diff options
Diffstat (limited to 'net')
48 files changed, 320 insertions, 245 deletions
diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c index 3e2f91ffa4e2..05dd35114a27 100644 --- a/net/batman-adv/soft-interface.c +++ b/net/batman-adv/soft-interface.c @@ -565,7 +565,7 @@ static int interface_tx(struct sk_buff *skb, struct net_device *soft_iface) struct orig_node *orig_node = NULL; int data_len = skb->len, ret; short vid = -1; - bool do_bcast = false; + bool do_bcast; if (atomic_read(&bat_priv->mesh_state) != MESH_ACTIVE) goto dropped; @@ -598,15 +598,15 @@ static int interface_tx(struct sk_buff *skb, struct net_device *soft_iface) tt_local_add(soft_iface, ethhdr->h_source); orig_node = transtable_search(bat_priv, ethhdr->h_dest); - if (is_multicast_ether_addr(ethhdr->h_dest) || - (orig_node && orig_node->gw_flags)) { + do_bcast = is_multicast_ether_addr(ethhdr->h_dest); + if (do_bcast || (orig_node && orig_node->gw_flags)) { ret = gw_is_target(bat_priv, skb, orig_node); if (ret < 0) goto dropped; - if (ret == 0) - do_bcast = true; + if (ret) + do_bcast = false; } /* ethernet packet should be broadcasted */ diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index a40170e022e8..7ef4eb4435fb 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -58,8 +58,8 @@ static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb) if (status) return; - if (test_bit(HCI_MGMT, &hdev->flags) && - test_and_clear_bit(HCI_INQUIRY, &hdev->flags)) + if (test_and_clear_bit(HCI_INQUIRY, &hdev->flags) && + test_bit(HCI_MGMT, &hdev->flags)) mgmt_discovering(hdev->id, 0); hci_req_complete(hdev, HCI_OP_INQUIRY_CANCEL, status); @@ -76,8 +76,8 @@ static void hci_cc_exit_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb) if (status) return; - if (test_bit(HCI_MGMT, &hdev->flags) && - test_and_clear_bit(HCI_INQUIRY, &hdev->flags)) + if (test_and_clear_bit(HCI_INQUIRY, &hdev->flags) && + test_bit(HCI_MGMT, &hdev->flags)) mgmt_discovering(hdev->id, 0); hci_conn_check_pending(hdev); @@ -959,9 +959,8 @@ static inline void hci_cs_inquiry(struct hci_dev *hdev, __u8 status) return; } - if (test_bit(HCI_MGMT, &hdev->flags) && - !test_and_set_bit(HCI_INQUIRY, - &hdev->flags)) + if (!test_and_set_bit(HCI_INQUIRY, &hdev->flags) && + test_bit(HCI_MGMT, &hdev->flags)) mgmt_discovering(hdev->id, 1); } @@ -1340,8 +1339,8 @@ static inline void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff BT_DBG("%s status %d", hdev->name, status); - if (test_bit(HCI_MGMT, &hdev->flags) && - test_and_clear_bit(HCI_INQUIRY, &hdev->flags)) + if (test_and_clear_bit(HCI_INQUIRY, &hdev->flags) && + test_bit(HCI_MGMT, &hdev->flags)) mgmt_discovering(hdev->id, 0); hci_req_complete(hdev, HCI_OP_INQUIRY, status); diff --git a/net/bridge/netfilter/Kconfig b/net/bridge/netfilter/Kconfig index ba6f73eb06c6..a9aff9c7d027 100644 --- a/net/bridge/netfilter/Kconfig +++ b/net/bridge/netfilter/Kconfig @@ -4,7 +4,7 @@ menuconfig BRIDGE_NF_EBTABLES tristate "Ethernet Bridge tables (ebtables) support" - depends on BRIDGE && BRIDGE_NETFILTER + depends on BRIDGE && NETFILTER select NETFILTER_XTABLES help ebtables is a general, extensible frame/packet identification diff --git a/net/caif/caif_dev.c b/net/caif/caif_dev.c index 7c2fa0a08148..7f9ac0742d19 100644 --- a/net/caif/caif_dev.c +++ b/net/caif/caif_dev.c @@ -93,10 +93,14 @@ static struct caif_device_entry *caif_device_alloc(struct net_device *dev) caifdevs = caif_device_list(dev_net(dev)); BUG_ON(!caifdevs); - caifd = kzalloc(sizeof(*caifd), GFP_ATOMIC); + caifd = kzalloc(sizeof(*caifd), GFP_KERNEL); if (!caifd) return NULL; caifd->pcpu_refcnt = alloc_percpu(int); + if (!caifd->pcpu_refcnt) { + kfree(caifd); + return NULL; + } caifd->netdev = dev; dev_hold(dev); return caifd; diff --git a/net/can/af_can.c b/net/can/af_can.c index 8ce926d3b2cb..9b0c32a2690c 100644 --- a/net/can/af_can.c +++ b/net/can/af_can.c @@ -857,7 +857,7 @@ static __exit void can_exit(void) struct net_device *dev; if (stats_timer) - del_timer(&can_stattimer); + del_timer_sync(&can_stattimer); can_remove_proc(); diff --git a/net/can/bcm.c b/net/can/bcm.c index d6c8ae5b2e6a..c84963d2dee6 100644 --- a/net/can/bcm.c +++ b/net/can/bcm.c @@ -344,6 +344,18 @@ static void bcm_send_to_user(struct bcm_op *op, struct bcm_msg_head *head, } } +static void bcm_tx_start_timer(struct bcm_op *op) +{ + if (op->kt_ival1.tv64 && op->count) + hrtimer_start(&op->timer, + ktime_add(ktime_get(), op->kt_ival1), + HRTIMER_MODE_ABS); + else if (op->kt_ival2.tv64) + hrtimer_start(&op->timer, + ktime_add(ktime_get(), op->kt_ival2), + HRTIMER_MODE_ABS); +} + static void bcm_tx_timeout_tsklet(unsigned long data) { struct bcm_op *op = (struct bcm_op *)data; @@ -365,26 +377,12 @@ static void bcm_tx_timeout_tsklet(unsigned long data) bcm_send_to_user(op, &msg_head, NULL, 0); } - } - - if (op->kt_ival1.tv64 && (op->count > 0)) { - - /* send (next) frame */ bcm_can_tx(op); - hrtimer_start(&op->timer, - ktime_add(ktime_get(), op->kt_ival1), - HRTIMER_MODE_ABS); - } else { - if (op->kt_ival2.tv64) { + } else if (op->kt_ival2.tv64) + bcm_can_tx(op); - /* send (next) frame */ - bcm_can_tx(op); - hrtimer_start(&op->timer, - ktime_add(ktime_get(), op->kt_ival2), - HRTIMER_MODE_ABS); - } - } + bcm_tx_start_timer(op); } /* @@ -964,23 +962,20 @@ static int bcm_tx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg, hrtimer_cancel(&op->timer); } - if ((op->flags & STARTTIMER) && - ((op->kt_ival1.tv64 && op->count) || op->kt_ival2.tv64)) { - + if (op->flags & STARTTIMER) { + hrtimer_cancel(&op->timer); /* spec: send can_frame when starting timer */ op->flags |= TX_ANNOUNCE; - - if (op->kt_ival1.tv64 && (op->count > 0)) { - /* op->count-- is done in bcm_tx_timeout_handler */ - hrtimer_start(&op->timer, op->kt_ival1, - HRTIMER_MODE_REL); - } else - hrtimer_start(&op->timer, op->kt_ival2, - HRTIMER_MODE_REL); } - if (op->flags & TX_ANNOUNCE) + if (op->flags & TX_ANNOUNCE) { bcm_can_tx(op); + if (op->count) + op->count--; + } + + if (op->flags & STARTTIMER) + bcm_tx_start_timer(op); return msg_head->nframes * CFSIZ + MHSIZ; } diff --git a/net/ceph/ceph_common.c b/net/ceph/ceph_common.c index 132963abc266..2883ea01e680 100644 --- a/net/ceph/ceph_common.c +++ b/net/ceph/ceph_common.c @@ -232,6 +232,7 @@ void