diff options
Diffstat (limited to 'include/net')
| -rw-r--r-- | include/net/bluetooth/bluetooth.h | 18 | ||||
| -rw-r--r-- | include/net/cls_cgroup.h | 3 | ||||
| -rw-r--r-- | include/net/netfilter/nf_conntrack.h | 2 |
3 files changed, 21 insertions, 2 deletions
diff --git a/include/net/bluetooth/bluetooth.h b/include/net/bluetooth/bluetooth.h index 27a902d..30fce01 100644 --- a/include/net/bluetooth/bluetooth.h +++ b/include/net/bluetooth/bluetooth.h @@ -161,12 +161,30 @@ static inline struct sk_buff *bt_skb_send_alloc(struct sock *sk, unsigned long l { struct sk_buff *skb; + release_sock(sk); if ((skb = sock_alloc_send_skb(sk, len + BT_SKB_RESERVE, nb, err))) { skb_reserve(skb, BT_SKB_RESERVE); bt_cb(skb)->incoming = 0; } + lock_sock(sk); + + if (!skb && *err) + return NULL; + + *err = sock_error(sk); + if (*err) + goto out; + + if (sk->sk_shutdown) { + *err = -ECONNRESET; + goto out; + } return skb; + +out: + kfree_skb(skb); + return NULL; } int bt_err(__u16 code); diff --git a/include/net/cls_cgroup.h b/include/net/cls_cgroup.h index ef6c24a..a4dc5b0 100644 --- a/include/net/cls_cgroup.h +++ b/include/net/cls_cgroup.h @@ -51,7 +51,8 @@ static inline u32 task_cls_classid(struct task_struct *p) return 0; rcu_read_lock(); - id = rcu_dereference(net_cls_subsys_id); + id = rcu_dereference_index_check(net_cls_subsys_id, + rcu_read_lock_held()); if (id >= 0) classid = container_of(task_subsys_state(p, id), struct cgroup_cls_state, css)->classid; diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h index e624dae..caf17db 100644 --- a/include/net/netfilter/nf_conntrack.h +++ b/include/net/netfilter/nf_conntrack.h @@ -75,7 +75,7 @@ struct nf_conntrack_helper; /* nf_conn feature for connections that have a helper */ struct nf_conn_help { /* Helper. if any */ - struct nf_conntrack_helper *helper; + struct nf_conntrack_helper __rcu *helper; union nf_conntrack_help help; |