diff options
Diffstat (limited to 'net')
-rw-r--r-- | net/caif/caif_socket.c | 10 | ||||
-rw-r--r-- | net/caif/cfmuxl.c | 12 | ||||
-rw-r--r-- | net/ceph/ceph_common.c | 2 | ||||
-rw-r--r-- | net/ceph/mon_client.c | 13 | ||||
-rw-r--r-- | net/core/dev.c | 10 | ||||
-rw-r--r-- | net/core/ethtool.c | 2 | ||||
-rw-r--r-- | net/core/netpoll.c | 2 | ||||
-rw-r--r-- | net/core/netprio_cgroup.c | 15 | ||||
-rw-r--r-- | net/core/sock.c | 7 | ||||
-rw-r--r-- | net/ipv4/Kconfig | 2 | ||||
-rw-r--r-- | net/ipv4/arp.c | 3 | ||||
-rw-r--r-- | net/ipv4/ip_options.c | 2 | ||||
-rw-r--r-- | net/ipv4/sysctl_net_ipv4.c | 6 | ||||
-rw-r--r-- | net/ipv4/tcp.c | 23 | ||||
-rw-r--r-- | net/ipv4/tcp_input.c | 45 | ||||
-rw-r--r-- | net/ipv4/tcp_ipv4.c | 5 | ||||
-rw-r--r-- | net/ipv4/tcp_timer.c | 5 | ||||
-rw-r--r-- | net/rxrpc/ar-key.c | 4 | ||||
-rw-r--r-- | net/sched/sch_choke.c | 3 | ||||
-rw-r--r-- | net/sched/sch_netem.c | 3 | ||||
-rw-r--r-- | net/sched/sch_sfb.c | 3 | ||||
-rw-r--r-- | net/sched/sch_sfq.c | 5 | ||||
-rw-r--r-- | net/sunrpc/auth_generic.c | 17 |
23 files changed, 118 insertions, 81 deletions
diff --git a/net/caif/caif_socket.c b/net/caif/caif_socket.c index a9862808645..a97d97a3a51 100644 --- a/net/caif/caif_socket.c +++ b/net/caif/caif_socket.c @@ -539,8 +539,10 @@ static int transmit_skb(struct sk_buff *skb, struct caifsock *cf_sk, pkt = cfpkt_fromnative(CAIF_DIR_OUT, skb); memset(skb->cb, 0, sizeof(struct caif_payload_info)); - if (cf_sk->layer.dn == NULL) + if (cf_sk->layer.dn == NULL) { + kfree_skb(skb); return -EINVAL; + } return cf_sk->layer.dn->transmit(cf_sk->layer.dn, pkt); } @@ -683,10 +685,10 @@ static int caif_stream_sendmsg(struct kiocb *kiocb, struct socket *sock, } err = transmit_skb(skb, cf_sk, msg->msg_flags&MSG_DONTWAIT, timeo); - if (err < 0) { - kfree_skb(skb); + if (err < 0) + /* skb is already freed */ goto pipe_err; - } + sent += size; } diff --git a/net/caif/cfmuxl.c b/net/caif/cfmuxl.c index b36f24a4c8e..94b08612a4d 100644 --- a/net/caif/cfmuxl.c +++ b/net/caif/cfmuxl.c @@ -248,7 +248,6 @@ static void cfmuxl_ctrlcmd(struct cflayer *layr, enum caif_ctrlcmd ctrl, { struct cfmuxl *muxl = container_obj(layr); struct cflayer *layer; - int idx; rcu_read_lock(); list_for_each_entry_rcu(layer, &muxl->srvl_list, node) { @@ -257,14 +256,9 @@ static void cfmuxl_ctrlcmd(struct cflayer *layr, enum caif_ctrlcmd ctrl, if ((ctrl == _CAIF_CTRLCMD_PHYIF_DOWN_IND || ctrl == CAIF_CTRLCMD_REMOTE_SHUTDOWN_IND) && - layer->id != 0) { - - idx = layer->id % UP_CACHE_SIZE; - spin_lock_bh(&muxl->receive_lock); - RCU_INIT_POINTER(muxl->up_cache[idx], NULL); - list_del_rcu(&layer->node); - spin_unlock_bh(&muxl->receive_lock); - } + layer->id != 0) + cfmuxl_remove_uplayer(layr, layer->id); + /* NOTE: ctrlcmd is not allowed to block */ layer->ctrlcmd(layer, ctrl, phyid); } diff --git a/net/ceph/ceph_common.c b/net/ceph/ceph_common.c index 97f70e50ad3..761ad9d6cc3 100644 --- a/net/ceph/ceph_common.c +++ b/net/ceph/ceph_common.c @@ -85,8 +85,6 @@ int ceph_check_fsid(struct ceph_client *client, struct ceph_fsid *fsid) } else { pr_info("client%lld fsid %pU\n", ceph_client_id(client), fsid); memcpy(&client->fsid, fsid, sizeof(*fsid)); - ceph_debugfs_client_init(client); - client->have_fsid = true; } return 0; } diff --git a/net/ceph/mon_client.c b/net/ceph/mon_client.c index 0b62deae42b..1845cde2622 100644 --- a/net/ceph/mon_client.c +++ b/net/ceph/mon_client.c @@ -8,8 +8,8 @@ #include <linux/ceph/mon_client.h> #include <linux/ceph/libceph.h> +#include <linux/ceph/debugfs.h> #include <linux/ceph/decode.h> - #include <linux/ceph/auth.h> /* @@ -340,8 +340,19 @@ static void ceph_monc_handle_map(struct ceph_mon_client *monc, client->monc.monmap = monmap; kfree(old); + if (!client->have_fsid) { + client->have_fsid = true; + mutex_unlock(&monc->mutex); + /* + * do debugfs initialization without mutex to avoid + * creating a locking dependency + */ + ceph_debugfs_client_init(client); + goto out_unlocked; + } out: mutex_unlock(&monc->mutex); +out_unlocked: wake_up_all(&client->auth_wq); } diff --git a/net/core/dev.c b/net/core/dev.c index 115dee1d985..6ca32f6b310 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -3500,14 +3500,20 @@ static inline gro_result_t __napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb) { struct sk_buff *p; + unsigned int maclen = skb->dev->hard_header_len; for (p = napi->gro_list; p; p = p->next) { unsigned long diffs; diffs = (unsigned long)p->dev ^ (unsigned long)skb->dev; diffs |= p->vlan_tci ^ skb->vlan_tci; - diffs |= compare_ether_header(skb_mac_header(p), - skb_gro_mac_header(skb)); + if (maclen == ETH_HLEN) + diffs |= compare_ether_header(skb_mac_header(p), + skb_gro_mac_header(skb)); + else if (!diffs) + diffs = memcmp(skb_mac_header(p), + skb_gro_mac_header(skb), + maclen); NAPI_GRO_CB(p)->same_flow = !diffs; NAPI_GRO_CB(p)->flush = 0; } diff --git a/net/core/ethtool.c b/net/core/ethtool.c index 369b4189452..3f79db1b612 100644 --- a/net/core/ethtool.c +++ b/net/core/ethtool.c @@ -1190,6 +1190,8 @@ static noinline_for_stack int ethtool_flash_device(struct net_device *dev, if (!dev->ethtool_ops->flash_device) return -EOPNOTSUPP; + efl.data[ETHTOOL_FLASH_MAX_FILENAME - 1] = 0; + return dev->ethtool_ops->flash_device(dev, &efl); } diff --git a/net/core/netpoll.c b/net/core/netpoll.c index 556b0829866..ddefc513b44 100644 --- a/net/core/netpoll.c +++ b/net/core/netpoll.c @@ -194,7 +194,7 @@ static void netpoll_poll_dev(struct net_device *dev) poll_napi(dev); - if (dev->priv_flags & IFF_SLAVE) { + if (dev->flags & IFF_SLAVE) { if (dev->npinfo) { struct net_device *bond_dev = dev->master; struct sk_buff *skb; diff --git a/net/core/netprio_cgroup.c b/net/core/netprio_cgroup.c index 3a9fd4826b7..4dacc44637e 100644 --- a/net/core/netprio_cgroup.c +++ b/net/core/netprio_cgroup.c @@ -58,11 +58,12 @@ static int get_prioidx(u32 *prio) spin_lock_irqsave(&prioidx_map_lock, flags); prioidx = find_first_zero_bit(prioidx_map, sizeof(unsigned long) * PRIOIDX_SZ); + if (prioidx == sizeof(unsigned long) * PRIOIDX_SZ) { + spin_unlock_irqrestore(&prioidx_map_lock, flags); + return -ENOSPC; + } set_bit(prioidx, prioidx_map); spin_unlock_irqrestore(&prioidx_map_lock, flags); - if (prioidx == sizeof(unsigned long) * PRIOIDX_SZ) - return -ENOSPC; - atomic_set(&max_prioidx, prioidx); *prio = prioidx; return 0; @@ -107,7 +108,7 @@ static void extend_netdev_table(struct net_device *dev, u32 new_len) static void update_netdev_tables(void) { struct net_device *dev; - u32 max_len = atomic_read(&max_prioidx); + u32 max_len = atomic_read(&max_prioidx) + 1; struct netprio_map *map; rtnl_lock(); @@ -270,7 +271,6 @@ static int netprio_device_event(struct notifier_block *unused, { struct net_device *dev = ptr; struct netprio_map *old; - u32 max_len = atomic_read(&max_prioidx); /* * Note this is called with rtnl_lock held so we have update side @@ -278,11 +278,6 @@ static int netprio_device_event(struct notifier_block *unused, */ switch (event) { - - case NETDEV_REGISTER: - if (max_len) - extend_netdev_table(dev, max_len); - break; case NETDEV_UNREGISTER: old = rtnl_dereference(dev->priomap); RCU_INIT_POINTER(dev->priomap, NULL); diff --git a/net/core/sock.c b/net/core/sock.c index 3e81fd2e3c7..02f8dfe320b 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -1171,13 +1171,10 @@ EXPORT_SYMBOL(sock_update_classid); void sock_update_netprioidx(struct sock *sk) { - struct cgroup_netprio_state *state; if (in_interrupt()) return; - rcu_read_lock(); - state = task_netprio_state(current); - sk->sk_cgrp_prioidx = state ? state->prioidx : 0; - rcu_read_unlock(); + + sk->sk_cgrp_prioidx = task_netprioidx(current); } EXPORT_SYMBOL_GPL(sock_update_netprioidx); #endif diff --git a/net/ipv4/Kconfig b/net/ipv4/Kconfig index aa2a2c79776..d183262943d 100644 --- a/net/ipv4/Kconfig +++ b/net/ipv4/Kconfig @@ -409,7 +409,7 @@ config INET_TCP_DIAG config INET_UDP_DIAG tristate "UDP: socket monitoring interface" - depends on INET_DIAG + depends on INET_DIAG && (IPV6 || IPV6=n) default n ---help--- Support for UDP socket monitoring interface used by the ss tool. diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c index 59402be133f..63e49890ad3 100644 --- a/net/ipv4/arp.c +++ b/net/ipv4/arp.c @@ -863,7 +863,8 @@ static int arp_process(struct sk_buff *skb) if (addr_type == RTN_UNICAST && (arp_fwd_proxy(in_dev, dev, rt) || arp_fwd_pvlan(in_dev, dev, rt, sip, tip) || - pneigh_lookup(&arp_tbl, net, &tip, dev, 0))) { + (rt->dst.dev != dev && + pneigh_lookup(&arp_tbl, net, &tip, dev, 0)))) { n = neigh_event_ns(&arp_tbl, sha, &sip, dev); if (n) neigh_release(n); diff --git a/net/ipv4/ip_options.c b/net/ipv4/ip_options.c index 1e60f767907..42dd1a90ede 100644 --- a/net/ipv4/ip_options.c +++ b/net/ipv4/ip_options.c @@ -573,8 +573,8 @@ void ip_forward_options(struct sk_buff *skb) } if (srrptr + 3 <= srrspace) { opt->is_changed = 1; - ip_rt_get_source(&optptr[srrptr-1], skb, rt); ip_hdr(skb)->daddr = opt->nexthop; + ip_rt_get_source(&optptr[srrptr-1], skb, rt); optptr[2] = srrptr+4; } else if (net_ratelimit()) printk(KERN_CRIT "ip_forward(): Argh! Destination lost!