diff --git a/srpt/src/ib_srpt.c b/srpt/src/ib_srpt.c
index 77b9d238e..884cded22 100644
--- a/srpt/src/ib_srpt.c
+++ b/srpt/src/ib_srpt.c
@@ -2021,13 +2021,13 @@ static void srpt_process_completion(struct ib_cq *cq,
 				    struct srpt_rdma_ch *ch,
 				    enum scst_exec_context context)
 {
-	struct ib_wc wc[4];
+	struct ib_wc* const wc = ch->wc;
 	int i, n;
 
 	EXTRACHECKS_WARN_ON(cq != ch->cq);
 
 	ib_req_notify_cq(cq, IB_CQ_NEXT_COMP);
-	while ((n = ib_poll_cq(cq, ARRAY_SIZE(wc), wc)) > 0) {
+	while ((n = ib_poll_cq(cq, ARRAY_SIZE(ch->wc), wc)) > 0) {
 		for (i = 0; i < n; i++) {
 			if ((wc[i].wr_id & SRPT_OP_RECV)
 			    || (wc[i].opcode & IB_WC_RECV))
diff --git a/srpt/src/ib_srpt.h b/srpt/src/ib_srpt.h
index 55bc4ca9f..36369310f 100644
--- a/srpt/src/ib_srpt.h
+++ b/srpt/src/ib_srpt.h
@@ -296,6 +296,7 @@ struct srpt_rdma_ch {
 	atomic_t req_lim_delta;
 	atomic_t req_lim_waiter_count;
 	struct completion req_lim_compl;
+	struct ib_wc wc[16];
 	atomic_t state;
 	struct list_head list;
 	struct list_head cmd_wait_list;