---

yaml --- r: 194777 b: refs/heads/master c: 4d30b80 h: refs/heads/master i: 194775: 1026620 v: v3
git-mirror · May 6, 2010 · c221248 · c221248
1 parent 48d98d3
commit c221248
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Showing 2 changed files with 10 additions and 3 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 62538d2490d071e822d85651445c8a0bb4ed5a4b
+refs/heads/master: 4d30b8013b2d82138d6900965fe9fcd062f2d06d
diff --git a/trunk/drivers/net/octeon/octeon_mgmt.c b/trunk/drivers/net/octeon/octeon_mgmt.c
@@ -189,12 +189,19 @@ static void octeon_mgmt_clean_tx_buffers(struct octeon_mgmt *p)
 
 	mix_orcnt.u64 = cvmx_read_csr(CVMX_MIXX_ORCNT(port));
 	while (mix_orcnt.s.orcnt) {
+		spin_lock_irqsave(&p->tx_list.lock, flags);
+
+		mix_orcnt.u64 = cvmx_read_csr(CVMX_MIXX_ORCNT(port));
+
+		if (mix_orcnt.s.orcnt == 0) {
+			spin_unlock_irqrestore(&p->tx_list.lock, flags);
+			break;
+		}
+
 		dma_sync_single_for_cpu(p->dev, p->tx_ring_handle,
 					ring_size_to_bytes(OCTEON_MGMT_TX_RING_SIZE),
 					DMA_BIDIRECTIONAL);
 
-		spin_lock_irqsave(&p->tx_list.lock, flags);
-
 		re.d64 = p->tx_ring[p->tx_next_clean];
 		p->tx_next_clean =
 			(p->tx_next_clean + 1) % OCTEON_MGMT_TX_RING_SIZE;