zd1211rw: fix potential use-after-free bug

[safe/jmp/linux-2.6] / drivers / net / xen-netfront.c

diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
index 2a8fc43..8bddff1 100644 (file)
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -852,11 +852,6 @@ static int xennet_poll(struct napi_struct *napi, int budget)
 
        spin_lock(&np->rx_lock);
 
-       if (unlikely(!netif_carrier_ok(dev))) {
-               spin_unlock(&np->rx_lock);
-               return 0;
-       }
-
        skb_queue_head_init(&rxq);
        skb_queue_head_init(&errq);
        skb_queue_head_init(&tmpq);
@@ -1078,7 +1073,7 @@ static void xennet_release_rx_bufs(struct netfront_info *np)
                if (!xen_feature(XENFEAT_auto_translated_physmap)) {
                        /* Do all the remapping work and M2P updates. */
                        MULTI_mmu_update(mcl, np->rx_mmu, mmu - np->rx_mmu,
-                                        0, DOMID_SELF);
+                                        NULL, DOMID_SELF);
                        mcl++;
                        HYPERVISOR_multicall(np->rx_mcl, mcl - np->rx_mcl);
                }
@@ -1808,9 +1803,11 @@ static void __exit netif_exit(void)
        if (is_initial_xendomain())
                return;
 
-       return xenbus_unregister_driver(&netfront);
+       xenbus_unregister_driver(&netfront);
 }
 module_exit(netif_exit);
 
 MODULE_DESCRIPTION("Xen virtual network device frontend");
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("xen:vif");
+MODULE_ALIAS("xennet");