[PATCH v2 10/14] crypto/dpaa2_sec: fix crypto op pointer value

[Gagandeep Singh <g.singh@nxp.com>]

Driver is filling the crypto_op variable with an invalid value
for atomic and ordered events which can results into
segmentation fault.

This patch assigning the correct crypto_op and event buffer
pointers by extracting from FD.

Fixes: a77db24643b7 ("crypto/dpaa2_sec: support atomic queues")
Fixes: 4562de326d30 ("crypto/dpaa2_sec: support ordered queue")
Cc: stable@dpdk.org

Signed-off-by: Gagandeep Singh <g.singh@nxp.com>
---
 drivers/crypto/dpaa2_sec/dpaa2_sec_dpseci.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/crypto/dpaa2_sec/dpaa2_sec_dpseci.c b/drivers/crypto/dpaa2_sec/dpaa2_sec_dpseci.c
index 86c8df241b..9f2b384af9 100644
--- a/drivers/crypto/dpaa2_sec/dpaa2_sec_dpseci.c
+++ b/drivers/crypto/dpaa2_sec/dpaa2_sec_dpseci.c
@@ -4019,7 +4019,7 @@ dpaa2_sec_process_atomic_event(struct qbman_swp *swp __rte_unused,
 {
 	uint8_t dqrr_index;
 	struct dpaa2_sec_qp *qp;
-	struct rte_crypto_op *crypto_op = (struct rte_crypto_op *)ev->event_ptr;
+	struct rte_crypto_op *crypto_op;
 	/* Prefetching mbuf */
 	rte_prefetch0((void *)(size_t)(DPAA2_GET_FD_ADDR(fd)-
 		rte_dpaa2_bpid_info[DPAA2_GET_FD_BPID(fd)].meta_data_size));
@@ -4036,12 +4036,13 @@ dpaa2_sec_process_atomic_event(struct qbman_swp *swp __rte_unused,
 	ev->queue_id = rxq->ev.queue_id;
 	ev->priority = rxq->ev.priority;
 
-	ev->event_ptr = sec_fd_to_mbuf(fd, qp);
+	crypto_op = sec_fd_to_mbuf(fd, qp);
 	dqrr_index = qbman_get_dqrr_idx(dq);
 	*dpaa2_seqn(crypto_op->sym->m_src) = QBMAN_ENQUEUE_FLAG_DCA | dqrr_index;
 	DPAA2_PER_LCORE_DQRR_SIZE++;
 	DPAA2_PER_LCORE_DQRR_HELD |= 1 << dqrr_index;
 	DPAA2_PER_LCORE_DQRR_MBUF(dqrr_index) = crypto_op->sym->m_src;
+	ev->event_ptr = crypto_op;
 }
 
 static void __rte_hot
@@ -4051,7 +4052,7 @@ dpaa2_sec_process_ordered_event(struct qbman_swp *swp,
 				struct dpaa2_queue *rxq,
 				struct rte_event *ev)
 {
-	struct rte_crypto_op *crypto_op = (struct rte_crypto_op *)ev->event_ptr;
+	struct rte_crypto_op *crypto_op;
 	struct dpaa2_sec_qp *qp;
 
 	/* Prefetching mbuf */
@@ -4069,7 +4070,7 @@ dpaa2_sec_process_ordered_event(struct qbman_swp *swp,
 	ev->sched_type = rxq->ev.sched_type;
 	ev->queue_id = rxq->ev.queue_id;
 	ev->priority = rxq->ev.priority;
-	ev->event_ptr = sec_fd_to_mbuf(fd, qp);
+	crypto_op = sec_fd_to_mbuf(fd, qp);
 
 	*dpaa2_seqn(crypto_op->sym->m_src) = DPAA2_ENQUEUE_FLAG_ORP;
 	*dpaa2_seqn(crypto_op->sym->m_src) |= qbman_result_DQ_odpid(dq) <<
@@ -4078,6 +4079,7 @@ dpaa2_sec_process_ordered_event(struct qbman_swp *swp,
 		DPAA2_EQCR_SEQNUM_SHIFT;
 
 	qbman_swp_dqrr_consume(swp, dq);
+	ev->event_ptr = crypto_op;
 }
 
 int
-- 
2.25.1