diff options
Diffstat (limited to 'net')
-rw-r--r-- | net/ax25/af_ax25.c | 9 | ||||
-rw-r--r-- | net/caif/chnl_net.c | 9 | ||||
-rw-r--r-- | net/core/dev.c | 20 | ||||
-rw-r--r-- | net/core/drop_monitor.c | 1 | ||||
-rw-r--r-- | net/core/net_namespace.c | 33 | ||||
-rw-r--r-- | net/ipv4/tcp_input.c | 1 | ||||
-rw-r--r-- | net/ipv4/tcp_output.c | 1 | ||||
-rw-r--r-- | net/ipv6/addrconf.c | 9 | ||||
-rw-r--r-- | net/ipv6/ip6_fib.c | 9 | ||||
-rw-r--r-- | net/ipv6/ndisc.c | 3 | ||||
-rw-r--r-- | net/ipv6/route.c | 71 | ||||
-rw-r--r-- | net/ipv6/tcp_ipv6.c | 4 | ||||
-rw-r--r-- | net/key/af_key.c | 2 | ||||
-rw-r--r-- | net/l2tp/l2tp_ip.c | 5 | ||||
-rw-r--r-- | net/mac80211/ibss.c | 4 | ||||
-rw-r--r-- | net/mac80211/rx.c | 10 | ||||
-rw-r--r-- | net/phonet/pn_dev.c | 21 | ||||
-rw-r--r-- | net/sched/sch_gred.c | 7 | ||||
-rw-r--r-- | net/sunrpc/clnt.c | 50 | ||||
-rw-r--r-- | net/sunrpc/rpc_pipe.c | 3 | ||||
-rw-r--r-- | net/sunrpc/sunrpc_syms.c | 17 | ||||
-rw-r--r-- | net/wireless/util.c | 2 |
22 files changed, 175 insertions, 116 deletions
diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c index 0906c194a41..9d9a6a3edbd 100644 --- a/net/ax25/af_ax25.c +++ b/net/ax25/af_ax25.c @@ -2011,16 +2011,17 @@ static void __exit ax25_exit(void) proc_net_remove(&init_net, "ax25_route"); proc_net_remove(&init_net, "ax25"); proc_net_remove(&init_net, "ax25_calls"); - ax25_rt_free(); - ax25_uid_free(); - ax25_dev_free(); - ax25_unregister_sysctl(); unregister_netdevice_notifier(&ax25_dev_notifier); + ax25_unregister_sysctl(); dev_remove_pack(&ax25_packet_type); sock_unregister(PF_AX25); proto_unregister(&ax25_proto); + + ax25_rt_free(); + ax25_uid_free(); + ax25_dev_free(); } module_exit(ax25_exit); diff --git a/net/caif/chnl_net.c b/net/caif/chnl_net.c index 20618dd3088..d09340e1523 100644 --- a/net/caif/chnl_net.c +++ b/net/caif/chnl_net.c @@ -103,6 +103,7 @@ static int chnl_recv_cb(struct cflayer *layr, struct cfpkt *pkt) skb->protocol = htons(ETH_P_IPV6); break; default: + kfree_skb(skb); priv->netdev->stats.rx_errors++; return -EINVAL; } @@ -220,14 +221,16 @@ static int chnl_net_start_xmit(struct sk_buff *skb, struct net_device *dev) if (skb->len > priv->netdev->mtu) { pr_warn("Size of skb exceeded MTU\n"); + kfree_skb(skb); dev->stats.tx_errors++; - return -ENOSPC; + return NETDEV_TX_OK; } if (!priv->flowenabled) { pr_debug("dropping packets flow off\n"); + kfree_skb(skb); dev->stats.tx_dropped++; - return NETDEV_TX_BUSY; + return NETDEV_TX_OK; } if (priv->conn_req.protocol == CAIFPROTO_DATAGRAM_LOOP) @@ -242,7 +245,7 @@ static int chnl_net_start_xmit(struct sk_buff *skb, struct net_device *dev) result = priv->chnl.dn->transmit(priv->chnl.dn, pkt); if (result) { dev->stats.tx_dropped++; - return result; + return NETDEV_TX_OK; } /* Update statistics. */ diff --git a/net/core/dev.c b/net/core/dev.c index c25d453b280..9bb8f87c4cd 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -1409,14 +1409,34 @@ EXPORT_SYMBOL(register_netdevice_notifier); * register_netdevice_notifier(). The