[PATCH v2] net/ixgbe: fix memoy leak after device init failure

[Yunjian Wang <wangyunjian@huawei.com>]

In ixgbe_ipsec_ctx_create() allocated memory for the 'security_ctx',
we should free it when errors occur, otherwise it will lead
to memory leak.

Fixes: 9a0752f498d2 ("net/ixgbe: enable inline IPsec")
Cc: stable@dpdk.org

Signed-off-by: Yunjian Wang <wangyunjian@huawei.com>
---
v2: just resend the patch, maintainer feedback cannot find it.
---
 drivers/net/ixgbe/ixgbe_ethdev.c | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c
index d6cf00317e..a32d3a6d7c 100644
--- a/drivers/net/ixgbe/ixgbe_ethdev.c
+++ b/drivers/net/ixgbe/ixgbe_ethdev.c
@@ -1190,7 +1190,8 @@ eth_ixgbe_dev_init(struct rte_eth_dev *eth_dev, void *init_params __rte_unused)
 	diag = ixgbe_validate_eeprom_checksum(hw, &csum);
 	if (diag != IXGBE_SUCCESS) {
 		PMD_INIT_LOG(ERR, "The EEPROM checksum is not valid: %d", diag);
-		return -EIO;
+		ret = -EIO;
+		goto err_exit;
 	}
 
 #ifdef RTE_LIBRTE_IXGBE_BYPASS
@@ -1228,7 +1229,8 @@ eth_ixgbe_dev_init(struct rte_eth_dev *eth_dev, void *init_params __rte_unused)
 		PMD_INIT_LOG(ERR, "Unsupported SFP+ Module");
 	if (diag) {
 		PMD_INIT_LOG(ERR, "Hardware Initialization Failure: %d", diag);
-		return -EIO;
+		ret = -EIO;
+		goto err_exit;
 	}
 
 	/* Reset the hw statistics */
@@ -1248,7 +1250,8 @@ eth_ixgbe_dev_init(struct rte_eth_dev *eth_dev, void *init_params __rte_unused)
 			     "Failed to allocate %u bytes needed to store "
 			     "MAC addresses",
 			     RTE_ETHER_ADDR_LEN * hw->mac.num_rar_entries);
-		return -ENOMEM;
+		ret = -ENOMEM;
+		goto err_exit;
 	}
 	/* Copy the permanent MAC address */
 	rte_ether_addr_copy((struct rte_ether_addr *)hw->mac.perm_addr,
@@ -1263,7 +1266,8 @@ eth_ixgbe_dev_init(struct rte_eth_dev *eth_dev, void *init_params __rte_unused)
 			     RTE_ETHER_ADDR_LEN * IXGBE_VMDQ_NUM_UC_MAC);
 		rte_free(eth_dev->data->mac_addrs);
 		eth_dev->data->mac_addrs = NULL;
-		return -ENOMEM;
+		ret = -ENOMEM;
+		goto err_exit;
 	}
 
 	/* initialize the vfta */
@@ -1347,6 +1351,11 @@ eth_ixgbe_dev_init(struct rte_eth_dev *eth_dev, void *init_params __rte_unused)
 	eth_dev->data->mac_addrs = NULL;
 	rte_free(eth_dev->data->hash_mac_addrs);
 	eth_dev->data->hash_mac_addrs = NULL;
+err_exit:
+#ifdef RTE_LIB_SECURITY
+	rte_free(eth_dev->security_ctx);
+	eth_dev->security_ctx = NULL;
+#endif
 	return ret;
 }
 
-- 
2.33.0