\n"); diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c index 4cb9cd2f2c3..7a7724da9bf 100644 --- a/net/ipv4/sysctl_net_ipv4.c +++ b/net/ipv4/sysctl_net_ipv4.c @@ -778,7 +778,6 @@ EXPORT_SYMBOL_GPL(net_ipv4_ctl_path); static __net_init int ipv4_sysctl_init_net(struct net *net) { struct ctl_table *table; - unsigned long limit; table = ipv4_net_table; if (!net_eq(net, &init_net)) { @@ -815,11 +814,6 @@ static __net_init int ipv4_sysctl_init_net(struct net *net) net->ipv4.sysctl_rt_cache_rebuild_count = 4; tcp_init_mem(net); - limit = nr_free_buffer_pages() / 8; - limit = max(limit, 128UL); - net->ipv4.sysctl_tcp_mem[0] = limit / 4 * 3; - net->ipv4.sysctl_tcp_mem[1] = limit; - net->ipv4.sysctl_tcp_mem[2] = net->ipv4.sysctl_tcp_mem[0] * 2; net->ipv4.ipv4_hdr = register_net_sysctl_table(net, net_ipv4_ctl_path, table); diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 06373b4a449..37755ccc0e9 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -1876,6 +1876,20 @@ void tcp_shutdown(struct sock *sk, int how) } EXPORT_SYMBOL(tcp_shutdown); +bool tcp_check_oom(struct sock *sk, int shift) +{ + bool too_many_orphans, out_of_socket_memory; + + too_many_orphans = tcp_too_many_orphans(sk, shift); + out_of_socket_memory = tcp_out_of_memory(sk); + + if (too_many_orphans && net_ratelimit()) + pr_info("TCP: too many orphaned sockets\n"); + if (out_of_socket_memory && net_ratelimit()) + pr_info("TCP: out of memory -- consider tuning tcp_mem\n"); + return too_many_orphans || out_of_socket_memory; +} + void tcp_close(struct sock *sk, long timeout) { struct sk_buff *skb; @@ -2015,10 +2029,7 @@ adjudge_to_death: } if (sk->sk_state != TCP_CLOSE) { sk_mem_reclaim(sk); - if (tcp_too_many_orphans(sk, 0)) { - if (net_ratelimit()) - printk(KERN_INFO "TCP: too many of orphaned " - "sockets\n"); + if (tcp_check_oom(sk, 0)) { tcp_set_state(sk, TCP_CLOSE); tcp_send_active_reset(sk, GFP_ATOMIC); NET_INC_STATS_BH(sock_net(sk), @@ -3218,7 +3229,6 @@ __setup("thash_entries=", set_thash_entries); void tcp_init_mem(struct net *net) { - /* Set per-socket limits to no more than 1/128 the pressure threshold */ unsigned long limit = nr_free_buffer_pages() / 8; limit = max(limit, 128UL); net->ipv4.sysctl_tcp_mem[0] = limit / 4 * 3; @@ -3287,7 +3297,8 @@ void __init tcp_init(void) sysctl_max_syn_backlog = max(128, cnt / 256); tcp_init_mem(&init_net); - limit = nr_free_buffer_pages() / 8; + /* Set per-socket limits to no more than 1/128 the pressure threshold */ + limit = nr_free_buffer_pages() << (PAGE_SHIFT - 10); limit = max(limit, 128UL); max_share = min(4UL*1024*1024, limit); diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 976034f8232..53c8ce4046b 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -1307,25 +1307,26 @@ static int tcp_match_skb_to_sack(struct sock *sk, struct sk_buff *skb, return in_sack; } -static u8 tcp_sacktag_one(const struct sk_buff *skb, struct sock *sk, - struct tcp_sacktag_state *state, +/* Mark the given newly-SACKed range as such, adjusting counters and hints. */ +static u8 tcp_sacktag_one(struct