notifier is unlinked into the * kernel structures and may then be reused. A negative errno code * is returned on a failure. + * + * After unregistering unregister and down device events are synthesized + * for all devices on the device list to the removed notifier to remove + * the need for special case cleanup code. */ int unregister_netdevice_notifier(struct notifier_block *nb) { + struct net_device *dev; + struct net *net; int err; rtnl_lock(); err = raw_notifier_chain_unregister(&netdev_chain, nb); + if (err) + goto unlock; + + for_each_net(net) { + for_each_netdev(net, dev) { + if (dev->flags & IFF_UP) { + nb->notifier_call(nb, NETDEV_GOING_DOWN, dev); + nb->notifier_call(nb, NETDEV_DOWN, dev); + } + nb->notifier_call(nb, NETDEV_UNREGISTER, dev); + nb->notifier_call(nb, NETDEV_UNREGISTER_BATCH, dev); + } + } +unlock: rtnl_unlock(); return err; } diff --git a/net/core/drop_monitor.c b/net/core/drop_monitor.c index 7f36b38e060..5c3c81a609e 100644 --- a/net/core/drop_monitor.c +++ b/net/core/drop_monitor.c @@ -150,6 +150,7 @@ static void trace_drop_common(struct sk_buff *skb, void *location) for (i = 0; i < msg->entries; i++) { if (!memcmp(&location, msg->points[i].pc, sizeof(void *))) { msg->points[i].count++; + atomic_inc(&data->dm_hit_count); goto out; } } diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c index 0e950fda9a0..31a5ae51a45 100644 --- a/net/core/net_namespace.c +++ b/net/core/net_namespace.c @@ -83,21 +83,29 @@ assign: static int ops_init(const struct pernet_operations *ops, struct net *net) { - int err; + int err = -ENOMEM; + void *data = NULL; + if (ops->id && ops->size) { - void *data = kzalloc(ops->size, GFP_KERNEL); + data = kzalloc(ops->size, GFP_KERNEL); if (!data) - return -ENOMEM; + goto out; err = net_assign_generic(net, *ops->id, data); - if (err) { - kfree(data); - return err; - } + if (err) + goto cleanup; } + err = 0; if (ops->init) - return ops->init(net); - return 0; + err = ops->init(net); + if (!err) + return 0; + +cleanup: + kfree(data); + +out: + return err; } static void ops_free(const struct pernet_operations *ops, struct net *net) @@ -448,12 +456,7 @@ static void __unregister_pernet_operations(struct pernet_operations *ops) static int __register_pernet_operations(struct list_head *list, struct pernet_operations *ops) { - int err = 0; - err = ops_init(ops, &init_net); - if (err) - ops_free(ops, &init_net); - return err; - + return ops_init(ops, &init_net); } static void __unregister_pernet_operations(struct pernet_operations *ops) diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 9944c1d9a21..3ff36406537 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -335,6 +335,7 @@ static void tcp_grow_window(struct sock *sk, const struct sk_buff *skb) incr = __tcp_grow_window(sk, skb); if (incr) { + incr = max_t(int, incr, 2 * skb->len); tp->rcv_ssthresh = min(tp->rcv_ssthresh + incr, tp->window_clamp); inet_csk(sk)->icsk_ack.quick |= 1; diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 376b2cfbb68..7ac6423117a 