diff options
Diffstat (limited to 'net/core/sock.c')
| -rw-r--r-- | net/core/sock.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/net/core/sock.c b/net/core/sock.c index f28ea828e..37f73485c 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -71,6 +71,8 @@ * Alan Cox : Generic socket allocation to make hooks * easier (suggested by Craig Metz). * Michael Pall : SO_ERROR returns positive errno again + * Steve Whitehouse: Added default destructor to free + * protocol private data. * * To Fix: * @@ -124,6 +126,8 @@ __u32 sysctl_rmem_max = SK_RMEM_MAX; __u32 sysctl_wmem_default = SK_WMEM_MAX; __u32 sysctl_rmem_default = SK_RMEM_MAX; +int sysctl_core_destroy_delay = SOCK_DESTROY_TIME; + /* * This is meant for all protocols to use and covers goings on * at the socket level. Everything here is generic. @@ -465,6 +469,9 @@ struct sock *sk_alloc(int priority) void sk_free(struct sock *sk) { + if (sk->destruct) + sk->destruct(sk); + kmem_cache_free(sk_cachep, sk); } @@ -787,7 +794,7 @@ void sklist_destroy_socket(struct sock **list,struct sock *sk) * Someone is using our buffers still.. defer */ init_timer(&sk->timer); - sk->timer.expires=jiffies+10*HZ; + sk->timer.expires=jiffies+sysctl_core_destroy_delay; sk->timer.function=sklist_destroy_timer; sk->timer.data = (unsigned long)sk; add_timer(&sk->timer); @@ -874,6 +881,12 @@ void sock_def_callback3(struct sock *sk) } } +void sock_def_destruct(struct sock *sk) +{ + if (sk->protinfo.destruct_hook) + kfree(sk->protinfo.destruct_hook); +} + void sock_init_data(struct socket *sock, struct sock *sk) { skb_queue_head_init(&sk->receive_queue); @@ -901,6 +914,7 @@ void sock_init_data(struct socket *sock, struct sock *sk) sk->data_ready = sock_def_callback2; sk->write_space = sock_def_callback3; sk->error_report = sock_def_callback1; + sk->destruct = sock_def_destruct; sk->peercred.pid = 0; sk->peercred.uid = -1; |