diff --git a/drivers/infiniband/hw/irdma/uk.c b/drivers/infiniband/hw/irdma/uk.c
index a006e7365f4d..8a463b3d4c83 100644
--- a/drivers/infiniband/hw/irdma/uk.c
+++ b/drivers/infiniband/hw/irdma/uk.c
@@ -1309,6 +1309,8 @@ int irdma_uk_cq_poll_cmpl(struct irdma_cq_uk *cq,
 	info->op_type = (u8)FIELD_GET(IRDMACQ_OP, qword3);
 
 	if (info->q_type == IRDMA_CQE_QTYPE_RQ && is_srq) {
+		unsigned long flags;
+
 		srq = qp->srq_uk;
 
 		get_64bit_val(cqe, 8, &info->wr_id);
@@ -1321,8 +1323,11 @@ int irdma_uk_cq_poll_cmpl(struct irdma_cq_uk *cq,
 		} else {
 			info->stag_invalid_set = false;
 		}
+		spin_lock_irqsave(srq->lock, flags);
 		IRDMA_RING_MOVE_TAIL(srq->srq_ring);
+		spin_unlock_irqrestore(srq->lock, flags);
 		pring = &srq->srq_ring;
+
 	} else if (info->q_type == IRDMA_CQE_QTYPE_RQ && !is_srq) {
 		u32 array_idx;
 
diff --git a/drivers/infiniband/hw/irdma/user.h b/drivers/infiniband/hw/irdma/user.h
index 6c29fa04e821..3a27cce3c3db 100644
--- a/drivers/infiniband/hw/irdma/user.h
+++ b/drivers/infiniband/hw/irdma/user.h
@@ -466,6 +466,7 @@ struct irdma_srq_uk {
 	u8 wqe_size;
 	u8 wqe_size_multiplier;
 	u8 deferred_flag;
+	spinlock_t *lock;
 };
 
 struct irdma_srq_uk_init_info {
diff --git a/drivers/infiniband/hw/irdma/verbs.c b/drivers/infiniband/hw/irdma/verbs.c
index 7eff07a329e7..66ecaa0f5be6 100644
--- a/drivers/infiniband/hw/irdma/verbs.c
+++ b/drivers/infiniband/hw/irdma/verbs.c
@@ -2388,6 +2388,7 @@ static int irdma_create_srq(struct ib_srq *ibsrq,
 	info.vsi = &iwdev->vsi;
 	info.pd = &iwpd->sc_pd;
 
+	iwsrq->sc_srq.srq_uk.lock = &iwsrq->lock;
 	err_code = irdma_sc_srq_init(&iwsrq->sc_srq, &info);
 	if (err_code)
 		goto free_dmem;