ceph_destroy_options(struct ceph_options *opt) ceph_crypto_key_destroy(opt->key); kfree(opt->key); } + kfree(opt->mon_addr); kfree(opt); } EXPORT_SYMBOL(ceph_destroy_options); diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c index c340e2e0765b..9918e9eb276e 100644 --- a/net/ceph/messenger.c +++ b/net/ceph/messenger.c @@ -2307,6 +2307,7 @@ struct ceph_msg *ceph_msg_new(int type, int front_len, gfp_t flags) m->front_max = front_len; m->front_is_vmalloc = false; m->more_to_follow = false; + m->ack_stamp = 0; m->pool = NULL; /* middle */ diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c index 16836a7df7a6..88ad8a2501b5 100644 --- a/net/ceph/osd_client.c +++ b/net/ceph/osd_client.c @@ -217,6 +217,7 @@ struct ceph_osd_request *ceph_osdc_alloc_request(struct ceph_osd_client *osdc, INIT_LIST_HEAD(&req->r_unsafe_item); INIT_LIST_HEAD(&req->r_linger_item); INIT_LIST_HEAD(&req->r_linger_osd); + INIT_LIST_HEAD(&req->r_req_lru_item); req->r_flags = flags; WARN_ON((flags & (CEPH_OSD_FLAG_READ|CEPH_OSD_FLAG_WRITE)) == 0); @@ -816,13 +817,10 @@ static void __register_request(struct ceph_osd_client *osdc, { req->r_tid = ++osdc->last_tid; req->r_request->hdr.tid = cpu_to_le64(req->r_tid); - INIT_LIST_HEAD(&req->r_req_lru_item); - dout("__register_request %p tid %lld\n", req, req->r_tid); __insert_request(osdc, req); ceph_osdc_get_request(req); osdc->num_requests++; - if (osdc->num_requests == 1) { dout(" first request, scheduling timeout\n"); __schedule_osd_timeout(osdc); diff --git a/net/ceph/osdmap.c b/net/ceph/osdmap.c index e97c3588c3ec..fd863fe76934 100644 --- a/net/ceph/osdmap.c +++ b/net/ceph/osdmap.c @@ -339,6 +339,7 @@ static int __insert_pg_mapping(struct ceph_pg_mapping *new, struct ceph_pg_mapping *pg = NULL; int c; + dout("__insert_pg_mapping %llx %p\n", *(u64 *)&new->pgid, new); while (*p) { parent = *p; pg = rb_entry(parent, struct ceph_pg_mapping, node); @@ -366,16 +367,33 @@ static struct ceph_pg_mapping *__lookup_pg_mapping(struct rb_root *root, while (n) { pg = rb_entry(n, struct ceph_pg_mapping, node); c = pgid_cmp(pgid, pg->pgid); - if (c < 0) + if (c < 0) { n = n->rb_left; - else if (c > 0) + } else if (c > 0) { n = n->rb_right; - else + } else { + dout("__lookup_pg_mapping %llx got %p\n", + *(u64 *)&pgid, pg); return pg; + } } return NULL; } +static int __remove_pg_mapping(struct rb_root *root, struct ceph_pg pgid) +{ + struct ceph_pg_mapping *pg = __lookup_pg_mapping(root, pgid); + + if (pg) { + dout("__remove_pg_mapping %llx %p\n", *(u64 *)&pgid, pg); + rb_erase(&pg->node, root); + kfree(pg); + return 0; + } + dout("__remove_pg_mapping %llx dne\n", *(u64 *)&pgid); + return -ENOENT; +} + /* * rbtree of pg pool info */ @@ -711,7 +729,6 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end, void *start = *p; int err = -EINVAL; u16 version; - struct rb_node *rbp; ceph_decode_16_safe(p, end, version, bad); if (version > CEPH_OSDMAP_INC_VERSION) { @@ -861,7 +878,6 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end, } /* new_pg_temp */ - rbp = rb_first(&map->pg_temp); ceph_decode_32_safe(p, end, len, bad); while (len--) { struct ceph_pg_mapping *pg; @@ -872,18 +888,6 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end, ceph_decode_copy(p, &pgid, sizeof(pgid)); pglen = ceph_decode_32(p); - /* remove any? */ - while (rbp && pgid_cmp(rb_entry(rbp, struct ceph_pg_mapping, - node)->pgid, pgid) <= 0) { - struct ceph_pg_mapping *cur = - rb_entry(rbp, struct ceph_pg_mapping, node); - - rbp = rb_next(rbp); - dout(" removed pg_temp %llx\n", *(u64 *)&cur->pgid); - rb_erase(&cur->node, &map->pg_temp); - kfree(cur); - } - if (pglen) { /* insert */ ceph_decode_need(p, end, pglen*sizeof(u32), bad); @@ -903,17 +907,11 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end, } dout(" added pg_temp %llx len %d\n", *(u64 *)&pgid, pglen); + } else { + /* remove */ + __remove_pg_mapping(&map->pg_temp, pgid); } } - while (rbp) { - struct ceph_pg_mapping *cur = - rb_entry(rbp, struct ceph_pg_mapping, node); - - rbp = rb_next(rbp); - dout(" removed pg_temp %llx\n", *(u64 *)&cur->pgid); - rb_erase(&cur->node, &map->pg_temp); - kfree(cur); - } /* ignore the rest */ *p = end; @@ -1046,10 +1044,25 @@ static int *calc_pg_raw(struct ceph_osdmap *osdmap, struct ceph_pg pgid, struct ceph_pg_mapping *pg; struct ceph_pg_pool_info *pool; int ruleno; - unsigned poolid, ps, pps; + unsigned poolid, ps, pps, t; int preferred; + poolid = le32_to_cpu(pgid.pool); + ps = le16_to_cpu(pgid.ps); + preferred = (s16)le16_to_cpu(pgid.preferred); + + pool = __lookup_pg_pool(&osdmap->pg_pools, poolid); + if (!pool) + return NULL; + /* pg_temp? */ + if (preferred >= 0) + t = ceph_stable_mod(ps, le32_to_cpu(pool->v.lpg_num), + pool->lpgp_num_mask); + else + t = ceph_stable_mod(ps, le32_to_cpu(pool->v.pg_num), + pool->pgp_num_mask); + pgid.ps = cpu_to_le16(t); pg = __lookup_pg_mapping(&osdmap->pg_temp, pgid); if (pg) { *num = pg->len; @@ -1057,18 +1070,6 @@ static int *calc_pg_raw(struct ceph_osdmap *osdmap, struct ceph_pg pgid, } /* crush */ - poolid = le32_to_cpu(pgid.pool); - ps = le16_to_cpu(pgid.ps); - preferred = (s16)le16_to_cpu(pgid.preferred); - - /* don't forcefeed bad device ids to crush */ - if (preferred >= osdmap->max_osd || - preferred >= osdmap->crush->max_devices) - preferred = -1; - - pool = __lookup_pg_pool(&osdmap->pg_pools, poolid); - if (!pool) - return NULL; ruleno = crush_find_rule(osdmap->crush, pool->v.crush_ruleset, pool->v.type, pool->v.size); if (ruleno < 0) { @@ -1078,6 +1079,11 @@ static int *calc_pg_raw(struct ceph_osdmap *osdmap, struct ceph_pg pgid, return NULL; } + /* don't forcefeed bad device ids to crush */ + if (preferred >= osdmap->max_osd || + preferred >= osdmap->crush->max_devices) + preferred = -1; + if (preferred >= 0) pps = ceph_stable_mod(ps, le32_to_cpu(pool->v.lpgp_num), diff --git a/net/core/dev.c b/net/core/dev.c index 17d67b579beb..b10ff0a71855 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -1515,6 +1515,14 @@ static inline bool is_skb_forwardable(struct net_device *dev, */ int dev_forward_skb(struct net_device *dev, struct sk_buff *skb) { + if (skb_shinfo(skb)->tx_flags & SKBTX_DEV_ZEROCOPY) { + if (skb_copy_ubufs(skb, GFP_ATOMIC)) { + atomic_long_inc(&dev->rx_dropped); + kfree_skb(skb); + return