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -1096,6 +1096,7 @@ static void __pskb_trim_head(struct sk_buff *skb, int len) eat = min_t(int, len, skb_headlen(skb)); if (eat) { __skb_pull(skb, eat); + skb->avail_size -= eat; len -= eat; if (!len) return; diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 6a3bb6077e1..7d5cb975cc6 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -803,8 +803,7 @@ static void ipv6_del_addr(struct inet6_ifaddr *ifp) ip6_del_rt(rt); rt = NULL; } else if (!(rt->rt6i_flags & RTF_EXPIRES)) { - rt->dst.expires = expires; - rt->rt6i_flags |= RTF_EXPIRES; + rt6_set_expires(rt, expires); } } dst_release(&rt->dst); @@ -1887,11 +1886,9 @@ void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len, bool sllao) rt = NULL; } else if (addrconf_finite_timeout(rt_expires)) { /* not infinity */ - rt->dst.expires = jiffies + rt_expires; - rt->rt6i_flags |= RTF_EXPIRES; + rt6_set_expires(rt, jiffies + rt_expires); } else { - rt->rt6i_flags &= ~RTF_EXPIRES; - rt->dst.expires = 0; + rt6_clean_expires(rt); } } else if (valid_lft) { clock_t expires = 0; diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c index 5b27fbcae34..93717435013 100644 --- a/net/ipv6/ip6_fib.c +++ b/net/ipv6/ip6_fib.c @@ -673,11 +673,10 @@ static int fib6_add_rt2node(struct fib6_node *fn, struct rt6_info *rt, &rt->rt6i_gateway)) { if (!(iter->rt6i_flags & RTF_EXPIRES)) return -EEXIST; - iter->dst.expires = rt->dst.expires; - if (!(rt->rt6i_flags & RTF_EXPIRES)) { - iter->rt6i_flags &= ~RTF_EXPIRES; - iter->dst.expires = 0; - } + if (!(rt->rt6i_flags & RTF_EXPIRES)) + rt6_clean_expires(iter); + else + rt6_set_expires(iter, rt->dst.expires); return -EEXIST; } } diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c index 3dcdb81ec3e..176b469322a 100644 --- a/net/ipv6/ndisc.c +++ b/net/ipv6/ndisc.c @@ -1264,8 +1264,7 @@ static void ndisc_router_discovery(struct sk_buff *skb) } if (rt) - rt->dst.expires = jiffies + (HZ * lifetime); - + rt6_set_expires(rt, jiffies + (HZ * lifetime)); if (ra_msg->icmph.icmp6_hop_limit) { in6_dev->cnf.hop_limit = ra_msg->icmph.icmp6_hop_limit; if (rt) diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 3992e26a603..bc4888d902b 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -62,7 +62,7 @@ #include <linux/sysctl.h> #endif -static struct rt6_info *ip6_rt_copy(const struct rt6_info *ort, +static struct rt6_info *ip6_rt_copy(struct rt6_info *ort, const struct in6_addr *dest); static struct dst_entry *ip6_dst_check(struct dst_entry *dst, u32 cookie); static unsigned int ip6_default_advmss(const struct dst_entry *dst); @@ -285,6 +285,10 @@ static void ip6_dst_destroy(struct dst_entry *dst) rt->rt6i_idev = NULL; in6_dev_put(idev); } + + if (!