diff --git a/[refs] b/[refs]
index c9e5b644d91e..5910197d4e8c 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 79027596ff710f9662ccae5f5e85de43961420ed
+refs/heads/master: 7f66c2f93e5779625c10d262c84537427a2673ca
diff --git a/trunk/drivers/net/wireless/rtlwifi/pci.c b/trunk/drivers/net/wireless/rtlwifi/pci.c
index c5f6a322feb2..c503bd3b809e 100644
--- a/trunk/drivers/net/wireless/rtlwifi/pci.c
+++ b/trunk/drivers/net/wireless/rtlwifi/pci.c
@@ -1148,10 +1148,12 @@ static void _rtl_pci_free_tx_ring(struct ieee80211_hw *hw,
 		ring->idx = (ring->idx + 1) % ring->entries;
 	}
 
-	pci_free_consistent(rtlpci->pdev,
-			    sizeof(*ring->desc) * ring->entries,
-			    ring->desc, ring->dma);
-	ring->desc = NULL;
+	if (ring->desc) {
+		pci_free_consistent(rtlpci->pdev,
+				    sizeof(*ring->desc) * ring->entries,
+				    ring->desc, ring->dma);
+		ring->desc = NULL;
+	}
 }
 
 static void _rtl_pci_free_rx_ring(struct rtl_pci *rtlpci)
@@ -1175,12 +1177,14 @@ static void _rtl_pci_free_rx_ring(struct rtl_pci *rtlpci)
 			kfree_skb(skb);
 		}
 
-		pci_free_consistent(rtlpci->pdev,
+		if (rtlpci->rx_ring[rx_queue_idx].desc) {
+			pci_free_consistent(rtlpci->pdev,
 				    sizeof(*rtlpci->rx_ring[rx_queue_idx].
 					   desc) * rtlpci->rxringcount,
 				    rtlpci->rx_ring[rx_queue_idx].desc,
 				    rtlpci->rx_ring[rx_queue_idx].dma);
-		rtlpci->rx_ring[rx_queue_idx].desc = NULL;
+			rtlpci->rx_ring[rx_queue_idx].desc = NULL;
+		}
 	}
 }