NET_RX_DROP; + } + } + skb_orphan(skb); nf_reset(skb); diff --git a/net/core/fib_rules.c b/net/core/fib_rules.c index e7ab0c0285b5..3231b468bb72 100644 --- a/net/core/fib_rules.c +++ b/net/core/fib_rules.c @@ -384,8 +384,8 @@ static int fib_nl_newrule(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg) */ list_for_each_entry(r, &ops->rules_list, list) { if (r->action == FR_ACT_GOTO && - r->target == rule->pref) { - BUG_ON(rtnl_dereference(r->ctarget) != NULL); + r->target == rule->pref && + rtnl_dereference(r->ctarget) == NULL) { rcu_assign_pointer(r->ctarget, rule); if (--ops->unresolved_rules == 0) break; diff --git a/net/core/flow.c b/net/core/flow.c index bf32c33cad3b..555a456efb07 100644 --- a/net/core/flow.c +++ b/net/core/flow.c @@ -30,6 +30,7 @@ struct flow_cache_entry { struct hlist_node hlist; struct list_head gc_list; } u; + struct net *net; u16 family; u8 dir; u32 genid; @@ -172,29 +173,26 @@ static void flow_new_hash_rnd(struct flow_cache *fc, static u32 flow_hash_code(struct flow_cache *fc, struct flow_cache_percpu *fcp, - const struct flowi *key) + const struct flowi *key, + size_t keysize) { const u32 *k = (const u32 *) key; + const u32 length = keysize * sizeof(flow_compare_t) / sizeof(u32); - return jhash2(k, (sizeof(*key) / sizeof(u32)), fcp->hash_rnd) + return jhash2(k, length, fcp->hash_rnd) & (flow_cache_hash_size(fc) - 1); } -typedef unsigned long flow_compare_t; - /* I hear what you're saying, use memcmp. But memcmp cannot make - * important assumptions that we can here, such as alignment and - * constant size. + * important assumptions that we can here, such as alignment. */ -static int flow_key_compare(const struct flowi *key1, const struct flowi *key2) +static int flow_key_compare(const struct flowi *key1, const struct flowi *key2, + size_t keysize) { const flow_compare_t *k1, *k1_lim, *k2; - const int n_elem = sizeof(struct flowi) / sizeof(flow_compare_t); - - BUILD_BUG_ON(sizeof(struct flowi) % sizeof(flow_compare_t)); k1 = (const flow_compare_t *) key1; - k1_lim = k1 + n_elem; + k1_lim = k1 + keysize; k2 = (const flow_compare_t *) key2; @@ -215,6 +213,7 @@ flow_cache_lookup(struct net *net, const struct flowi *key, u16 family, u8 dir, struct flow_cache_entry *fle, *tfle; struct hlist_node *entry; struct flow_cache_object *flo; + size_t keysize; unsigned int hash; local_bh_disable(); @@ -222,6 +221,11 @@ flow_cache_lookup(struct net *net, const struct flowi *key, u16 family, u8 dir, fle = NULL; flo = NULL; + + keysize = flow_key_size(family); + if (!keysize) + goto nocache; + /* Packet really early in init? Making flow_cache_init a * pre-smp initcall would solve this. --RR */ if (!fcp->hash_table) @@ -230,11 +234,12 @@ flow_cache_lookup(struct net *net, const struct flowi *key, u16 family, u8 dir, if (fcp->hash_rnd_recalc) flow_new_hash_rnd(fc, fcp); - hash = flow_hash_code(fc, fcp, key); + hash = flow_hash_code(fc, fcp, key, keysize); hlist_for_each_entry(tfle, entry, &fcp->hash_table[hash], u.hlist) { - if (tfle->family == family && + if (tfle->net == net && + tfle->family == family && tfle->dir == dir && - flow_key_compare(key, &tfle->key) == 0) { + flow_key_compare(key, &tfle->key, keysize) == 0) { fle = tfle; break; } @@ -246,9 +251,10 @@ flow_cache_lookup(struct net *net, const struct flowi *key, u16 family, u8 dir, fle = kmem_cache_alloc(flow_cachep, GFP_ATOMIC); if (fle) { + fle->net = net; fle->family = family; fle->dir = dir; - memcpy(&fle->key, key, sizeof(*key)); + memcpy(&fle->key, key, keysize * sizeof(flow_compare_t)); fle->object = NULL; hlist_add_head(&fle->u.hlist, &fcp->hash_table[hash]); fcp->hash_count++; diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 27002dffe7ed..387703f56fce 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -611,8 +611,21 @@ struct sk_buff *skb_morph(struct sk_buff *dst, struct sk_buff *src) } EXPORT_SYMBOL_GPL(skb_morph); -/* skb frags copy userspace buffers to kernel */ -static int skb_copy_ubufs(struct sk_buff *skb, gfp_t gfp_mask) +/* skb_copy_ubufs - copy userspace skb frags buffers to kernel + * @skb: the skb to modify + * @gfp_mask: allocation priority + * + * This must be called on SKBTX_DEV_ZEROCOPY skb. + * It will copy all frags into kernel and drop the reference + * to userspace pages. + * + * If this function is called from an interrupt gfp_mask() must be + * %GFP_ATOMIC. + * + * Returns 0 on success or a negative error code on failure + * to allocate kernel memory to copy to. + */ +int skb_copy_ubufs(struct sk_buff *skb, gfp_t gfp_mask) { int i; int num_frags = skb_shinfo(skb)->nr_frags; @@ -652,6 +665,8 @@ static int skb_copy_ubufs(struct sk_buff *skb, gfp_t gfp_mask) skb_shinfo(skb)->frags[i - 1].page = head; head = (struct page *)head->private; } + + skb_shinfo(skb)->tx_flags &= ~SKBTX_DEV_ZEROCOPY; return 0; } @@ -677,7 +692,6 @@ struct sk_buff *skb_clone(struct sk_buff *skb, gfp_t gfp_mask) if (skb_shinfo(skb)->tx_flags & SKBTX_DEV_ZEROCOPY) { if (skb_copy_ubufs(skb, gfp_mask)) return NULL; - skb_shinfo(skb)->tx_flags &= ~SKBTX_DEV_ZEROCOPY; } n = skb + 1; @@ -803,7 +817,6 @@ struct sk_buff *pskb_copy(struct sk_buff *skb, gfp_t gfp_mask) n = NULL; goto out; } - skb_shinfo(skb)->tx_flags &= ~SKBTX_DEV_ZEROCOPY; } for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { skb_shinfo(n)->frags[i] = skb_shinfo(skb)->frags[i]; @@ -896,7 +909,6 @@ int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail, if (skb_shinfo(skb)->tx_flags & SKBTX_DEV_ZEROCOPY) { if (skb_copy_ubufs(skb, gfp_mask)) goto nofrags; - skb_shinfo(skb)->tx_flags &= ~SKBTX_DEV_ZEROCOPY; } for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) get_page(skb_shinfo(skb)->frags[i].page); diff --git a/net/ethernet/eth.c b/net/ethernet/eth.c index 27997d35ebd3..a2468363978e 100644 --- a/net/ethernet/eth.c +++ b/net/ethernet/eth.c @@ -340,7 +340,7 @@ void ether_setup(struct net_device *dev) dev->addr_len = ETH_ALEN; dev->tx_queue_len = 1000; /* Ethernet wants good queues */ dev->flags = IFF_BROADCAST|IFF_MULTICAST; - dev->priv_flags = IFF_TX_SKB_SHARING; + dev->priv_flags |= IFF_TX_SKB_SHARING; memset(dev->broadcast, 0xFF, ETH_ALEN); diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c index 1b745d412cf6..dd2b9478ddd1 100644 --- a/net/ipv4/af_inet.c +++ b/net/ipv4/af_inet.c @@ -466,8 +466,13 @@ int inet_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len) goto out; if (addr->sin_family != AF_INET) { + /* Compatibility games : accept AF_UNSPEC (mapped to AF_INET) + * only if s_addr is INADDR_ANY. + */ err = -EAFNOSUPPORT; - goto out; + if (addr->sin_family != AF_UNSPEC || + addr->sin_addr.s_addr != htonl(INADDR_ANY)) + goto out; } chk_addr_ret = inet_addr_type(sock_net(sk), addr->sin_addr.s_addr); diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c index 33e2c35b74b7..80106d89d548 100644 --- a/net/ipv4/fib_semantics.c +++ b/net/ipv4/fib_semantics.c @@ -142,6 +142,14 @@ const struct fib_prop fib_props[RTN_MAX + 1] = { }; /* Release a nexthop info record */ +static void free_fib_info_rcu(struct rcu_head *head) +{ + struct fib_info *fi = container_of(head, struct fib_info, rcu); + + if (fi->fib_metrics != (u32 *) dst_default_metrics) + kfree(fi->fib_metrics); + kfree(fi); +} void free_fib_info(struct fib_info *fi) { @@ -156,7 +164,7 @@ void free_fib_info(struct fib_info *fi) } endfor_nexthops(fi); fib_info_cnt--; release_net(fi->fib_net); - kfree_rcu(fi, rcu); + call_rcu(&fi->rcu, free_fib_info_rcu); } void fib_release_info(struct fib_info *fi) diff --git a/net/ipv4/netfilter/ip_queue.c b/net/ipv4/netfilter/ip_queue.c index 5c9b9d963918..e59aabd0eae4 100644 --- a/net/ipv4/netfilter/ip_queue.c +++ b/net/ipv4/netfilter/ip_queue.c @@ -218,6 +218,7 @@ ipq_build_packet_message(struct nf_queue_entry *entry, int *errp) return skb; nlmsg_failure: + kfree_skb(skb); *errp = -EINVAL; printk(KERN_ERR "ip_queue: error creating packet message\n"); return NULL; @@ -313,7 +314,7 @@ ipq_set_verdict(struct ipq_verdict_msg *vmsg, unsigned int len) { struct nf_queue_entry *entry; - if (vmsg->value > NF_MAX_VERDICT) + if (vmsg->value > NF_MAX_VERDICT || vmsg->value == NF_STOLEN) return -EINVAL; entry = ipq_find_dequeue_entry(vmsg->id); @@ -358,12 +359,9 @@ ipq_receive_peer(struct ipq_peer_msg *pmsg, break; case IPQM_VERDICT: - if (pmsg->msg.verdict.value > NF_MAX_VERDICT) - status = -EINVAL; - else - status = ipq_set_verdict(&pmsg->msg.verdict, - len - sizeof(*pmsg)); - break; + status = ipq_set_verdict(&pmsg->msg.verdict, + len - sizeof(*pmsg)); + break; default: status = -EINVAL; } diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c index b14ec7d03b6e..4bfad5da94f4 100644 --- a/net/ipv4/proc.c +++ b/net/ipv4/proc.c @@ -254,6 +254,8 @@ static const struct snmp_mib snmp4_net_list[] = { SNMP_MIB_ITEM("TCPDeferAcceptDrop", LINUX_MIB_TCPDEFERACCEPTDROP), SNMP_MIB_ITEM("IPReversePathFilter", LINUX_MIB_IPRPFILTER), SNMP_MIB_ITEM("TCPTimeWaitOverflow", LINUX_MIB_TCPTIMEWAITOVERFLOW), + SNMP_MIB_ITEM("TCPReqQFullDoCookies", LINUX_MIB_TCPREQQFULLDOCOOKIES), + SNMP_MIB_ITEM("TCPReqQFullDrop", LINUX_MIB_TCPREQQFULLDROP), SNMP_MIB_SENTINEL }; diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index ea0d2183df4b..21fab3edb92c 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -1124,7 +1124,7 @@ static int tcp_is_sackblock_valid(struct tcp_sock *tp, int is_dsack, return 0; /* ...Then it's D-SACK, and must reside below snd_una completely */ - if (!after(end_seq, tp->snd_una)) + if (after(end_seq, tp->snd_una)) return 0; if (!before(start_seq, tp->undo_marker)) diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 1c12b8ec849d..c34f01513945 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -808,20 +808,38 @@ static void tcp_v4_reqsk_destructor(struct request_sock *req) kfree(inet_rsk(req)->opt); } -static void syn_flood_warning(const struct sk_buff *skb) +/* + * Return 1 if a syncookie should be sent + */ +int tcp_syn_flood_action(struct sock *sk, + const struct sk_buff *skb, + const char *proto) { - const char *msg; + const char *msg = "Dropping request"; + int want_cookie = 0; + struct listen_sock *lopt; + + #ifdef CONFIG_SYN_COOKIES - if (sysctl_tcp_syncookies) + if (sysctl_tcp_syncookies) { msg = "Sending cookies"; - else + want_cookie = 1; + NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPREQQFULLDOCOOKIES); + } else #endif - msg = "Dropping request"; + NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPREQQFULLDROP); - pr_info("TCP: Possible SYN flooding on port %d. %s.\n", - ntohs(tcp_hdr(skb)->dest), msg); + lopt = inet_csk(sk)->icsk_accept_queue.listen_opt; + if (!lopt->synflood_warned) { + lopt->synflood_warned = 1; + pr_info("%s: Possible SYN flooding on port %d. %s. " + " Check SNMP counters.\n", + proto, ntohs(tcp_hdr(skb)->dest), msg); + } + return want_cookie; } +EXPORT_SYMBOL(tcp_syn_flood_action); /* * Save and compile IPv4 options into the request_sock if needed. @@ -1235,11 +1253,7 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb) __be32 saddr = ip_hdr(skb)->saddr; __be32 daddr = ip_hdr(skb)->daddr; __u32 isn = TCP_SKB_CB(skb)->when; -#ifdef CONFIG_SYN_COOKIES int want_cookie = 0; -#else -#define want_cookie 0 /* Argh, why doesn't gcc optimize this :( */ -#endif /* Never answer to SYNs send to broadcast or multicast */ if (skb_rtable(skb)->rt_flags & (RTCF_BROADCAST | RTCF_MULTICAST)) @@ -1250,14 +1264,9 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb) * evidently real one. */ if (inet_csk_reqsk_queue_is_full(sk) && !isn) { - if (net_ratelimit()) - syn_flood_warning(skb); -#ifdef CONFIG_SYN_COOKIES - if (sysctl_tcp_syncookies) { - want_cookie = 1; - } else -#endif - goto drop; + want_cookie = tcp_syn_flood_action(sk, skb, "TCP"); + if (!want_cookie) + goto drop; } /* Accept backlog is full. If we have already queued enough @@ -1303,9 +1312,7 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb) while (l-- > 0) *c++ ^= *hash_location++; -#ifdef CONFIG_SYN_COOKIES want_cookie = 0; /* not our kind of cookie */ -#endif tmp_ext.cookie_out_never = 0; /* false */ tmp_ext.cookie_plus = tmp_opt.cookie_plus; } else if (!tp->rx_opt.cookie_in_always) { diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index f012ebd87b43..12368c586068 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -374,8 +374,8 @@ static struct inet6_dev * ipv6_add_dev(struct net_device *dev) "%s(): cannot allocate memory for statistics; dev=%s.