diff --git a/[refs] b/[refs]
index 542451461e25..c5d9181fa1eb 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 2c307db7e40ff537d39c2e66629ba718ee2a8e51
+refs/heads/master: 90476a20fa4742c827b437d9814a51d06c153884
diff --git a/trunk/drivers/net/spider_net.c b/trunk/drivers/net/spider_net.c
index 67bbd7ba406d..3bf4b9b6662a 100644
--- a/trunk/drivers/net/spider_net.c
+++ b/trunk/drivers/net/spider_net.c
@@ -419,6 +419,7 @@ spider_net_prepare_rx_descr(struct spider_net_card *card,
 		card->spider_stats.rx_iommu_map_error++;
 		descr->dmac_cmd_status = SPIDER_NET_DESCR_NOT_IN_USE;
 	} else {
+		wmb();
 		descr->dmac_cmd_status = SPIDER_NET_DESCR_CARDOWNED |
 					 SPIDER_NET_DMAC_NOINTR_COMPLETE;
 	}