diff options
Diffstat (limited to 'net/core/sock.c')
| -rw-r--r-- | net/core/sock.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/net/core/sock.c b/net/core/sock.c index ee6cd2541d35..ab8fafadb4ba 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -270,7 +270,7 @@ out: } EXPORT_SYMBOL(sock_queue_rcv_skb); -int sk_receive_skb(struct sock *sk, struct sk_buff *skb) +int sk_receive_skb(struct sock *sk, struct sk_buff *skb, const int nested) { int rc = NET_RX_SUCCESS; @@ -279,7 +279,10 @@ int sk_receive_skb(struct sock *sk, struct sk_buff *skb) skb->dev = NULL; - bh_lock_sock(sk); + if (nested) + bh_lock_sock_nested(sk); + else + bh_lock_sock(sk); if (!sock_owned_by_user(sk)) { /* * trylock + unlock semantics: @@ -1527,7 +1530,7 @@ void sock_init_data(struct socket *sock, struct sock *sk) atomic_set(&sk->sk_refcnt, 1); } -void fastcall lock_sock(struct sock *sk) +void fastcall lock_sock_nested(struct sock *sk, int subclass) { might_sleep(); spin_lock_bh(&sk->sk_lock.slock); @@ -1538,11 +1541,11 @@ void fastcall lock_sock(struct sock *sk) /* * The sk_lock has mutex_lock() semantics here: */ - mutex_acquire(&sk->sk_lock.dep_map, 0, 0, _RET_IP_); + mutex_acquire(&sk->sk_lock.dep_map, subclass, 0, _RET_IP_); local_bh_enable(); } -EXPORT_SYMBOL(lock_sock); +EXPORT_SYMBOL(lock_sock_nested); void fastcall release_sock(struct sock *sk) { |