diff options
Diffstat (limited to 'net')
97 files changed, 678 insertions, 429 deletions
diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c index 6089f0cf23b..9096bcb0813 100644 --- a/net/8021q/vlan.c +++ b/net/8021q/vlan.c @@ -403,6 +403,9 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event, break; case NETDEV_DOWN: + if (dev->features & NETIF_F_HW_VLAN_FILTER) + vlan_vid_del(dev, 0); + /* Put all VLANs for this dev in the down state too. */ for (i = 0; i < VLAN_N_VID; i++) { vlandev = vlan_group_get_device(grp, i); diff --git a/net/9p/protocol.c b/net/9p/protocol.c index 9ee48cb3017..3d33ecf1332 100644 --- a/net/9p/protocol.c +++ b/net/9p/protocol.c @@ -368,7 +368,7 @@ p9pdu_vwritef(struct p9_fcall *pdu, int proto_version, const char *fmt, const char *sptr = va_arg(ap, const char *); uint16_t len = 0; if (sptr) - len = min_t(uint16_t, strlen(sptr), + len = min_t(size_t, strlen(sptr), USHRT_MAX); errcode = p9pdu_writef(pdu, proto_version, diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c index 5af18d11b51..2a167658bb9 100644 --- a/net/9p/trans_virtio.c +++ b/net/9p/trans_virtio.c @@ -192,10 +192,10 @@ static int pack_sg_list(struct scatterlist *sg, int start, s = rest_of_page(data); if (s > count) s = count; + BUG_ON(index > limit); sg_set_buf(&sg[index++], data, s); count -= s; data += s; - BUG_ON(index > limit); } return index-start; diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c index 0301b328cf0..86852963b7f 100644 --- a/net/appletalk/ddp.c +++ b/net/appletalk/ddp.c @@ -1208,9 +1208,7 @@ static int atalk_connect(struct socket *sock, struct sockaddr *uaddr, if (addr->sat_addr.s_node == ATADDR_BCAST && !sock_flag(sk, SOCK_BROADCAST)) { #if 1 - printk(KERN_WARNING "%s is broken and did not set " - "SO_BROADCAST. It will break when 2.2 is " - "released.\n", + pr_warn("atalk_connect: %s is broken and did not set SO_BROADCAST.\n", current->comm); #else return -EACCES; diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c index 051f7abae66..779095ded68 100644 --- a/net/ax25/af_ax25.c +++ b/net/ax25/af_ax25.c @@ -842,6 +842,7 @@ static int ax25_create(struct net *net, struct socket *sock, int protocol, case AX25_P_NETROM: if (ax25_protocol_is_registered(AX25_P_NETROM)) return -ESOCKTNOSUPPORT; + break; #endif #ifdef CONFIG_ROSE_MODULE case AX25_P_ROSE: diff --git a/net/batman-adv/bridge_loop_avoidance.c b/net/batman-adv/bridge_loop_avoidance.c index 8bf97515a77..c5863f49913 100644 --- a/net/batman-adv/bridge_loop_avoidance.c +++ b/net/batman-adv/bridge_loop_avoidance.c @@ -1351,6 +1351,7 @@ void bla_free(struct bat_priv *bat_priv) * @bat_priv: the bat priv with all the soft interface information * @skb: the frame to be checked * @vid: the VLAN ID of the frame + * @is_bcast: the packet came in a broadcast packet type. * * bla_rx avoidance checks if: * * we have to race for a claim @@ -1361,7 +1362,8 @@ void bla_free(struct bat_priv *bat_priv) * process the skb. * */ -int bla_rx(struct bat_priv *bat_priv, struct sk_buff *skb, short vid) +int bla_rx(struct bat_priv *bat_priv, struct sk_buff *skb, short vid, + bool is_bcast) { struct ethhdr *ethhdr; struct claim search_claim, *claim = NULL; @@ -1380,7 +1382,7 @@ int bla_rx(struct bat_priv *bat_priv, struct sk_buff *skb, short vid) if (unlikely(atomic_read(&bat_priv->bla_num_requests))) /* don't allow broadcasts while requests are in flight */ - if (is_multicast_ether_addr(ethhdr->h_dest)) + if (is_multicast_ether_addr(ethhdr->h_dest) && is_bcast) goto handled; memcpy(search_claim.addr, ethhdr->h_source, ETH_ALEN); @@ -1406,8 +1408,13 @@ int bla_rx(struct bat_priv *bat_priv, struct sk_buff *skb, short vid) } /* if it is a broadcast ... */ - if (is_multicast_ether_addr(ethhdr->h_dest)) { - /* ... drop it. the responsible gateway is in charge. */ + if (is_multicast_ether_addr(ethhdr->h_dest) && is_bcast) { + /* ... drop it. the responsible gateway is in charge. + * + * We need to check is_bcast because with the gateway + * feature, broadcasts (like DHCP requests) may be