IPoIB/cm: Fix racy use of receive WR/SGL in ipoib_cm_post_receive_nonsrq()

[linux-2.6-omap-h63xx.git] / drivers / net / xen-netfront.c

diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
index 8bddff150c7099e76d66bfb4cd9e4bebe12f5194..ef671d1a3bf08441719b5f0bda8338648b1d1ee6 100644 (file)
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -946,8 +946,7 @@ err:
                work_done++;
        }
 
-       while ((skb = __skb_dequeue(&errq)))
-               kfree_skb(skb);
+       __skb_queue_purge(&errq);
 
        work_done -= handle_incoming_queue(dev, &rxq);
 
@@ -1079,8 +1078,7 @@ static void xennet_release_rx_bufs(struct netfront_info *np)
                }
        }
 
-       while ((skb = __skb_dequeue(&free_list)) != NULL)
-               dev_kfree_skb(skb);
+       __skb_queue_purge(&free_list);
 
        spin_unlock_bh(&np->rx_lock);
 }
@@ -1326,7 +1324,7 @@ static int setup_netfront(struct xenbus_device *dev, struct netfront_info *info)
                goto fail;
        }
 
-       txs = (struct xen_netif_tx_sring *)get_zeroed_page(GFP_KERNEL);
+       txs = (struct xen_netif_tx_sring *)get_zeroed_page(GFP_NOIO | __GFP_HIGH);
        if (!txs) {
                err = -ENOMEM;
                xenbus_dev_fatal(dev, err, "allocating tx ring page");
@@ -1342,7 +1340,7 @@ static int setup_netfront(struct xenbus_device *dev, struct netfront_info *info)
        }
 
        info->tx_ring_ref = err;
-       rxs = (struct xen_netif_rx_sring *)get_zeroed_page(GFP_KERNEL);
+       rxs = (struct xen_netif_rx_sring *)get_zeroed_page(GFP_NOIO | __GFP_HIGH);
        if (!rxs) {
                err = -ENOMEM;
                xenbus_dev_fatal(dev, err, "allocating rx ring page");