sock *sk, + struct tcp_sacktag_state *state, u8 sacked, + u32 start_seq, u32 end_seq, int dup_sack, int pcount) { struct tcp_sock *tp = tcp_sk(sk); - u8 sacked = TCP_SKB_CB(skb)->sacked; int fack_count = state->fack_count; /* Account D-SACK for retransmitted packet. */ if (dup_sack && (sacked & TCPCB_RETRANS)) { if (tp->undo_marker && tp->undo_retrans && - after(TCP_SKB_CB(skb)->end_seq, tp->undo_marker)) + after(end_seq, tp->undo_marker)) tp->undo_retrans--; if (sacked & TCPCB_SACKED_ACKED) state->reord = min(fack_count, state->reord); } /* Nothing to do; acked frame is about to be dropped (was ACKed). */ - if (!after(TCP_SKB_CB(skb)->end_seq, tp->snd_una)) + if (!after(end_seq, tp->snd_una)) return sacked; if (!(sacked & TCPCB_SACKED_ACKED)) { @@ -1344,13 +1345,13 @@ static u8 tcp_sacktag_one(const struct sk_buff *skb, struct sock *sk, /* New sack for not retransmitted frame, * which was in hole. It is reordering. */ - if (before(TCP_SKB_CB(skb)->seq, + if (before(start_seq, tcp_highest_sack_seq(tp))) state->reord = min(fack_count, state->reord); /* SACK enhanced F-RTO (RFC4138; Appendix B) */ - if (!after(TCP_SKB_CB(skb)->end_seq, tp->frto_highmark)) + if (!after(end_seq, tp->frto_highmark)) state->flag |= FLAG_ONLY_ORIG_SACKED; } @@ -1368,8 +1369,7 @@ static u8 tcp_sacktag_one(const struct sk_buff *skb, struct sock *sk, /* Lost marker hint past SACKed? Tweak RFC3517 cnt */ if (!tcp_is_fack(tp) && (tp->lost_skb_hint != NULL) && - before(TCP_SKB_CB(skb)->seq, - TCP_SKB_CB(tp->lost_skb_hint)->seq)) + before(start_seq, TCP_SKB_CB(tp->lost_skb_hint)->seq)) tp->lost_cnt_hint += pcount; if (fack_count > tp->fackets_out) @@ -1388,6 +1388,9 @@ static u8 tcp_sacktag_one(const struct sk_buff *skb, struct sock *sk, return sacked; } +/* Shift newly-SACKed bytes from this skb to the immediately previous + * already-SACKed sk_buff. Mark the newly-SACKed bytes as such. + */ static int tcp_shifted_skb(struct sock *sk, struct sk_buff *skb, struct tcp_sacktag_state *state, unsigned int pcount, int shifted, int mss, @@ -1395,10 +1398,13 @@ static int tcp_shifted_skb(struct sock *sk, struct sk_buff *skb, { struct tcp_sock *tp = tcp_sk(sk); struct sk_buff *prev = tcp_write_queue_prev(sk, skb); + u32 start_seq = TCP_SKB_CB(skb)->seq; /* start of newly-SACKed */ + u32 end_seq = start_seq + shifted; /* end of newly-SACKed */ BUG_ON(!pcount); - if (skb == tp->lost_skb_hint) + /* Adjust hint for FACK. Non-FACK is handled in tcp_sacktag_one(). */ + if (tcp_is_fack(tp) && (skb == tp->lost_skb_hint)) tp->lost_cnt_hint += pcount; TCP_SKB_CB(prev)->end_seq += shifted; @@ -1424,8 +1430,11 @@ static int tcp_shifted_skb(struct sock *sk, struct sk_buff *skb, skb_shinfo(skb)->gso_type = 0; } - /* We discard results */ - tcp_sacktag_one(skb, sk, state, dup_sack, pcount); + /* Adjust counters and hints for the newly sacked sequence range but + * discard the return value since prev is already marked. + */ + tcp_sacktag_one(sk, state, TCP_SKB_CB(skb)->sacked, + start_seq, end_seq, dup_sack, pcount); /* Difference in