(rt->rt6i_flags & RTF_EXPIRES) && dst->from) + dst_release(dst->from); + if (peer) { rt->rt6i_peer = NULL; inet_putpeer(peer); @@ -329,8 +333,17 @@ static void ip6_dst_ifdown(struct dst_entry *dst, struct net_device *dev, static __inline__ int rt6_check_expired(const struct rt6_info *rt) { - return (rt->rt6i_flags & RTF_EXPIRES) && - time_after(jiffies, rt->dst.expires); + struct rt6_info *ort = NULL; + + if (rt->rt6i_flags & RTF_EXPIRES) { + if (time_after(jiffies, rt->dst.expires)) + return 1; + } else if (rt->dst.from) { + ort = (struct rt6_info *) rt->dst.from; + return (ort->rt6i_flags & RTF_EXPIRES) && + time_after(jiffies, ort->dst.expires); + } + return 0; } static inline int rt6_need_strict(const struct in6_addr *daddr) @@ -620,12 +633,11 @@ int rt6_route_rcv(struct net_device *dev, u8 *opt, int len, (rt->rt6i_flags & ~RTF_PREF_MASK) | RTF_PREF(pref); if (rt) { - if (!addrconf_finite_timeout(lifetime)) { - rt->rt6i_flags &= ~RTF_EXPIRES; - } else { - rt->dst.expires = jiffies + HZ * lifetime; - rt->rt6i_flags |= RTF_EXPIRES; - } + if (!addrconf_finite_timeout(lifetime)) + rt6_clean_expires(rt); + else + rt6_set_expires(rt, jiffies + HZ * lifetime); + dst_release(&rt->dst); } return 0; @@ -730,7 +742,7 @@ int ip6_ins_rt(struct rt6_info *rt) return __ip6_ins_rt(rt, &info); } -static struct rt6_info *rt6_alloc_cow(const struct rt6_info *ort, +static struct rt6_info *rt6_alloc_cow(struct rt6_info *ort, const struct in6_addr *daddr, const struct in6_addr *saddr) { @@ -954,10 +966,10 @@ struct dst_entry *ip6_blackhole_route(struct net *net, struct dst_entry *dst_ori rt->rt6i_idev = ort->rt6i_idev; if (rt->rt6i_idev) in6_dev_hold(rt->rt6i_idev); - rt->dst.expires = 0; rt->rt6i_gateway = ort->rt6i_gateway; - rt->rt6i_flags = ort->rt6i_flags & ~RTF_EXPIRES; + rt->rt6i_flags = ort->rt6i_flags; + rt6_clean_expires(rt); rt->rt6i_metric = 0; memcpy(&rt->rt6i_dst, &ort->rt6i_dst, sizeof(struct rt6key)); @@ -1019,10 +1031,9 @@ static void ip6_link_failure(struct sk_buff *skb) rt = (struct rt6_info *) skb_dst(skb); if (rt) { - if (rt->rt6i_flags & RTF_CACHE) { - dst_set_expires(&rt->dst, 0); - rt->rt6i_flags |= RTF_EXPIRES; - } else if (rt->rt6i_node && (rt->rt6i_flags & RTF_DEFAULT)) + if (rt->rt6i_flags & RTF_CACHE) + rt6_update_expires(rt, 0); + else if (rt->rt6i_node && (rt->rt6i_flags & RTF_DEFAULT)) rt->rt6i_node->fn_sernum = -1; } } @@ -1289,9 +1300,12 @@ int ip6_route_add(struct fib6_config *cfg) } rt->dst.obsolete = -1; - rt->dst.expires = (cfg->fc_flags & RTF_EXPIRES) ? - jiffies + clock_t_to_jiffies(cfg->fc_expires) : - 0; + + if (cfg->fc_flags & RTF_EXPIRES) + rt6_set_expires(rt, jiffies + + clock_t_to_jiffies(cfg->fc_expires)); + else + rt6_clean_expires(rt); if (cfg->fc_protocol == RTPROT_UNSPEC) cfg->fc_protocol = RTPROT_BOOT; @@ -1736,8 +1750,8 @@ again: features |= RTAX_FEATURE_ALLFRAG; dst_metric_set(&rt->dst, RTAX_FEATURES, features); } - dst_set_expires(&rt->dst, net->ipv6.sysctl.ip6_rt_mtu_expires); - rt->rt6i_flags |= RTF_MODIFIED|RTF_EXPIRES; + rt6_update_expires(rt, net->ipv6.sysctl.ip6_rt_mtu_expires); + rt->rt6i_flags |= RTF_MODIFIED; goto out; } @@ -1765,9 +1779,8 @@ again: * which is 10 mins. After 10 mins the decreased pmtu is expired * and detecting PMTU increase will be automatically happened. */ - dst_set_expires(&nrt->dst, net->ipv6.sysctl.ip6_rt_mtu_expires); - nrt->rt6i_flags |= RTF_DYNAMIC|RTF_EXPIRES; - + rt6_update_expires(nrt, net->ipv6.sysctl.ip6_rt_mtu_expires); + nrt->rt6i_flags |= RTF_DYNAMIC; ip6_ins_rt(nrt); } out: @@ -1799,7 +1812,7 @@ void rt6_pmtu_discovery(const struct in6_addr *daddr, const struct in6_addr *sad * Misc support functions */ -static struct rt6_info *ip6_rt_copy(const struct rt6_info *ort, +static struct rt6_info *ip6_rt_copy(struct rt6_info *ort, const struct in6_addr *dest) { struct net *net = dev_net(ort->dst.dev); @@ -1819,10 +1832,14 @@ static struct rt6_info *ip6_rt_copy(const struct rt6_info *ort, if (rt->rt6i_idev) in6_dev_hold(rt->rt6i_idev); rt->dst.lastuse = jiffies; - rt->dst.expires = 0; rt->rt6i_gateway = ort->rt6i_gateway; - rt->rt6i_flags = ort->rt6i_flags & ~RTF_EXPIRES; + rt->rt6i_flags = ort->rt6i_flags; + if ((ort->rt6i_flags & (RTF_DEFAULT | RTF_ADDRCONF)) == + (RTF_DEFAULT | RTF_ADDRCONF)) + rt6_set_from(rt, ort); + else + rt6_clean_expires(rt); rt->rt6i_metric = 0; #ifdef CONFIG_IPV6_SUBTREES diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 86cfe6005f4..98256cf72f9 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -1383,6 +1383,10 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb, tcp_mtup_init(newsk); tcp_sync_mss(newsk, dst_mtu(dst)); newtp->advmss = dst_metric_advmss(dst); + if (tcp_sk(sk)->rx_opt.user_mss && + tcp_sk(sk)->rx_opt.user_mss < newtp->advmss) + newtp->advmss = tcp_sk(sk)->rx_opt.user_mss; + tcp_initialize_rcv_mss(newsk); if (tcp_rsk(req)->snt_synack) tcp_valid_rtt_meas(newsk, diff --git a/net/key/af_key.c b/net/key/af_key.c index 11dbb2255cc..7e5d927b576 100644 --- a/net/key/af_key.c +++ b/net/key/af_key.c @@ -3480,7 +3480,7 @@ static int pfkey_send_migrate(const struct xfrm_selector *sel, u8 dir, u8 type, /* Addresses to be used by KM for negotiation, if ext is available */ if (k != NULL && (set_sadb_kmaddress(skb, k) < 0)) - return -EINVAL; + goto err; /* selector src */ set_sadb_address(skb, sasize_sel, SADB_EXT_ADDRESS_SRC, sel); diff --git a/net/l2tp/l2tp_ip.c b/net/l2tp/l2tp_ip.c index 55670ec3cd0..585d93ecee2 100644 --- a/net/l2tp/l2tp_ip.c +++ b/net/l2tp/l2tp_ip.c @@ -232,7 +232,7 @@ static void l2tp_ip_close(struct sock *sk, long timeout) { write_lock_bh(&l2tp_ip_lock); hlist_del_init(&sk->sk_bind_node); - hlist_del_init(&sk->sk_node); + sk_del_node_init(sk); write_unlock_bh(&l2tp_ip_lock); sk_common_release(sk); } @@ -271,7 +271,8 @@ static int l2tp_ip_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len) chk_addr_ret != RTN_MULTICAST && chk_addr_ret != RTN_BROADCAST) goto out; - inet->inet_rcv_saddr = inet->inet_saddr = addr->l2tp_addr.s_addr; + if (addr->l2tp_addr.s_addr) + inet->inet_rcv_saddr = inet->inet_saddr = addr->l2tp_addr.s_addr; if (chk_addr_ret == RTN_MULTICAST || chk_addr_ret == RTN_BROADCAST) inet->inet_saddr = 0; /* Use device */ sk_dst_reset(sk); diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c index 33fd8d9f714..cef7c29214a 100644 --- a/net/mac80211/ibss.c +++ b/net/mac80211/ibss.c @@ -457,8 +457,8 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata, * fall back to HT20 if we don't use or use * the other extension channel */ - if ((channel_type == NL80211_CHAN_HT40MINUS || - channel_type == NL80211_CHAN_HT40PLUS) && + if (!