net/ixgbe: prevent ic session leak on failure

For function ixgbe_crypto_create_session, fetches ic_session from the
mempool. But on failure scenarios, the object is not released back to
mempool. Using rte_mempool_put the ic_session is put back to mempool.

Signed-off-by: Vipin Varghese <vipin.varghese@intel.com>
Acked-by: Radu Nicolau <radu.nicolau@intel.com>

diff --git a/drivers/net/ixgbe/ixgbe_ipsec.c b/drivers/net/ixgbe/ixgbe_ipsec.c
index 683ab88..5a41688 100644 (file)
--- a/drivers/net/ixgbe/ixgbe_ipsec.c
+++ b/drivers/net/ixgbe/ixgbe_ipsec.c
@@ -364,6 +364,7 @@ ixgbe_crypto_create_session(void *device,
                        conf->crypto_xform->aead.algo !=
                                        RTE_CRYPTO_AEAD_AES_GCM) {
                PMD_DRV_LOG(ERR, "Unsupported crypto transformation mode\n");
+               rte_mempool_put(mempool, (void *)ic_session);
                return -ENOTSUP;
        }
        aead_xform = &conf->crypto_xform->aead;
@@ -373,6 +374,7 @@ ixgbe_crypto_create_session(void *device,
                        ic_session->op = IXGBE_OP_AUTHENTICATED_DECRYPTION;
                } else {
                        PMD_DRV_LOG(ERR, "IPsec decryption not enabled\n");
+                       rte_mempool_put(mempool, (void *)ic_session);
                        return -ENOTSUP;
                }
        } else {
@@ -380,6 +382,7 @@ ixgbe_crypto_create_session(void *device,
                        ic_session->op = IXGBE_OP_AUTHENTICATED_ENCRYPTION;
                } else {
                        PMD_DRV_LOG(ERR, "IPsec encryption not enabled\n");
+                       rte_mempool_put(mempool, (void *)ic_session);
                        return -ENOTSUP;
                }
        }
@@ -395,6 +398,7 @@ ixgbe_crypto_create_session(void *device,
        if (ic_session->op == IXGBE_OP_AUTHENTICATED_ENCRYPTION) {
                if (ixgbe_crypto_add_sa(ic_session)) {
                        PMD_DRV_LOG(ERR, "Failed to add SA\n");
+                       rte_mempool_put(mempool, (void *)ic_session);
                        return -EPERM;
                }
        }