int low = sysctl_local_port_range[0];
int high = sysctl_local_port_range[1];
int remaining = (high - low) + 1;
- int rover;
+ int rover = net_random() % (high - low) + low;
- spin_lock(&hashinfo->portalloc_lock);
- if (hashinfo->port_rover < low)
- rover = low;
- else
- rover = hashinfo->port_rover;
do {
- rover++;
- if (rover > high)
- rover = low;
head = &hashinfo->bhash[inet_bhashfn(rover, hashinfo->bhash_size)];
spin_lock(&head->lock);
inet_bind_bucket_for_each(tb, node, &head->chain)
break;
next:
spin_unlock(&head->lock);
+ if (++rover > high)
+ rover = low;
} while (--remaining > 0);
- hashinfo->port_rover = rover;
- spin_unlock(&hashinfo->portalloc_lock);
/* Exhausted local port range during search? It is not
* possible for us to be holding one of the bind hash
EXPORT_SYMBOL_GPL(inet_csk_reqsk_queue_prune);
struct sock *inet_csk_clone(struct sock *sk, const struct request_sock *req,
- const unsigned int __nocast priority)
+ const gfp_t priority)
{
struct sock *newsk = sk_clone(sk, priority);