\n", __func__, dev->name)); neigh_parms_release(&nd_tbl, ndev->nd_parms); - ndev->dead = 1; - in6_dev_finish_destroy(ndev); + dev_put(dev); + kfree(ndev); return NULL; } diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c index 9ef1831746ef..b46e9f88ce37 100644 --- a/net/ipv6/datagram.c +++ b/net/ipv6/datagram.c @@ -599,7 +599,7 @@ int datagram_recv_ctl(struct sock *sk, struct msghdr *msg, struct sk_buff *skb) return 0; } -int datagram_send_ctl(struct net *net, +int datagram_send_ctl(struct net *net, struct sock *sk, struct msghdr *msg, struct flowi6 *fl6, struct ipv6_txoptions *opt, int *hlimit, int *tclass, int *dontfrag) @@ -658,7 +658,8 @@ int datagram_send_ctl(struct net *net, if (addr_type != IPV6_ADDR_ANY) { int strict = __ipv6_addr_src_scope(addr_type) <= IPV6_ADDR_SCOPE_LINKLOCAL; - if (!ipv6_chk_addr(net, &src_info->ipi6_addr, + if (!inet_sk(sk)->transparent && + !ipv6_chk_addr(net, &src_info->ipi6_addr, strict ? dev : NULL, 0)) err = -EINVAL; else diff --git a/net/ipv6/ip6_flowlabel.c b/net/ipv6/ip6_flowlabel.c index f3caf1b8d572..543039450193 100644 --- a/net/ipv6/ip6_flowlabel.c +++ b/net/ipv6/ip6_flowlabel.c @@ -322,8 +322,8 @@ static int fl6_renew(struct ip6_flowlabel *fl, unsigned long linger, unsigned lo } static struct ip6_flowlabel * -fl_create(struct net *net, struct in6_flowlabel_req *freq, char __user *optval, - int optlen, int *err_p) +fl_create(struct net *net, struct sock *sk, struct in6_flowlabel_req *freq, + char __user *optval, int optlen, int *err_p) { struct ip6_flowlabel *fl = NULL; int olen; @@ -360,7 +360,7 @@ fl_create(struct net *net, struct in6_flowlabel_req *freq, char __user *optval, msg.msg_control = (void*)(fl->opt+1); memset(&flowi6, 0, sizeof(flowi6)); - err = datagram_send_ctl(net, &msg, &flowi6, fl->opt, &junk, + err = datagram_send_ctl(net, sk, &msg, &flowi6, fl->opt, &junk, &junk, &junk); if (err) goto done; @@ -528,7 +528,7 @@ int ipv6_flowlabel_opt(struct sock *sk, char __user *optval, int optlen) if (freq.flr_label & ~IPV6_FLOWLABEL_MASK) return -EINVAL; - fl = fl_create(net, &freq, optval, optlen, &err); + fl = fl_create(net, sk, &freq, optval, optlen, &err); if (fl == NULL) return err; sfl1 = kmalloc(sizeof(*sfl1), GFP_KERNEL); diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c index 705c82886281..def0538e2413 100644 --- a/net/ipv6/ip6mr.c +++ b/net/ipv6/ip6mr.c @@ -696,8 +696,10 @@ static netdev_tx_t reg_vif_xmit(struct sk_buff *skb, int err; err = ip6mr_fib_lookup(net, &fl6, &mrt); - if (err < 0) + if (err < 0) { + kfree_skb(skb); return err; + } read_lock(&mrt_lock); dev->stats.tx_bytes += skb->len; @@ -2052,8 +2054,10 @@ int ip6_mr_input(struct sk_buff *skb) int err; err = ip6mr_fib_lookup(net, &fl6, &mrt); - if (err < 0) + if (err < 0) { + kfree_skb(skb); return err; + } read_lock(&mrt_lock); cache = ip6mr_cache_find(mrt, diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c index 147ede38ab48..2fbda5fc4cc4 100644 --- a/net/ipv6/ipv6_sockglue.c +++ b/net/ipv6/ipv6_sockglue.c @@ -475,7 +475,7 @@ sticky_done: msg.msg_controllen = optlen; msg.msg_control = (void*)(opt+1); - retv = datagram_send_ctl(net, &msg, &fl6, opt, &junk, &junk, + retv = datagram_send_ctl(net, sk, &msg, &fl6, opt, &junk, &junk, &junk); if (retv) goto done; diff --git a/net/ipv6/netfilter/ip6_queue.c b/net/ipv6/netfilter/ip6_queue.c index 249394863284..e63c3972a739 100644 --- a/net/ipv6/netfilter/ip6_queue.c +++ b/net/ipv6/netfilter/ip6_queue.c @@ -218,6 +218,7 @@ ipq_build_packet_message(struct nf_queue_entry *entry, int *errp) return skb; nlmsg_failure: + kfree_skb(skb); *errp = -EINVAL; printk(KERN_ERR "ip6_queue: error creating packet message\n"); return NULL; @@ -313,7 +314,7 @@ ipq_set_verdict(struct ipq_verdict_msg *vmsg, unsigned int len) { struct nf_queue_entry *entry; - if (vmsg->value > NF_MAX_VERDICT) + if (vmsg->value > NF_MAX_VERDICT || vmsg->value == NF_STOLEN) return -EINVAL; entry = ipq_find_dequeue_entry(vmsg->id); @@ -358,12 +359,9 @@ ipq_receive_peer(struct ipq_peer_msg *pmsg, break; case IPQM_VERDICT: - if (pmsg->msg.verdict.value > NF_MAX_VERDICT) - status = -EINVAL; - else - status = ipq_set_verdict(&pmsg->msg.verdict, - len - sizeof(*pmsg)); - break; + status = ipq_set_verdict(&pmsg->msg.verdict, + len - sizeof(*pmsg)); + break; default: status = -EINVAL; } diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c index 6a79f3081bdb..343852e5c703 100644 --- a/net/ipv6/raw.c +++ b/net/ipv6/raw.c @@ -817,8 +817,8 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk, memset(opt, 0, sizeof(struct ipv6_txoptions)); opt->tot_len = sizeof(struct ipv6_txoptions); - err = datagram_send_ctl(sock_net(sk), msg, &fl6, opt, &hlimit, - &tclass, &dontfrag); + err = datagram_send_ctl(sock_net(sk), sk, msg, &fl6, opt, + &hlimit, &tclass, &dontfrag); if (err < 0) { fl6_sock_release(flowlabel); return err; diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 9e69eb0ec6dd..fb545edef6ea 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -104,6 +104,9 @@ static u32 *ipv6_cow_metrics(struct dst_entry *dst, unsigned long old) struct inet_peer *peer; u32 *p = NULL; + if (!(rt->dst.flags & DST_HOST)) + return NULL; + if (!rt->rt6i_peer) rt6_bind_peer(rt, 1); @@ -241,7 +244,9 @@ static inline struct rt6_info *ip6_dst_alloc(struct dst_ops *ops, { struct rt6_info *rt = dst_alloc(ops, dev, 0, 0, flags); - memset(&rt->rt6i_table, 0, sizeof(*rt) - sizeof(struct dst_entry)); + if (rt != NULL) + memset(&rt->rt6i_table, 0, + sizeof(*rt) - sizeof(struct dst_entry)); return rt; } @@ -252,6 +257,9 @@ static void ip6_dst_destroy(struct dst_entry *dst) struct inet6_dev *idev = rt->rt6i_idev; struct inet_peer *peer = rt->rt6i_peer; + if (!(rt->dst.flags & DST_HOST)) + dst_destroy_metrics_generic(dst); + if (idev != NULL) { rt->rt6i_idev = NULL; in6_dev_put(idev); @@ -723,9 +731,7 @@ static struct rt6_info *rt6_alloc_cow(const struct rt6_info *ort, ipv6_addr_copy(&rt->rt6i_gateway, daddr); } - rt->rt6i_dst.plen = 128; rt->rt6i_flags |= RTF_CACHE; - rt->dst.flags |= DST_HOST; #ifdef CONFIG_IPV6_SUBTREES if (rt->rt6i_src.plen && saddr) { @@ -775,9 +781,7 @@ static struct rt6_info *rt6_alloc_clone(struct rt6_info *ort, struct rt6_info *rt = ip6_rt_copy(ort, daddr); if (rt) { - rt->rt6i_dst.plen = 128; rt->rt6i_flags |= RTF_CACHE; - rt->dst.flags |= DST_HOST; dst_set_neighbour(&rt->dst, neigh_clone(dst_get_neighbour_raw(&ort->dst))); } return rt; @@ -1078,12 +1082,15 @@ struct dst_entry *icmp6_dst_alloc(struct net_device *dev, neigh = NULL; } - rt->rt6i_idev = idev; + rt->dst.flags |= DST_HOST; + rt->dst.output = ip6_output; dst_set_neighbour(&rt->dst, neigh); atomic_set(&rt->dst.