diff options
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/blkdev.h | 2 | ||||
-rw-r--r-- | include/linux/blktrace_api.h | 18 | ||||
-rw-r--r-- | include/linux/compiler.h | 6 | ||||
-rw-r--r-- | include/linux/fs.h | 2 | ||||
-rw-r--r-- | include/linux/pnp.h | 29 | ||||
-rw-r--r-- | include/linux/tty.h | 2 | ||||
-rw-r--r-- | include/linux/virtio_net.h | 24 | ||||
-rw-r--r-- | include/net/addrconf.h | 6 | ||||
-rw-r--r-- | include/net/ipv6.h | 2 | ||||
-rw-r--r-- | include/net/netfilter/nf_conntrack.h | 2 | ||||
-rw-r--r-- | include/sound/rawmidi.h | 1 |
11 files changed, 60 insertions, 34 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index ad940102451c..5999d8031675 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -568,7 +568,7 @@ struct request_queue { unsigned int sg_reserved_size; int node; #ifdef CONFIG_BLK_DEV_IO_TRACE - struct blk_trace *blk_trace; + struct blk_trace __rcu *blk_trace; struct mutex blk_trace_mutex; #endif /* diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h index 7bb2d8de9f30..3b6ff5902edc 100644 --- a/include/linux/blktrace_api.h +++ b/include/linux/blktrace_api.h @@ -51,9 +51,13 @@ void __trace_note_message(struct blk_trace *, struct blkcg *blkcg, const char *f **/ #define blk_add_cgroup_trace_msg(q, cg, fmt, ...) \ do { \ - struct blk_trace *bt = (q)->blk_trace; \ + struct blk_trace *bt; \ + \ + rcu_read_lock(); \ + bt = rcu_dereference((q)->blk_trace); \ if (unlikely(bt)) \ __trace_note_message(bt, cg, fmt, ##__VA_ARGS__);\ + rcu_read_unlock(); \ } while (0) #define blk_add_trace_msg(q, fmt, ...) \ blk_add_cgroup_trace_msg(q, NULL, fmt, ##__VA_ARGS__) @@ -61,10 +65,14 @@ void __trace_note_message(struct blk_trace *, struct blkcg *blkcg, const char *f static inline bool blk_trace_note_message_enabled(struct request_queue *q) { - struct blk_trace *bt = q->blk_trace; - if (likely(!bt)) - return false; - return bt->act_mask & BLK_TC_NOTIFY; + struct blk_trace *bt; + bool ret; + + rcu_read_lock(); + bt = rcu_dereference(q->blk_trace); + ret = bt && (bt->act_mask & BLK_TC_NOTIFY); + rcu_read_unlock(); + return ret; } extern void blk_add_driver_data(struct request_queue *q, struct request *rq, diff --git a/include/linux/compiler.h b/include/linux/compiler.h index 3ffe3f3f7903..3b6e6522e0ec 100644 --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -382,4 +382,10 @@ unsigned long read_word_at_a_time(const void *addr) (_________p1); \ }) +/* + * This is needed in functions which generate the stack canary, see + * arch/x86/kernel/smpboot.c::start_secondary() for an example. + */ +#define prevent_tail_call_optimization() mb() + #endif /* __LINUX_COMPILER_H */ diff --git a/include/linux/fs.h b/include/linux/fs.h index 112fe40d62a8..68574d13f015 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -900,7 +900,7 @@ struct file_handle { __u32 handle_bytes; int handle_type; /* file identifier */ - unsigned char f_handle[0]; + unsigned char f_handle[]; }; static inline struct file *get_file(struct file *f) diff --git a/include/linux/pnp.h b/include/linux/pnp.h index 3b12fd28af78..fc4df3ccefc9 100644 --- a/include/linux/pnp.h +++ b/include/linux/pnp.h @@ -220,10 +220,8 @@ struct pnp_card { #define global_to_pnp_card(n) list_entry(n, struct pnp_card, global_list) #define protocol_to_pnp_card(n) list_entry(n, struct pnp_card, protocol_list) #define