diff --git a/drivers/infiniband/hw/hfi1/pio.c b/drivers/infiniband/hw/hfi1/pio.c
index 1cd8f80f097a..60eb3a64518f 100644
--- a/drivers/infiniband/hw/hfi1/pio.c
+++ b/drivers/infiniband/hw/hfi1/pio.c
@@ -955,8 +955,7 @@ void sc_disable(struct send_context *sc)
 	spin_unlock(&sc->release_lock);
 
 	write_seqlock(&sc->waitlock);
-	if (!list_empty(&sc->piowait))
-		list_move(&sc->piowait, &wake_list);
+	list_splice_init(&sc->piowait, &wake_list);
 	write_sequnlock(&sc->waitlock);
 	while (!list_empty(&wake_list)) {
 		struct iowait *wait;