sent + * using a unicast packet type. + */ goto handled; } else { /* seems the client considers us as its best gateway. diff --git a/net/batman-adv/bridge_loop_avoidance.h b/net/batman-adv/bridge_loop_avoidance.h index e39f93acc28..dc5227b398d 100644 --- a/net/batman-adv/bridge_loop_avoidance.h +++ b/net/batman-adv/bridge_loop_avoidance.h @@ -23,7 +23,8 @@ #define _NET_BATMAN_ADV_BLA_H_ #ifdef CONFIG_BATMAN_ADV_BLA -int bla_rx(struct bat_priv *bat_priv, struct sk_buff *skb, short vid); +int bla_rx(struct bat_priv *bat_priv, struct sk_buff *skb, short vid, + bool is_bcast); int bla_tx(struct bat_priv *bat_priv, struct sk_buff *skb, short vid); int bla_is_backbone_gw(struct sk_buff *skb, struct orig_node *orig_node, int hdr_size); @@ -41,7 +42,7 @@ void bla_free(struct bat_priv *bat_priv); #else /* ifdef CONFIG_BATMAN_ADV_BLA */ static inline int bla_rx(struct bat_priv *bat_priv, struct sk_buff *skb, - short vid) + short vid, bool is_bcast) { return 0; } diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c index 840e2c64a30..015471d801b 100644 --- a/net/batman-adv/routing.c +++ b/net/batman-adv/routing.c @@ -617,6 +617,8 @@ int recv_tt_query(struct sk_buff *skb, struct hard_iface *recv_if) * changes */ if (skb_linearize(skb) < 0) goto out; + /* skb_linearize() possibly changed skb->data */ + tt_query = (struct tt_query_packet *)skb->data; tt_len = tt_query->tt_data * sizeof(struct tt_change); diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c index 6e2530b0204..a0ec0e4ada4 100644 --- a/net/batman-adv/soft-interface.c +++ b/net/batman-adv/soft-interface.c @@ -256,7 +256,11 @@ void interface_rx(struct net_device *soft_iface, struct bat_priv *bat_priv = netdev_priv(soft_iface); struct ethhdr *ethhdr; struct vlan_ethhdr *vhdr; + struct batman_header *batadv_header = (struct batman_header *)skb->data; short vid __maybe_unused = -1; + bool is_bcast; + + is_bcast = (batadv_header->packet_type == BAT_BCAST); /* check if enough space is available for pulling, and pull */ if (!pskb_may_pull(skb, hdr_size)) @@ -302,7 +306,7 @@ void interface_rx(struct net_device *soft_iface, /* Let the bridge loop avoidance check the packet. If will * not handle it, we can safely push it up. */ - if (bla_rx(bat_priv, skb, vid)) + if (bla_rx(bat_priv, skb, vid, is_bcast)) goto out; netif_rx(skb); diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c index a66c2dcd108..2ab83d7fb1f 100644 --- a/net/batman-adv/translation-table.c +++ b/net/batman-adv/translation-table.c @@ -141,13 +141,14 @@ static void tt_orig_list_entry_free_rcu(struct rcu_head *rcu) struct tt_orig_list_entry *orig_entry; orig_entry = container_of(rcu, struct tt_orig_list_entry, rcu); - atomic_dec(&orig_entry->orig_node->tt_size); orig_node_free_ref(orig_entry->orig_node); kfree(orig_entry); } static void tt_orig_list_entry_free_ref(struct tt_orig_list_entry *orig_entry) { + /* to avoid race conditions, immediately decrease the tt counter */ + atomic_dec(&orig_entry->orig_node->tt_size); call_rcu(&orig_entry->rcu, tt_orig_list_entry_free_rcu); } @@ -910,7 +911,6 @@ void tt_global_del_orig(struct bat_priv *bat_priv, } spin_unlock_bh(list_lock); } - atomic_set(&orig_node->tt_size, 0); orig_node->tt_initialised = false; } @@ -2031,10 +2031,10 @@ bool is_ap_isolated(struct bat_priv *bat_priv, uint8_t *src, uint8_t *dst) { struct tt_local_entry *tt_local_entry = NULL; struct tt_global_entry *tt_global_entry = NULL; - bool ret = true; + bool ret = false; if (!atomic_read(&bat_priv->ap_isolation)) - return false; + goto out; tt_local_entry = tt_local_hash_find(bat_priv, dst); if (!tt_local_entry) @@ -2044,10 +2044,10 @@ bool is_ap_isolated(struct bat_priv *bat_priv, uint8_t *src, uint8_t *dst) if (!tt_global_entry) goto out; - if (_is_ap_isolated(tt_local_entry, tt_global_entry)) + if (!_is_ap_isolated(tt_local_entry, tt_global_entry)) goto out; - ret = false; + ret = true; out: if (tt_global_entry) diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c index 46e7f86acfc..3e18af4dadc 100644 --- a/ |