to_pnp_card(n) container_of(n, struct pnp_card, dev) -#define pnp_for_each_card(card) \ - for((card) = global_to_pnp_card(pnp_cards.next); \ - (card) != global_to_pnp_card(&pnp_cards); \ - (card) = global_to_pnp_card((card)->global_list.next)) +#define pnp_for_each_card(card) \ + list_for_each_entry(card, &pnp_cards, global_list) struct pnp_card_link { struct pnp_card *card; @@ -276,14 +274,9 @@ struct pnp_dev { #define card_to_pnp_dev(n) list_entry(n, struct pnp_dev, card_list) #define protocol_to_pnp_dev(n) list_entry(n, struct pnp_dev, protocol_list) #define to_pnp_dev(n) container_of(n, struct pnp_dev, dev) -#define pnp_for_each_dev(dev) \ - for((dev) = global_to_pnp_dev(pnp_global.next); \ - (dev) != global_to_pnp_dev(&pnp_global); \ - (dev) = global_to_pnp_dev((dev)->global_list.next)) -#define card_for_each_dev(card,dev) \ - for((dev) = card_to_pnp_dev((card)->devices.next); \ - (dev) != card_to_pnp_dev(&(card)->devices); \ - (dev) = card_to_pnp_dev((dev)->card_list.next)) +#define pnp_for_each_dev(dev) list_for_each_entry(dev, &pnp_global, global_list) +#define card_for_each_dev(card, dev) \ + list_for_each_entry(dev, &(card)->devices, card_list) #define pnp_dev_name(dev) (dev)->name static inline void *pnp_get_drvdata(struct pnp_dev *pdev) @@ -437,14 +430,10 @@ struct pnp_protocol { }; #define to_pnp_protocol(n) list_entry(n, struct pnp_protocol, protocol_list) -#define protocol_for_each_card(protocol,card) \ - for((card) = protocol_to_pnp_card((protocol)->cards.next); \ - (card) != protocol_to_pnp_card(&(protocol)->cards); \ - (card) = protocol_to_pnp_card((card)->protocol_list.next)) -#define protocol_for_each_dev(protocol,dev) \ - for((dev) = protocol_to_pnp_dev((protocol)->devices.next); \ - (dev) != protocol_to_pnp_dev(&(protocol)->devices); \ - (dev) = protocol_to_pnp_dev((dev)->protocol_list.next)) +#define protocol_for_each_card(protocol, card) \ + list_for_each_entry(card, &(protocol)->cards, protocol_list) +#define protocol_for_each_dev(protocol, dev) \ + list_for_each_entry(dev, &(protocol)->devices, protocol_list) extern struct bus_type pnp_bus_type; diff --git a/include/linux/tty.h b/include/linux/tty.h index ead308e996c0..2f1b61d8b151 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -65,7 +65,7 @@ struct tty_buffer { int read; int flags; /* Data points here */ - unsigned long data[0]; + unsigned long data[]; }; /* Values for .flags field of tty_buffer */ diff --git a/include/linux/virtio_net.h b/include/linux/virtio_net.h index e0348cb0a1dd..44e20c4b5141 100644 --- a/include/linux/virtio_net.h +++ b/include/linux/virtio_net.h @@ -3,6 +3,8 @@ #define _LINUX_VIRTIO_NET_H #include <linux/if_vlan.h> +#include <uapi/linux/tcp.h> +#include <uapi/linux/udp.h> #include <uapi/linux/virtio_net.h> static inline int virtio_net_hdr_set_proto(struct sk_buff *skb, @@ -28,17 +30,25 @@ static inline int virtio_net_hdr_to_skb(struct sk_buff *skb, bool little_endian) { unsigned int gso_type = 0; + unsigned int thlen = 0; + unsigned int ip_proto; if (hdr->gso_type != VIRTIO_NET_HDR_GSO_NONE) { switch (hdr->gso_type & ~VIRTIO_NET_HDR_GSO_ECN) { case VIRTIO_NET_HDR_GSO_TCPV4: gso_type = SKB_GSO_TCPV4; + ip_proto = IPPROTO_TCP; + thlen = sizeof(struct tcphdr); break; case VIRTIO_NET_HDR_GSO_TCPV6: gso_type = SKB_GSO_TCPV6; + ip_proto = IPPROTO_TCP; + thlen = sizeof(struct tcphdr); break; case