ixgbe_ethdev.c
@@ -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;
-- 
2.14.3