(channel_type == NL80211_CHAN_HT40MINUS || + channel_type == NL80211_CHAN_HT40PLUS) || channel_type != sdata->u.ibss.channel_type) sta_ht_cap_new.cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index bcfe8c77c83..d64e285400a 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -103,7 +103,7 @@ static void ieee80211_add_rx_radiotap_header(struct ieee80211_local *local, struct sk_buff *skb, struct ieee80211_rate *rate, - int rtap_len) + int rtap_len, bool has_fcs) { struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb); struct ieee80211_radiotap_header *rthdr; @@ -134,7 +134,7 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local, } /* IEEE80211_RADIOTAP_FLAGS */ - if (local->hw.flags & IEEE80211_HW_RX_INCLUDES_FCS) + if (has_fcs && (local->hw.flags & IEEE80211_HW_RX_INCLUDES_FCS)) *pos |= IEEE80211_RADIOTAP_F_FCS; if (status->flag & (RX_FLAG_FAILED_FCS_CRC | RX_FLAG_FAILED_PLCP_CRC)) *pos |= IEEE80211_RADIOTAP_F_BADFCS; @@ -294,7 +294,8 @@ ieee80211_rx_monitor(struct ieee80211_local *local, struct sk_buff *origskb, } /* prepend radiotap information */ - ieee80211_add_rx_radiotap_header(local, skb, rate, needed_headroom); + ieee80211_add_rx_radiotap_header(local, skb, rate, needed_headroom, + true); skb_reset_mac_header(skb); skb->ip_summed = CHECKSUM_UNNECESSARY; @@ -2571,7 +2572,8 @@ static void ieee80211_rx_cooked_monitor(struct ieee80211_rx_data *rx, goto out_free_skb; /* prepend radiotap information */ - ieee80211_add_rx_radiotap_header(local, skb, rate, needed_headroom); + ieee80211_add_rx_radiotap_header(local, skb, rate, needed_headroom, + false); skb_set_mac_header(skb, 0); skb->ip_summed = CHECKSUM_UNNECESSARY; diff --git a/net/phonet/pn_dev.c b/net/phonet/pn_dev.c index 9b9a85ecc4c..bf5cf69c820 100644 --- a/net/phonet/pn_dev.c +++ b/net/phonet/pn_dev.c @@ -331,23 +331,6 @@ static int __net_init phonet_init_net(struct net *net) static void __net_exit phonet_exit_net(struct net *net) { - struct phonet_net *pnn = phonet_pernet(net); - struct net_device *dev; - unsigned i; - - rtnl_lock(); - for_each_netdev(net, dev) - phonet_device_destroy(dev); - - for (i = 0; i < 64; i++) { - dev = pnn->routes.table[i]; - if (dev) { - rtm_phonet_notify(RTM_DELROUTE, dev, i); - dev_put(dev); - } - } - rtnl_unlock(); - proc_net_remove(net, "phonet"); } @@ -361,7 +344,7 @@ static struct pernet_operations phonet_net_ops = { /* Initialize Phonet devices list */ int __init phonet_device_init(void) { - int err = register_pernet_device(&phonet_net_ops); + int err = register_pernet_subsys(&phonet_net_ops); if (err) return err; @@ -377,7 +360,7 @@ void phonet_device_exit(void) { rtnl_unregister_all(PF_PHONET); unregister_netdevice_notifier(&phonet_device_notifier); - unregister_pernet_device(&phonet_net_ops); + unregister_pernet_subsys(&phonet_net_ops); proc_net_remove(&init_net, "pnresource"); } diff --git a/net/sched/sch_gred.c b/net/sched/sch_gred.c index 0b15236be7b..8179494c269 100644 --- a/net/sched/sch_gred.c +++ b/net/sched/sch_gred.c @@ -565,11 +565,8 @@ static int gred_dump(struct Qdisc *sch, struct sk_buff *skb) opt.packets = q->packetsin; opt.bytesin = q->bytesin; - if (gred_wred_mode(table)) { - q->vars.qidlestart = - table->tab[table->def]->vars.qidlestart; - q->vars.qavg = table->tab[table->def]->vars.qavg; - } + if (gred_wred_mode(table)) + gred_load_wred_set(table, q); opt.qave = red_calc_qavg(&q->parms, &q->vars, q->vars.qavg); diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c index 67972462a54..adf2990aceb 100644 --- a/net/sunrpc/clnt.c +++ b/net/sunrpc/clnt.c @@ -176,16 +176,22 @@ rpc_setup_pipedir(struct rpc_clnt *clnt, const char *dir_name) return 0; } -static int __rpc_pipefs_event(struct rpc_clnt *clnt, unsigned long event, - struct super_block *sb) +static inline int rpc_clnt_skip_event(struct rpc_clnt *clnt, unsigned long event) +{ + if (((event == RPC_PIPEFS_MOUNT) && clnt->cl_dentry) || + ((event == RPC_PIPEFS_UMOUNT) && !clnt->cl_dentry)) + return 1; + return 0; +} + +static int __rpc_clnt_handle_event(struct rpc_clnt *clnt, unsigned long event, + struct super_block *sb) { struct dentry *dentry; int err = 0; switch (event) { case RPC_PIPEFS_MOUNT: - if (clnt->cl_program->pipe_dir_name == NULL) - break; dentry = rpc_setup_pipedir_sb(sb, clnt, clnt->cl_program->pipe_dir_name); BUG_ON(dentry == NULL); @@ -208,6 +214,20 @@ static int __rpc_pipefs_event(struct rpc_clnt *clnt, unsigned long event, return err; } +static int __rpc_pipefs_event(struct rpc_clnt *clnt, unsigned long event, + struct super_block *sb) +{ + int error = 0; + + for (;; clnt = clnt->cl_parent) { + if (!rpc_clnt_skip_event(clnt, event)) + error = __rpc_clnt_handle_event(clnt, event, sb); + if (error || clnt == clnt->cl_parent) + break; + } + return error; +} + static struct rpc_clnt *rpc_get_client_for_event(struct net *net, int event) { struct sunrpc_net *sn = net_generic(net, sunrpc_net_id); @@ -215,10 +235,12 @@ static struct rpc_clnt *rpc_get_client_for_event(struct net *net, int event) spin_lock(&sn->rpc_client_lock); list_for_each_entry(clnt, &sn->all_clients, cl_clients) { - if (((event == RPC_PIPEFS_MOUNT) && clnt->cl_dentry) || - ((event == RPC_PIPEFS_UMOUNT) && !clnt->cl_dentry)) + if (clnt->cl_program->pipe_dir_name == NULL) + break; + if (rpc_clnt_skip_event(clnt, event)) + continue; + if (atomic_inc_not_zero(&clnt->cl_count) == 0) continue; - atomic_inc(&clnt->cl_count); spin_unlock(&sn->rpc_client_lock); return clnt; } @@ -257,6 +279,14 @@ void rpc_clients_notifier_unregister(void) return rpc_pipefs_notifier_unregister(&rpc_clients_block); } +static void rpc_clnt_set_nodename(struct rpc_clnt *clnt, const char *nodename) +{ + clnt->cl_nodelen = strlen(nodename); + if (clnt->cl_nodelen > UNX_MAXNODENAME) + clnt->cl_nodelen = UNX_MAXNODENAME; + memcpy(clnt->cl_nodename, nodename, clnt->cl_nodelen); +} + static