VIRTIO_NET_HDR_GSO_UDP: gso_type = SKB_GSO_UDP; + ip_proto = IPPROTO_UDP; + thlen = sizeof(struct udphdr); break; default: return -EINVAL; @@ -57,16 +67,20 @@ static inline int virtio_net_hdr_to_skb(struct sk_buff *skb, if (!skb_partial_csum_set(skb, start, off)) return -EINVAL; + + if (skb_transport_offset(skb) + thlen > skb_headlen(skb)) + return -EINVAL; } else { /* gso packets without NEEDS_CSUM do not set transport_offset. * probe and drop if does not match one of the above types. */ if (gso_type && skb->network_header) { + struct flow_keys keys; + if (!skb->protocol) virtio_net_hdr_set_proto(skb, hdr); retry: - skb_probe_transport_header(skb, -1); - if (!skb_transport_header_was_set(skb)) { + if (!skb_flow_dissect_flow_keys(skb, &keys, 0)) { /* UFO does not specify ipv4 or 6: try both */ if (gso_type & SKB_GSO_UDP && skb->protocol == htons(ETH_P_IP)) { @@ -75,6 +89,12 @@ retry: } return -EINVAL; } + + if (keys.control.thoff + thlen > skb_headlen(skb) || + keys.basic.ip_proto != ip_proto) + return -EINVAL; + + skb_set_transport_header(skb, keys.control.thoff); } } diff --git a/include/net/addrconf.h b/include/net/addrconf.h index 35f5aabd432f..f30ee99a1d72 100644 --- a/include/net/addrconf.h +++ b/include/net/addrconf.h @@ -223,8 +223,10 @@ struct ipv6_stub { const struct in6_addr *addr); int (*ipv6_sock_mc_drop)(struct sock *sk, int ifindex, const struct in6_addr *addr); - int (*ipv6_dst_lookup)(struct net *net, struct sock *sk, - struct dst_entry **dst, struct flowi6 *fl6); + struct dst_entry *(*ipv6_dst_lookup_flow)(struct net *net, + const struct sock *sk, + struct flowi6 *fl6, + const struct in6_addr *final_dst); void (*udpv6_encap_enable)(void); void (*ndisc_send_na)(struct net_device *dev, const struct in6_addr *daddr, const struct in6_addr *solicited_addr, diff --git a/include/net/ipv6.h b/include/net/ipv6.h index 6294d20a5f0e..cc57e136228b 100644 --- a/include/net/ipv6.h +++ b/include/net/ipv6.h @@ -862,7 +862,7 @@ static inline struct sk_buff *ip6_finish_skb(struct sock *sk) int ip6_dst_lookup(struct net *net, struct sock *sk, struct dst_entry **dst, struct flowi6 *fl6); -struct dst_entry *ip6_dst_lookup_flow(const struct sock *sk, struct flowi6 *fl6, +struct dst_entry *ip6_dst_lookup_flow(struct net *net, const struct sock *sk, struct flowi6 *fl6, const struct in6_addr *final_dst); struct dst_entry *ip6_sk_dst_lookup_flow(struct sock *sk, struct flowi6 *fl6, const struct in6_addr *final_dst); diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h index 93bbae8f9641..b6dbc80b6ed1 100644 --- a/include/net/netfilter/nf_conntrack.h +++ b/include/net/netfilter/nf_conntrack.h @@ -80,7 +80,7 @@ struct nf_conn { struct hlist_node nat_bysource; #endif /* all members below initialized via memset */ - u8 __nfct_init_offset[0]; + struct { } __nfct_init_offset; /* If we were expected by an expectation, this will be it */ struct nf_conn *master; diff --git a/include/sound/rawmidi.h b/include/sound/rawmidi.h index c2a71fd8dfaf..1894af415b20 100644 --- a/include/sound/rawmidi.h +++ b/include/sound/rawmidi.h @@ -76,6 +76,7 @@ struct snd_rawmidi_runtime { size_t avail_min; /* min avail for wakeup */ size_t avail; /* max used buffer for wakeup */ size_t xruns; /* over/underruns counter */ + int buffer_ref; /* buffer reference count */ /* misc */ spinlock_t lock; wait_queue_head_t sleep; |