__refcnt, 1); - ipv6_addr_copy(&rt->rt6i_dst.addr, addr); dst_metric_set(&rt->dst, RTAX_HOPLIMIT, 255); - rt->dst.output = ip6_output; + + ipv6_addr_copy(&rt->rt6i_dst.addr, addr); + rt->rt6i_dst.plen = 128; + rt->rt6i_idev = idev; spin_lock_bh(&icmp6_dst_lock); rt->dst.next = icmp6_dst_gc_list; @@ -1261,6 +1268,14 @@ int ip6_route_add(struct fib6_config *cfg) if (rt->rt6i_dst.plen == 128) rt->dst.flags |= DST_HOST; + if (!(rt->dst.flags & DST_HOST) && cfg->fc_mx) { + u32 *metrics = kzalloc(sizeof(u32) * RTAX_MAX, GFP_KERNEL); + if (!metrics) { + err = -ENOMEM; + goto out; + } + dst_init_metrics(&rt->dst, metrics, 0); + } #ifdef CONFIG_IPV6_SUBTREES ipv6_addr_prefix(&rt->rt6i_src.addr, &cfg->fc_src, cfg->fc_src_len); rt->rt6i_src.plen = cfg->fc_src_len; @@ -1607,9 +1622,6 @@ void rt6_redirect(const struct in6_addr *dest, const struct in6_addr *src, if (on_link) nrt->rt6i_flags &= ~RTF_GATEWAY; - nrt->rt6i_dst.plen = 128; - nrt->dst.flags |= DST_HOST; - ipv6_addr_copy(&nrt->rt6i_gateway, (struct in6_addr*)neigh->primary_key); dst_set_neighbour(&nrt->dst, neigh_clone(neigh)); @@ -1754,9 +1766,10 @@ static struct rt6_info *ip6_rt_copy(const struct rt6_info *ort, if (rt) { rt->dst.input = ort->dst.input; rt->dst.output = ort->dst.output; + rt->dst.flags |= DST_HOST; ipv6_addr_copy(&rt->rt6i_dst.addr, dest); - rt->rt6i_dst.plen = ort->rt6i_dst.plen; + rt->rt6i_dst.plen = 128; dst_copy_metrics(&rt->dst, &ort->dst); rt->dst.error = ort->dst.error; rt->rt6i_idev = ort->rt6i_idev; diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index d1fb63f4aeb7..79cc6469508d 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -531,20 +531,6 @@ static int tcp_v6_rtx_synack(struct sock *sk, struct request_sock *req, return tcp_v6_send_synack(sk, req, rvp); } -static inline void syn_flood_warning(struct sk_buff *skb) -{ -#ifdef CONFIG_SYN_COOKIES - if (sysctl_tcp_syncookies) - printk(KERN_INFO - "TCPv6: Possible SYN flooding on port %d. " - "Sending cookies.\n", ntohs(tcp_hdr(skb)->dest)); - else -#endif - printk(KERN_INFO - "TCPv6: Possible SYN flooding on port %d. " - "Dropping request.\n", ntohs(tcp_hdr(skb)->dest)); -} - static void tcp_v6_reqsk_destructor(struct request_sock *req) { kfree_skb(inet6_rsk(req)->pktopts); @@ -1179,11 +1165,7 @@ static int tcp_v6_conn_request(struct sock *sk, struct sk_buff *skb) struct tcp_sock *tp = tcp_sk(sk); __u32 isn = TCP_SKB_CB(skb)->when; struct dst_entry *dst = NULL; -#ifdef CONFIG_SYN_COOKIES int want_cookie = 0; -#else -#define want_cookie 0 -#endif if (skb->protocol == htons(ETH_P_IP)) return tcp_v4_conn_request(sk, skb); @@ -1192,14 +1174,9 @@ static int tcp_v6_conn_request(struct sock *sk, struct sk_buff *skb) goto drop; if (inet_csk_reqsk_queue_is_full(sk) && !isn) { - if (net_ratelimit()) - syn_flood_warning(skb); -#ifdef CONFIG_SYN_COOKIES - if (sysctl_tcp_syncookies) - want_cookie = 1; - else -#endif - goto drop; + want_cookie = tcp_syn_flood_action(sk, skb, "TCPv6"); + if (!want_cookie) + goto drop; } if (sk_acceptq_is_full(sk) && inet_csk_reqsk_queue_young(sk) > 1) @@ -1249,9 +1226,7 @@ static int tcp_v6_conn_request(struct sock *sk, struct sk_buff *skb) while (l-- > 0) *c++ ^= *hash_location++; -#ifdef CONFIG_SYN_COOKIES want_cookie = 0; /* not our kind of cookie */ -#endif tmp_ext.cookie_out_never = 0; /* false */ tmp_ext.cookie_plus = tmp_opt.cookie_plus; } else if (!tp->rx_opt.cookie_in_always) { @@ -1408,6 +1383,8 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb, newtp->af_specific = &tcp_sock_ipv6_mapped_specific; #endif + newnp->ipv6_ac_list = NULL; + newnp->ipv6_fl_list = NULL; newnp->pktoptions = NULL; newnp->opt = NULL; newnp->mcast_oif = inet6_iif(skb); @@ -1472,6 +1449,7 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb, First: no IPv4 options. */ newinet->inet_opt = NULL; + newnp->ipv6_ac_list = NULL; newnp->ipv6_fl_list = NULL; /* Clone RX bits */ diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index 29213b51c499..bb95e8e1c6f9 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -1090,8 +1090,8 @@ do_udp_sendmsg: memset(opt, 0, sizeof(struct ipv6_txoptions)); opt->tot_len = sizeof(*opt); - err = datagram_send_ctl(sock_net(sk), msg, &fl6, opt, &hlimit, - &tclass, &dontfrag); + err = datagram_send_ctl(sock_net(sk), sk, msg, &fl6, opt, + &hlimit, &tclass, &dontfrag); if (err < 0) { fl6_sock_release(flowlabel); return err; diff --git a/net/irda/irsysctl.c b/net/irda/irsysctl.c index d0b70dadf73b..2615ffc8e785 100644 --- a/net/irda/irsysctl.c +++ b/net/irda/irsysctl.c @@ -40,9 +40,9 @@ extern int sysctl_slot_timeout; extern int sysctl_fast_poll_increase; extern char sysctl_devname[]; extern int sysctl_max_baud_rate; -extern int sysctl_min_tx_turn_time; -extern int sysctl_max_tx_data_size; -extern int sysctl_max_tx_window; +extern unsigned int sysctl_min_tx_turn_time; +extern unsigned int sysctl_max_tx_data_size; +extern unsigned int sysctl_max_tx_window; extern int sysctl_max_noreply_time; extern int sysctl_warn_noreply_time; extern int sysctl_lap_keepalive_time; diff --git a/net/irda/qos.c b/net/irda/qos.c index 1b51bcf42394..4369f7f41bcb 100644 --- a/net/irda/qos.c +++ b/net/irda/qos.c @@ -60,7 +60,7 @@ int sysctl_max_noreply_time = 12; * Default is 10us which means using the unmodified value given by the * peer except if it's 0 (0 is likely a bug in the other stack). */ -unsigned sysctl_min_tx_turn_time = 10; +unsigned int sysctl_min_tx_turn_time = 10; /* * Maximum data size to be used in transmission in payload of LAP frame. * There is a bit of confusion in the IrDA spec : @@ -75,13 +75,13 @@ unsigned sysctl_min_tx_turn_time = 10; * bytes frames or all negotiated frame sizes, but you can use the sysctl * to play with this value anyway. * Jean II */ -unsigned sysctl_max_tx_data_size = 2042; +unsigned int sysctl_max_tx_data_size = 2042; /* * Maximum transmit window, i.e. number of LAP frames between turn-around. * This allow to override what the peer told us. Some peers are buggy and * don't always support what they tell us. * Jean II */ -unsigned