[PATCH v3 3/3] baseband/acc: add check for empty queue

[Hernan Vargas]

Add optimization to return early if there are no available descriptors
in ring to dequeue.

Signed-off-by: Hernan Vargas <hernan.vargas at intel.com>
---
 drivers/baseband/acc/rte_acc100_pmd.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/baseband/acc/rte_acc100_pmd.c b/drivers/baseband/acc/rte_acc100_pmd.c
index c242f7737a..9941754aa0 100644
--- a/drivers/baseband/acc/rte_acc100_pmd.c
+++ b/drivers/baseband/acc/rte_acc100_pmd.c
@@ -4106,6 +4106,9 @@ acc100_dequeue_ldpc_enc(struct rte_bbdev_queue_data *q_data,
 	int ret, cbm;
 	struct rte_bbdev_enc_op *op;
 
+	if (avail == 0)
+		return 0;
+
 	op = acc_op_tail(q, 0);
 	if (unlikely(ops == NULL || op == NULL))
 		return 0;
-- 
2.37.1