diff --git a/srpt/src/ib_srpt.c b/srpt/src/ib_srpt.c
index 19c0f87ec..a16532e09 100644
--- a/srpt/src/ib_srpt.c
+++ b/srpt/src/ib_srpt.c
@@ -925,15 +925,7 @@ static int srpt_post_recv(struct srpt_device *sdev,
 
 static int srpt_adjust_srq_wr_avail(struct srpt_rdma_ch *ch, int delta)
 {
-	int res;
-	unsigned long flags;
-
-	spin_lock_irqsave(&ch->spinlock, flags);
-	ch->sq_wr_avail += delta;
-	res = ch->sq_wr_avail;
-	spin_unlock_irqrestore(&ch->spinlock, flags);
-
-	return res;
+	return atomic_add_return(delta, &ch->sq_wr_avail);
 }
 
 /**
@@ -2158,7 +2150,7 @@ static int srpt_create_ch_ib(struct srpt_rdma_ch *ch)
 
 	TRACE_DBG("qp_num = %#x", ch->qp->qp_num);
 
-	ch->sq_wr_avail = qp_init->cap.max_send_wr;
+	atomic_set(&ch->sq_wr_avail, qp_init->cap.max_send_wr);
 
 	TRACE_DBG("%s: max_cqe= %d max_sge= %d sq_size = %d"
 		  " cm_id= %p", __func__, ch->cq->cqe,
diff --git a/srpt/src/ib_srpt.h b/srpt/src/ib_srpt.h
index f530e1288..39272015b 100644
--- a/srpt/src/ib_srpt.h
+++ b/srpt/src/ib_srpt.h
@@ -338,7 +338,7 @@ struct srpt_rdma_ch {
 	int			rq_size;
 	int			max_sge;
 	int			max_rsp_size;
-	int			sq_wr_avail;
+	atomic_t		sq_wr_avail;
 	struct srpt_port	*sport;
 	struct srpt_tgt		*srpt_tgt;
 	int			max_ti_iu_len;