sysctl_max_tx_window = 7; +unsigned int sysctl_max_tx_window = 7; static int irlap_param_baud_rate(void *instance, irda_param_t *param, int get); static int irlap_param_link_disconnect(void *instance, irda_param_t *parm, diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index 3db78b696c5c..21070e9bc8d0 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -665,7 +665,7 @@ static int __must_check __sta_info_destroy(struct sta_info *sta) BUG_ON(!sdata->bss); atomic_dec(&sdata->bss->num_sta_ps); - __sta_info_clear_tim_bit(sdata->bss, sta); + sta_info_clear_tim_bit(sta); } local->num_sta--; diff --git a/net/netfilter/nf_conntrack_pptp.c b/net/netfilter/nf_conntrack_pptp.c index 2fd4565144de..31d56b23b9e9 100644 --- a/net/netfilter/nf_conntrack_pptp.c +++ b/net/netfilter/nf_conntrack_pptp.c @@ -364,6 +364,7 @@ pptp_inbound_pkt(struct sk_buff *skb, break; case PPTP_WAN_ERROR_NOTIFY: + case PPTP_SET_LINK_INFO: case PPTP_ECHO_REQUEST: case PPTP_ECHO_REPLY: /* I don't have to explain these ;) */ diff --git a/net/netfilter/nf_conntrack_proto_tcp.c b/net/netfilter/nf_conntrack_proto_tcp.c index 37bf94394be0..8235b86b4e87 100644 --- a/net/netfilter/nf_conntrack_proto_tcp.c +++ b/net/netfilter/nf_conntrack_proto_tcp.c @@ -409,7 +409,7 @@ static void tcp_options(const struct sk_buff *skb, if (opsize < 2) /* "silly options" */ return; if (opsize > length) - break; /* don't parse partial options */ + return; /* don't parse partial options */ if (opcode == TCPOPT_SACK_PERM && opsize == TCPOLEN_SACK_PERM) @@ -447,7 +447,7 @@ static void tcp_sack(const struct sk_buff *skb, unsigned int dataoff, BUG_ON(ptr == NULL); /* Fast path for timestamp-only option */ - if (length == TCPOLEN_TSTAMP_ALIGNED*4 + if (length == TCPOLEN_TSTAMP_ALIGNED && *(__be32 *)ptr == htonl((TCPOPT_NOP << 24) | (TCPOPT_NOP << 16) | (TCPOPT_TIMESTAMP << 8) @@ -469,7 +469,7 @@ static void tcp_sack(const struct sk_buff *skb, unsigned int dataoff, if (opsize < 2) /* "silly options" */ return; if (opsize > length) - break; /* don't parse partial options */ + return; /* don't parse partial options */ if (opcode == TCPOPT_SACK && opsize >= (TCPOLEN_SACK_BASE diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c index 00bd475eab4b..a80b0cb03f17 100644 --- a/net/netfilter/nfnetlink_queue.c +++ b/net/netfilter/nfnetlink_queue.c @@ -646,8 +646,8 @@ verdicthdr_get(const struct nlattr * const nfqa[]) return NULL; vhdr = nla_data(nfqa[NFQA_VERDICT_HDR]); - verdict = ntohl(vhdr->verdict); - if ((verdict & NF_VERDICT_MASK) > NF_MAX_VERDICT) + verdict = ntohl(vhdr->verdict) & NF_VERDICT_MASK; + if (verdict > NF_MAX_VERDICT || verdict == NF_STOLEN) return NULL; return vhdr; } diff --git a/net/netfilter/xt_rateest.c b/net/netfilter/xt_rateest.c index 76a083184d8e..ed0db15ab00e 100644 --- a/net/netfilter/xt_rateest.c +++ b/net/netfilter/xt_rateest.c @@ -78,7 +78,7 @@ static int xt_rateest_mt_checkentry(const struct xt_mtchk_param *par) { struct xt_rateest_match_info *info = par->matchinfo; struct xt_rateest *est1, *est2; - int ret = false; + int ret = -EINVAL; if (hweight32(info->flags & (XT_RATEEST_MATCH_ABS | XT_RATEEST_MATCH_REL)) != 1) @@ -101,13 +101,12 @@ static int xt_rateest_mt_checkentry(const struct xt_mtchk_param *par) if (!est1) goto err1; + est2 = NULL; if (info->flags & XT_RATEEST_MATCH_REL) { est2 = xt_rateest_lookup(info->name2); if (!est2) goto err2; - } else - est2 = NULL; - + } info->est1 = est1; info->est2 = est2; @@ -116,7 +115,7 @@ static int xt_rateest_mt_checkentry(const struct xt_mtchk_param *par) err2: xt_rateest_put(est1); err1: - return -EINVAL; + return ret; } static void xt_rateest_mt_destroy(const struct xt_mtdtor_param *par) diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index c698cec0a445..fabb4fafa281 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -961,7 +961,10 @@ static int packet_rcv(struct sk_buff *skb, struct net_device *dev, return 0; drop_n_acct: - po->stats.tp_drops = atomic_inc_return(&sk->sk_drops); + spin_lock(&sk->sk_receive_queue.lock); + po->stats.tp_drops++; + atomic_inc(&sk->sk_drops); + spin_unlock(&sk->sk_receive_queue.lock); drop_n_restore: if (skb_head != skb->data && skb_shared(skb)) { diff --git a/net/rds/iw_rdma.c b/net/rds/iw_rdma.c index 8b77edbab272..4e1de171866c 100644 --- a/net/rds/iw_rdma.c +++ b/net/rds/iw_rdma.c @@ -84,7 +84,8 @@ static int rds_iw_map_fastreg(struct rds_iw_mr_pool *pool, static void rds_iw_free_fastreg(struct rds_iw_mr_pool *pool, struct rds_iw_mr *ibmr); static unsigned int rds_iw_unmap_fastreg_list(struct rds_iw_mr_pool *pool, struct list_head *unmap_list, - struct list_head *kill_list); + struct list_head *kill_list, + int *unpinned); static void rds_iw_destroy_fastreg(struct rds_iw_mr_pool *pool, struct rds_iw_mr *ibmr); static int rds_iw_get_device(struct rds_sock *rs, struct rds_iw_device **rds_iwdev, struct rdma_cm_id **cm_id) @@ -499,7 +500,7 @@ static int rds_iw_flush_mr_pool(struct rds_iw_mr_pool *pool, int free_all) LIST_HEAD(unmap_list); LIST_HEAD(kill_list); unsigned long flags; - unsigned int nfreed = 0, ncleaned = 0, free_goal; + unsigned int nfreed = 0, ncleaned = 0, unpinned = 0, free_goal; int ret = 0; rds_iw_stats_inc(s_iw_rdma_mr_pool_flush); @@ -524,7 +525,8 @@ static int rds_iw_flush_mr_pool(struct rds_iw_mr_pool *pool, int free_all) * will be destroyed by the unmap function. */ if (!list_empty(&unmap_list)) { - ncleaned = rds_iw_unmap_fastreg_list(pool, &unmap_list, &kill_list); + ncleaned = rds_iw_unmap_fastreg_list(pool, &unmap_list, + &kill_list, &unpinned); /* If we've been asked to destroy all MRs, move those * that were simply cleaned to the kill list */ if (free_all) @@ -548,6 +550,7 @@ static int rds_iw_flush_mr_pool(struct rds_iw_mr_pool *pool, int free_all) spin_unlock_irqrestore(&pool->list_lock, flags); } + atomic_sub(unpinned, &pool->free_pinned); atomic_sub(ncleaned, &pool->dirty_count); atomic_sub(nfreed, &pool->item_count); @@ -828,7 +831,8 @@ static void rds_iw_free_fastreg(struct rds_iw_mr_pool *pool, static unsigned int rds_iw_unmap_fastreg_list(struct rds_iw_mr_pool *pool, struct list_head *unmap_list, - struct list_head *kill_list) + struct list_head *kill_list, + int *unpinned) { struct rds_iw_mapping *mapping, *next; unsigned int ncleaned = 0; @@ -855,6 +859,7 @@ static unsigned int rds_iw_unmap_fastreg_list(struct rds_iw_mr_pool *pool, spin_lock_irqsave(&pool->list_lock, flags); list_for_each_entry_safe(mapping, next, unmap_list, m_list) { + *unpinned += mapping->m_sg.len; list_move(&mapping->m_list, &laundered); ncleaned++; } diff --git a/net/sched/cls_rsvp.h b/net/sched/cls_rsvp.h index be4505ee67a9..b01427924f81 100644 --- a/net/sched/cls_rsvp.h +++ b/net/sched/cls_rsvp.h @@ -425,7 +425,7 @@ static int rsvp_change(struct tcf_proto *tp, unsigned long base, struct rsvp_filter *f, **fp; struct rsvp_session *s, **sp; struct tc_rsvp_pinfo *pinfo = NULL; - struct nlattr *opt = tca[TCA_OPTIONS-1]; + struct nlattr *opt = tca[TCA_OPTIONS]; struct nlattr *tb[TCA_RSVP_MAX + 1]; struct tcf_exts e; unsigned int h1, h2; @@ -439,7 +439,7 @@ static int rsvp_change(struct tcf_proto *tp, unsigned long base, if (err < 0) return err; - err = tcf_exts_validate(tp, tb, tca[TCA_RATE-1], &e, &rsvp_ext_map); + err = tcf_exts_validate(tp, tb, tca[TCA_RATE], &e, &rsvp_ext_map); if (err < 0) return err; @@ -449,8 +449,8 @@ static int rsvp_change(struct tcf_proto *tp, unsigned long base, if (f->handle != handle && handle) goto errout2; - if (tb[TCA_RSVP_CLASSID-1]) { - f->res.classid = nla_get_u32(tb[TCA_RSVP_CLASSID-1]); + if (tb[TCA_RSVP_CLASSID]) { + f->res.classid = nla_get_u32(tb[TCA_RSVP_CLASSID]); tcf_bind_filter(tp, &f->res, base); } @@ -462,7 +462,7 @@ static int rsvp_change(struct tcf_proto *tp, unsigned long base, err = -EINVAL; if (handle) goto errout2; - if (tb[TCA_RSVP_DST-1] == NULL) + if (tb[TCA_RSVP_DST] == NULL) goto errout2; err = -ENOBUFS; @@ -471,19 +471,19 @@ static int rsvp_change(struct tcf_proto *tp, unsigned long base, goto errout2; h2 = 16; - if (tb[TCA_RSVP_SRC-1]) { - memcpy(f->src, nla_data(tb[TCA_RSVP_SRC-1]), sizeof(f->src)); + if (tb[TCA_RSVP_SRC]) { + memcpy(f->src, nla_data(tb[TCA_RSVP_SRC]), sizeof(f->src)); h2 = hash_src(f->src); } - if (tb[TCA_RSVP_PINFO-1]) { - pinfo = nla_data(tb[TCA_RSVP_PINFO-1]); + if (tb[TCA_RSVP_PINFO]) { + pinfo = nla_data(tb[TCA_RSVP_PINFO]); f->spi = pinfo->spi; f->tunnelhdr = pinfo->tunnelhdr; } - if (tb[TCA_RSVP_CLASSID-1]) - f->res.classid = nla_get_u32(tb[TCA_RSVP_CLASSID-1]); + if (tb[TCA_RSVP_CLASSID]) + f->res.classid = nla_get_u32(tb[TCA_RSVP_CLASSID]); - dst = nla_data(tb[TCA_RSVP_DST-1]); + dst = nla_data(tb[TCA_RSVP_DST]); h1 = hash_dst(dst, pinfo ? pinfo->protocol : 0, pinfo ? pinfo->tunnelid : 0); err = -ENOMEM; @@ -642,8 +642,7 @@ nla_put_failure: return -1; } -static struct tcf_proto_ops RSVP_OPS = { - .next = NULL, +static struct tcf_proto_ops RSVP_OPS __read_mostly = { .kind = RSVP_ID, .classify = rsvp_classify, .init = rsvp_init, diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c index 167c880cf8da..76388b083f28 100644 --- a/net/sctp/sm_sideeffect.c +++ b/net/sctp/sm_sideeffect.c @@ -1689,6 +1689,11 @@ static int sctp_cmd_interpreter(sctp_event_t event_type, case SCTP_CMD_PURGE_ASCONF_QUEUE: sctp_asconf_queue_teardown(asoc); break; + + case SCTP_CMD_SET_ASOC: + asoc = cmd->obj.asoc; + break; + default: pr_warn("Impossible command: %u, %p\n", cmd->verb, cmd->obj.ptr); diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c index 49b847b00f99..a0f31e6c1c63 100644 --- a/net/sctp/sm_statefuns.c +++ b/net/sctp/sm_statefuns.c @@ -2047,6 +2047,12 @@ sctp_disposition_t sctp_sf_do_5_2_4_dupcook(const struct sctp_endpoint *ep, sctp_add_cmd_sf(commands, SCTP_CMD_NEW_ASOC, SCTP_ASOC(new_asoc)); sctp_add_cmd_sf(commands, SCTP_CMD_DELETE_TCB, SCTP_NULL()); + /* Restore association pointer to provide SCTP command interpeter + * with a valid context in case it needs to manipulate + * the queues */ + sctp_add_cmd_sf(commands, SCTP_CMD_SET_ASOC, + SCTP_ASOC((struct sctp_association *)asoc)); + return retval; nomem: diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index e83e7fee3bc0..ea40d540a990 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -4113,9 +4113,12 @@ static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, if (len % sizeof(u32)) return -EINVAL; + if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES) + return -EINVAL; + memcpy(settings->akm_suites, data, len); - for (i = 0; i < settings->n_ciphers_pairwise; i++) + for (i = 0; i < settings->n_akm_suites; i++) if (!nl80211_valid_akm_suite(settings->akm_suites[i])) return -EINVAL; } diff --git a/net/wireless/reg.c b/net/wireless/reg.c index 02751dbc5a97..68a471ba193f 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -852,6 +852,7 @@ static void handle_channel(struct wiphy *wiphy, return; } + chan->beacon_found = false; chan->flags = flags | bw_flags | map_regdom_flags(reg_rule->flags); chan->max_antenna_gain = min(chan->orig_mag, (int) MBI_TO_DBI(power_rule->max_antenna_gain)); diff --git a/net/wireless/sme.c b/net/wireless/sme.c index b7b6ff8be553..dec0fa28372e 100644 --- a/net/wireless/sme.c +++ b/net/wireless/sme.c @@ -118,6 +118,8 @@ static int cfg80211_conn_scan(struct wireless_dev *wdev) i++, j++) request->channels[i] = &wdev->wiphy->bands[band]->channels[j]; + request->rates[band] = + (1 << wdev->wiphy->bands[band]->n_bitrates) - 1; } } request->n_channels = n_channels; diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c index a026b0ef2443..54a0dc2e2f8d 100644 --- a/net/xfrm/xfrm_input.c +++ b/net/xfrm/xfrm_input.c @@ -212,6 +212,11 @@ resume: /* only the first xfrm gets the encap type */ encap_type = 0; + if (async && x->repl->check(x, skb, seq)) { + XFRM_INC_STATS(net, LINUX_MIB_XFRMINSTATESEQERROR); + goto drop_unlock; + } + x->repl->advance(x, seq); x->curlft.bytes += skb->len; diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c index 94fdcc7f1030..552df27dcf53 100644 --- a/net/xfrm/xfrm_policy.c +++ b/net/xfrm/xfrm_policy.c @@ -1349,14 +1349,16 @@ static inline struct xfrm_dst *xfrm_alloc_dst(struct net *net, int family) BUG(); } xdst = dst_alloc(dst_ops, NULL, 0, 0, 0); - memset(&xdst->u.rt6.rt6i_table, 0, sizeof(*xdst) - sizeof(struct dst_entry)); - xfrm_policy_put_afinfo(afinfo); - if (likely(xdst)) + if (likely(xdst)) { + memset(&xdst->u.rt6.rt6i_table, 0, + sizeof(*xdst) - sizeof(struct dst_entry)); xdst->flo.ops = &xfrm_bundle_fc_ops; - else + } else xdst = ERR_PTR(-ENOBUFS); + xfrm_policy_put_afinfo(afinfo); + return xdst; } |
