/* associated socket ceases to exist */ static void pep_sock_close(struct sock *sk, long timeout) { struct pep_sock *pn = pep_sk(sk); int ifindex = 0; sock_hold(sk); /* keep a reference after sk_common_release() */ sk_common_release(sk); lock_sock(sk); if (sk->sk_state == TCP_LISTEN) { /* Destroy the listen queue */ struct sock *sknode; struct hlist_node *p, *n; sk_for_each_safe(sknode, p, n, &pn->ackq) sk_del_node_init(sknode); sk->sk_state = TCP_CLOSE; } ifindex = pn->ifindex; pn->ifindex = 0; release_sock(sk); if (ifindex) gprs_detach(sk); sock_put(sk); }
static int nl_pid_hash_rehash(struct nl_pid_hash *hash, int grow) { unsigned int omask, mask, shift; size_t osize, size; struct hlist_head *otable, *table; int i; omask = mask = hash->mask; osize = size = (mask + 1) * sizeof(*table); shift = hash->shift; if (grow) { if (++shift > hash->max_shift) return 0; mask = mask * 2 + 1; size *= 2; } table = nl_pid_hash_alloc(size); if (!table) return 0; memset(table, 0, size); otable = hash->table; hash->table = table; hash->mask = mask; hash->shift = shift; get_random_bytes(&hash->rnd, sizeof(hash->rnd)); for (i = 0; i <= omask; i++) { struct sock *sk; struct hlist_node *node, *tmp; sk_for_each_safe(sk, node, tmp, &otable[i]) __sk_add_node(sk, nl_pid_hashfn(hash, nlk_sk(sk)->pid)); } nl_pid_hash_free(otable, osize); hash->rehash_time = jiffies + 10 * 60 * HZ; return 1; }