struct rpc_clnt * rpc_new_client(const struct rpc_create_args *args, struct rpc_xprt *xprt) { const struct rpc_program *program = args->program; @@ -337,10 +367,7 @@ static struct rpc_clnt * rpc_new_client(const struct rpc_create_args *args, stru } /* save the nodename */ - clnt->cl_nodelen = strlen(init_utsname()->nodename); - if (clnt->cl_nodelen > UNX_MAXNODENAME) - clnt->cl_nodelen = UNX_MAXNODENAME; - memcpy(clnt->cl_nodename, init_utsname()->nodename, clnt->cl_nodelen); + rpc_clnt_set_nodename(clnt, utsname()->nodename); rpc_register_client(clnt); return clnt; @@ -499,6 +526,7 @@ rpc_clone_client(struct rpc_clnt *clnt) err = rpc_setup_pipedir(new, clnt->cl_program->pipe_dir_name); if (err != 0) goto out_no_path; + rpc_clnt_set_nodename(new, utsname()->nodename); if (new->cl_auth) atomic_inc(&new->cl_auth->au_count); atomic_inc(&clnt->cl_count); diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c index 0af37fc4681..3b62cf28803 100644 --- a/net/sunrpc/rpc_pipe.c +++ b/net/sunrpc/rpc_pipe.c @@ -1126,19 +1126,20 @@ rpc_fill_super(struct super_block *sb, void *data, int silent) return -ENOMEM; dprintk("RPC: sending pipefs MOUNT notification for net %p%s\n", net, NET_NAME(net)); + sn->pipefs_sb = sb; err = blocking_notifier_call_chain(&rpc_pipefs_notifier_list, RPC_PIPEFS_MOUNT, sb); if (err) goto err_depopulate; sb->s_fs_info = get_net(net); - sn->pipefs_sb = sb; return 0; err_depopulate: blocking_notifier_call_chain(&rpc_pipefs_notifier_list, RPC_PIPEFS_UMOUNT, sb); + sn->pipefs_sb = NULL; __rpc_depopulate(root, files, RPCAUTH_lockd, RPCAUTH_RootEOF); return err; } diff --git a/net/sunrpc/sunrpc_syms.c b/net/sunrpc/sunrpc_syms.c index 8adfc88e793..3d6498af9ad 100644 --- a/net/sunrpc/sunrpc_syms.c +++ b/net/sunrpc/sunrpc_syms.c @@ -75,20 +75,21 @@ static struct pernet_operations sunrpc_net_ops = { static int __init init_sunrpc(void) { - int err = register_rpc_pipefs(); + int err = rpc_init_mempool(); if (err) goto out; - err = rpc_init_mempool(); - if (err) - goto out2; err = rpcauth_init_module(); if (err) - goto out3; + goto out2; cache_initialize(); err = register_pernet_subsys(&sunrpc_net_ops); if (err) + goto out3; + + err = register_rpc_pipefs(); + if (err) goto out4; #ifdef RPC_DEBUG rpc_register_sysctl(); @@ -98,11 +99,11 @@ init_sunrpc(void) return 0; out4: - rpcauth_remove_module(); + unregister_pernet_subsys(&sunrpc_net_ops); out3: - rpc_destroy_mempool(); + rpcauth_remove_module(); out2: - unregister_rpc_pipefs(); + rpc_destroy_mempool(); out: return err; } diff --git a/net/wireless/util.c b/net/wireless/util.c index 1b7a08df933..957f2562161 100644 --- a/net/wireless/util.c +++ b/net/wireless/util.c @@ -989,7 +989,7 @@ int cfg80211_can_change_interface(struct cfg80211_registered_device *rdev, if (rdev->wiphy.software_iftypes & BIT(iftype)) continue; for (j = 0; j < c->n_limits; j++) { - if (!(limits[j].types & iftype)) + if (!(limits[j].types & BIT(iftype))) continue; if (limits[j].max < num[iftype]) goto cont; |