diff options
Diffstat (limited to 'net')
-rw-r--r-- | net/core/dev.c | 8 | ||||
-rw-r--r-- | net/core/request_sock.c | 2 | ||||
-rw-r--r-- | net/ipv4/tcp.c | 15 | ||||
-rw-r--r-- | net/ipv4/tcp_input.c | 4 | ||||
-rw-r--r-- | net/ipv6/addrconf.c | 27 | ||||
-rw-r--r-- | net/iucv/iucv.c | 2 | ||||
-rw-r--r-- | net/sunrpc/clnt.c | 2 | ||||
-rw-r--r-- | net/sunrpc/sched.c | 3 | ||||
-rw-r--r-- | net/sunrpc/xprt.c | 12 | ||||
-rw-r--r-- | net/wireless/core.c | 3 |
10 files changed, 47 insertions, 31 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index 515473ee52cb..f64e439b4a00 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -6121,6 +6121,14 @@ struct netdev_queue *dev_ingress_queue_create(struct net_device *dev) static const struct ethtool_ops default_ethtool_ops; +void netdev_set_default_ethtool_ops(struct net_device *dev, + const struct ethtool_ops *ops) +{ + if (dev->ethtool_ops == &default_ethtool_ops) + dev->ethtool_ops = ops; +} +EXPORT_SYMBOL_GPL(netdev_set_default_ethtool_ops); + /** * alloc_netdev_mqs - allocate network device * @sizeof_priv: size of private data to allocate space for diff --git a/net/core/request_sock.c b/net/core/request_sock.c index c31d9e8668c3..4425148d2b51 100644 --- a/net/core/request_sock.c +++ b/net/core/request_sock.c @@ -186,8 +186,6 @@ void reqsk_fastopen_remove(struct sock *sk, struct request_sock *req, struct fastopen_queue *fastopenq = inet_csk(lsk)->icsk_accept_queue.fastopenq; - BUG_ON(!spin_is_locked(&sk->sk_lock.slock) && !sock_owned_by_user(sk)); - tcp_sk(sk)->fastopen_rsk = NULL; spin_lock_bh(&fastopenq->lock); fastopenq->qlen--; diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 1ca253635f7a..2aa69c8ae60c 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -1428,12 +1428,12 @@ static void tcp_service_net_dma(struct sock *sk, bool wait) } #endif -static inline struct sk_buff *tcp_recv_skb(struct sock *sk, u32 seq, u32 *off) +static struct sk_buff *tcp_recv_skb(struct sock *sk, u32 seq, u32 *off) { struct sk_buff *skb; u32 offset; - skb_queue_walk(&sk->sk_receive_queue, skb) { + while ((skb = skb_peek(&sk->sk_receive_queue)) != NULL) { offset = seq - TCP_SKB_CB(skb)->seq; if (tcp_hdr(skb)->syn) offset--; @@ -1441,6 +1441,11 @@ static inline struct sk_buff *tcp_recv_skb(struct sock *sk, u32 seq, u32 *off) *off = offset; return skb; } + /* This looks weird, but this can happen if TCP collapsing + * splitted a fat GRO packet, while we released socket lock + * in skb_splice_bits() + */ + sk_eat_skb(sk, skb, false); } return NULL; } @@ -1482,7 +1487,7 @@ int tcp_read_sock(struct sock *sk, read_descriptor_t *desc, break; } used = recv_actor(desc, skb, offset, len); - if (used < 0) { + if (used <= 0) { if (!copied) copied = used; break; @@ -1520,8 +1525,10 @@ int tcp_read_sock(struct sock *sk, read_descriptor_t *desc, tcp_rcv_space_adjust(sk); /* Clean up data we have read: This will do ACK frames. */ - if (copied > 0) + if (copied > 0) { + tcp_recv_skb(sk, seq, &offset); tcp_cleanup_rbuf(sk, copied); + } return copied; } EXPORT_SYMBOL(tcp_read_sock); diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index a28e4db8a952..18f97ca76b00 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -5543,7 +5543,7 @@ slow_path: if (len < (th->doff << 2) || tcp_checksum_complete_user(sk, skb)) goto csum_error; - if (!th->ack) + if (!th->ack && !th->rst) goto discard; /* @@ -5988,7 +5988,7 @@ int tcp_rcv_state_process(struct sock *sk, struct sk_buff *skb, goto discard; } - if (!th->ack) + if (!th->ack && !th->rst) goto discard; if (!tcp_validate_incoming(sk, skb, th, 0)) diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 408cac4ae00a..420e56326384 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -154,6 +154,11 @@ static void addrconf_type_change(struct net_device *dev, unsigned long event); static int addrconf_ifdown(struct net_device *dev, int how); +static struct rt6_info *addrconf_get_prefix_route(const struct in6_addr *pfx, + int plen, + const struct net_device *dev, + u32 flags, u32 noflags); + static void addrconf_dad_start(struct inet6_ifaddr *ifp); static void addrconf_dad_timer(unsigned long data); static void addrconf_dad_completed(struct inet6_ifaddr *ifp); @@ -250,12 +255,6 @@ static inline bool addrconf_qdisc_ok(const struct net_device *dev) return !qdisc_tx_is_noop(dev); } -/* Check if a route is valid prefix route */ -static inline int addrconf_is_prefix_route(const struct rt6_info *rt) -{ - return (rt->rt6i_flags & (RTF_GATEWAY | RTF_DEFAULT)) == 0; -} - static void addrconf_del_timer(struct inet6_ifaddr *ifp) { if (del_timer(&ifp->timer)) @@ -941,17 +940,15 @@ static void ipv6_del_addr(struct inet6_ifaddr *ifp) if ((ifp->flags & IFA_F_PERMANENT) && onlink < 1) { struct in6_addr prefix; struct rt6_info *rt; - struct net *net = dev_net(ifp->idev->dev); - struct flowi6 fl6 = {}; ipv6_addr_prefix(&prefix, &ifp->addr, ifp->prefix_len); - fl6.flowi6_oif = ifp->idev->dev->ifindex; - fl6.daddr = prefix; - rt = (struct rt6_info *)ip6_route_lookup(net, &fl6, - RT6_LOOKUP_F_IFACE); - if (rt != net->ipv6.ip6_null_entry && - addrconf_is_prefix_route(rt)) { + rt = addrconf_get_prefix_route(&prefix, + ifp->prefix_len, + ifp->idev->dev, + 0, RTF_GATEWAY | RTF_DEFAULT); + + if (rt) { if (onlink == 0) { ip6_del_rt(rt); rt = NULL; @@ -1877,7 +1874,7 @@ static struct rt6_info *addrconf_get_prefix_route(const struct in6_addr *pfx, continue; if ((rt->rt6i_flags & flags) != flags) continue; - if ((noflags != 0) && ((rt->rt6i_flags & flags) != 0)) + if ((rt->rt6i_flags & noflags) != 0) continue; dst_hold(&rt->dst); break; diff --git a/net/iucv/iucv.c b/net/iucv/iucv.c index 3ad1f9db5f8b..df082508362d 100644 --- a/net/iucv/iucv.c +++ b/net/iucv/iucv.c @@ -1806,7 +1806,7 @@ static void iucv_external_interrupt(struct ext_code ext_code, struct iucv_irq_data *p; struct iucv_irq_list *work; - kstat_cpu(smp_processor_id()).irqs[EXTINT_IUC]++; + inc_irq_stat(IRQEXT_IUC); p = iucv_irq_data[smp_processor_id()]; if (p->ippathid >= iucv_max_pathid) { WARN_ON(p->ippathid >= iucv_max_pathid); diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c index 1915ffe598e3..507b5e84fbdb 100644 --- a/net/sunrpc/clnt.c +++ b/net/sunrpc/clnt.c @@ -555,7 +555,7 @@ EXPORT_SYMBOL_GPL(rpc_clone_client); * rpc_clone_client_set_auth - Clone an RPC client structure and set its auth * * @clnt: RPC client whose parameters are copied - * @auth: security flavor for new client + * @flavor: security flavor for new client * * Returns a fresh RPC client or an ERR_PTR. */ diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c index b4133bd13915..bfa31714581f 100644 --- a/net/sunrpc/sched.c +++ b/net/sunrpc/sched.c @@ -972,8 +972,7 @@ static void rpc_async_release(struct work_struct *work) static void rpc_release_resources_task(struct rpc_task *task) { - if (task->tk_rqstp) - xprt_release(task); + xprt_release(task); if (task->tk_msg.rpc_cred) { put_rpccred(task->tk_msg.rpc_cred); task->tk_msg.rpc_cred = NULL; diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c index bd462a532acf..33811db8788a 100644 --- a/net/sunrpc/xprt.c +++ b/net/sunrpc/xprt.c @@ -1136,10 +1136,18 @@ static void xprt_request_init(struct rpc_task *task, struct rpc_xprt *xprt) void xprt_release(struct rpc_task *task) { struct rpc_xprt *xprt; - struct rpc_rqst *req; + struct rpc_rqst *req = task->tk_rqstp; - if (!(req = task->tk_rqstp)) + if (req == NULL) { + if (task->tk_client) { + rcu_read_lock(); + xprt = rcu_dereference(task->tk_client->cl_xprt); + if (xprt->snd_task == task) + xprt_release_write(xprt, task); + rcu_read_unlock(); + } return; + } xprt = req->rq_xprt; if (task->tk_ops->rpc_count_stats != NULL) diff --git a/net/wireless/core.c b/net/wireless/core.c index 14d990400354..b677eab55b68 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -866,8 +866,7 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb, /* allow mac80211 to determine the timeout */ wdev->ps_timeout = -1; - if (!dev->ethtool_ops) - dev->ethtool_ops = &cfg80211_ethtool_ops; + netdev_set_default_ethtool_ops(dev, &cfg80211_ethtool_ops); if ((wdev->iftype == NL80211_IFTYPE_STATION || wdev->iftype == NL80211_IFTYPE_P2P_CLIENT || |