crypto/aesni_mb: check if session is valid

Check if session is valid after getting operation
out of the internal IPSec MB manager, in case the
session has been freed while the operation was still
inside the manager.

Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>

diff --git a/drivers/crypto/aesni_mb/rte_aesni_mb_pmd.c b/drivers/crypto/aesni_mb/rte_aesni_mb_pmd.c
index a1d59e89b7565c3bcfec42fbeba062480f1772cf..4bfc752dcab743e8fb55eee068d7e3952bcfe511 100644 (file)
--- a/drivers/crypto/aesni_mb/rte_aesni_mb_pmd.c
+++ b/drivers/crypto/aesni_mb/rte_aesni_mb_pmd.c
@@ -1178,6 +1178,10 @@ post_process_mb_job(struct aesni_mb_qp *qp, JOB_AES_HMAC *job)
        struct aesni_mb_session *sess = get_sym_session_private_data(
                                                        op->sym->session,
                                                        cryptodev_driver_id);
+       if (unlikely(sess == NULL)) {
+               op->status = RTE_CRYPTO_OP_STATUS_INVALID_SESSION;
+               return op;
+       }
 
        if (likely(op->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED)) {
                switch (job->status) {