net/bnx2x: fix invalid free on unplug

mac_addrs points to a field in dev_private.
We can't let ethdev free it.

Fixes: e16adf08e54d ("ethdev: free all common data when releasing port")
Cc: stable@dpdk.org
Signed-off-by: David Marchand <david.marchand@redhat.com>
Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>

diff --git a/drivers/net/bnx2x/bnx2x_ethdev.c b/drivers/net/bnx2x/bnx2x_ethdev.c
index 0ee35e4..10b4fdb 100644 (file)
--- a/drivers/net/bnx2x/bnx2x_ethdev.c
+++ b/drivers/net/bnx2x/bnx2x_ethdev.c
@@ -700,6 +700,13 @@ eth_bnx2xvf_dev_init(struct rte_eth_dev *eth_dev)
        return bnx2x_common_dev_init(eth_dev, 1);
 }
 
+static int eth_bnx2x_dev_uninit(struct rte_eth_dev *eth_dev)
+{
+       /* mac_addrs must not be freed alone because part of dev_private */
+       eth_dev->data->mac_addrs = NULL;
+       return 0;
+}
+
 static struct rte_pci_driver rte_bnx2x_pmd;
 static struct rte_pci_driver rte_bnx2xvf_pmd;
 
@@ -718,7 +725,7 @@ static int eth_bnx2x_pci_probe(struct rte_pci_driver *pci_drv,
 
 static int eth_bnx2x_pci_remove(struct rte_pci_device *pci_dev)
 {
-       return rte_eth_dev_pci_generic_remove(pci_dev, NULL);
+       return rte_eth_dev_pci_generic_remove(pci_dev, eth_bnx2x_dev_uninit);
 }
 
 static struct rte_pci_driver rte_bnx2x_pmd = {