this won't matter, both ACKed by the same cumul. ACK */ TCP_SKB_CB(prev)->sacked |= (TCP_SKB_CB(skb)->sacked & TCPCB_EVER_RETRANS); @@ -1664,10 +1673,14 @@ static struct sk_buff *tcp_sacktag_walk(struct sk_buff *skb, struct sock *sk, break; if (in_sack) { - TCP_SKB_CB(skb)->sacked = tcp_sacktag_one(skb, sk, - state, - dup_sack, - tcp_skb_pcount(skb)); + TCP_SKB_CB(skb)->sacked = + tcp_sacktag_one(sk, + state, + TCP_SKB_CB(skb)->sacked, + TCP_SKB_CB(skb)->seq, + TCP_SKB_CB(skb)->end_seq, + dup_sack, + tcp_skb_pcount(skb)); if (!before(TCP_SKB_CB(skb)->seq, tcp_highest_sack_seq(tp))) diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 337ba4cca05..94d683a61cb 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -651,6 +651,11 @@ static void tcp_v4_send_reset(struct sock *sk, struct sk_buff *skb) arg.iov[0].iov_len, IPPROTO_TCP, 0); arg.csumoffset = offsetof(struct tcphdr, check) / 2; arg.flags = (sk && inet_sk(sk)->transparent) ? IP_REPLY_ARG_NOSRCCHECK : 0; + /* When socket is gone, all binding information is lost. + * routing might fail in this case. using iif for oif to + * make sure we can deliver it + */ + arg.bound_dev_if = sk ? sk->sk_bound_dev_if : inet_iif(skb); net = dev_net(skb_dst(skb)->dev); arg.tos = ip_hdr(skb)->tos; diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c index a516d1e399d..cd2e0723266 100644 --- a/net/ipv4/tcp_timer.c +++ b/net/ipv4/tcp_timer.c @@ -77,10 +77,7 @@ static int tcp_out_of_resources(struct sock *sk, int do_reset) if (sk->sk_err_soft) shift++; - if (tcp_too_many_orphans(sk, shift)) { - if (net_ratelimit()) - printk(KERN_INFO "Out of socket memory\n"); - + if (tcp_check_oom(sk, shift)) { /* Catch exceptional cases, when connection requires reset. * 1. Last segment was sent recently. */ if ((s32)(tcp_time_stamp - tp->lsndtime) <= TCP_TIMEWAIT_LEN || diff --git a/net/rxrpc/ar-key.c b/net/rxrpc/ar-key.c index 4cba13e46ff..ae3a035f539 100644 --- a/net/rxrpc/ar-key.c +++ b/net/rxrpc/ar-key.c @@ -232,7 +232,7 @@ static int rxrpc_krb5_decode_principal(struct krb5_principal *princ, if (toklen <= (n_parts + 1) * 4) return -EINVAL; - princ->name_parts = kcalloc(sizeof(char *), n_parts, GFP_KERNEL); + princ->name_parts = kcalloc(n_parts, sizeof(char *), GFP_KERNEL); if (!princ->name_parts) return -ENOMEM; @@ -355,7 +355,7 @@ static int rxrpc_krb5_decode_tagged_array(struct krb5_tagged_data **_td, _debug("n_elem %d", n_elem); - td = kcalloc(sizeof(struct krb5_tagged_data), n_elem, + td = kcalloc(n_elem, sizeof(struct krb5_tagged_data), GFP_KERNEL); if (!td) return -ENOMEM; diff --git a/net/sched/sch_choke.c b/net/sched/sch_choke.c index e465064d39a..7e267d7b9c7 100644 --- a/net/sched/sch_choke.c +++ b/net/sched/sch_choke.c @@ -148,8 +148,7 @@ struct choke_skb_cb { static inline struct choke_skb_cb *choke_skb_cb(const struct sk_buff *skb) { - BUILD_BUG_ON(sizeof(skb->cb) < - sizeof(struct qdisc_skb_cb) + sizeof(struct choke_skb_cb)); + qdisc_cb_private_validate(skb, sizeof(struct choke_skb_cb)); return (struct choke_skb_cb *)qdisc_skb_cb(skb)->data; } diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c index 2776012132e..e83d61ca78c 100644 --- a/net/sched/sch_netem.c +++ b/net/sched/sch_netem.c @@ -130,8 +130,7 @@ struct netem_skb_cb { static inline struct netem_skb_cb *netem_skb_cb(struct sk_buff *skb) { - BUILD_BUG_ON(sizeof(skb->cb) < - sizeof(struct qdisc_skb_cb) + sizeof(struct netem_skb_cb)); + qdisc_cb_private_validate(skb, sizeof(struct netem_skb_cb)); return (struct netem_skb_cb *)qdisc_skb_cb(skb)->data; } diff --git a/net/sched/sch_sfb.c b/net/sched/sch_sfb.c index 96e42cae4c7..d7eea99333e 100644 --- a/net/sched/sch_sfb.c +++ b/net/sched/sch_sfb.c @@ -94,8 +94,7 @@ struct sfb_skb_cb { static inline struct sfb_skb_cb *sfb_skb_cb(const struct sk_buff *skb) { - BUILD_BUG_ON(sizeof(skb->cb) < - sizeof(struct qdisc_skb_cb) + sizeof(struct sfb_skb_cb)); + qdisc_cb_private_validate(skb, sizeof(struct sfb_skb_cb)); return (struct sfb_skb_cb *)qdisc_skb_cb(skb)->data; } diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c index 67494aef9ac..60d47180f04 100644 --- a/net/sched/sch_sfq.c +++ b/net/sched/sch_sfq.c @@ -166,9 +166,8 @@ struct sfq_skb_cb { static inline struct sfq_skb_cb *sfq_skb_cb(const struct sk_buff *skb) { - BUILD_BUG_ON(sizeof(skb->cb) < - sizeof(struct qdisc_skb_cb) + sizeof(struct sfq_skb_cb)); - return (struct sfq_skb_cb *)qdisc_skb_cb(skb)->data; + qdisc_cb_private_validate(skb, sizeof(struct sfq_skb_cb)); + return (struct sfq_skb_cb *)qdisc_skb_cb(skb)->data; } static unsigned int sfq_hash(const struct sfq_sched_data *q, diff --git a/net/sunrpc/auth_generic.c b/net/sunrpc/auth_generic.c index 1426ec3d0a5..75762f34697 100644 --- a/net/sunrpc/auth_generic.c +++ b/net/sunrpc/auth_generic.c @@ -92,6 +92,7 @@ generic_create_cred(struct rpc_auth *auth, struct auth_cred *acred, int flags) if (gcred->acred.group_info != NULL) get_group_info(gcred->acred.group_info); gcred->acred.machine_cred = acred->machine_cred; + gcred->acred.principal = acred->principal; dprintk("RPC: allocated %s cred %p for uid %d gid %d\n", gcred->acred.machine_cred ? "machine" : "generic", @@ -123,6 +124,17 @@ generic_destroy_cred(struct rpc_cred *cred) call_rcu(&cred->cr_rcu, generic_free_cred_callback); } +static int +machine_cred_match(struct auth_cred *acred, struct generic_cred *gcred, int flags) +{ + if (!gcred->acred.machine_cred || + gcred->acred.principal != acred->principal || + gcred->acred.uid != acred->uid || + gcred->acred.gid != acred->gid) + return 0; + return 1; +} + /* * Match credentials against current process creds. */ @@ -132,9 +144,12 @@ generic_match(struct auth_cred *acred, struct rpc_cred *cred, int flags) struct generic_cred *gcred = container_of(cred, struct generic_cred, gc_base); int i; + if (acred->machine_cred) + return machine_cred_match(acred, gcred, flags); + if (gcred->acred.uid != acred->uid || gcred->acred.gid != acred->gid || - gcred->acred.machine_cred != acred->machine_cred) + gcred->acred.machine_cred != 0) goto out_nomatch; /* Optimisation in the case where pointers are identical... */ |