---

yaml --- r: 265568 b: refs/heads/master c: 98b9e48 h: refs/heads/master v: v3
git-mirror · Aug 27, 2011 · 44e6935 · 44e6935
1 parent a7a6e46
commit 44e6935
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Showing 2 changed files with 5 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: dc221294719ae0f28cc260cc37edd439161088a9
+refs/heads/master: 98b9e48fca11c8aa54b25c02d3329392b52db8ab
diff --git a/trunk/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/trunk/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
@@ -203,6 +203,9 @@ static bool ixgbevf_clean_tx_irq(struct ixgbevf_adapter *adapter,
 	       (count < tx_ring->work_limit)) {
 		bool cleaned = false;
 		rmb(); /* read buffer_info after eop_desc */
+		/* eop could change between read and DD-check */
+		if (unlikely(eop != tx_ring->tx_buffer_info[i].next_to_watch))
+			goto cont_loop;
 		for ( ; !cleaned; count++) {
 			struct sk_buff *skb;
 			tx_desc = IXGBE_TX_DESC_ADV(*tx_ring, i);
@@ -232,6 +235,7 @@ static bool ixgbevf_clean_tx_irq(struct ixgbevf_adapter *adapter,
 				i = 0;
 		}
 
+cont_loop:
 		eop = tx_ring->tx_buffer_info[i].next_to_watch;
 		eop_desc = IXGBE_TX_DESC_ADV(*tx_ring, eop);
 	}