diff options
| author | Jeff Garzik <jgarzik@pobox.com> | 2005-08-29 19:01:43 -0400 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-08-29 19:01:43 -0400 |
| commit | da61396d24e37258817e42537c482e962b4742f7 (patch) | |
| tree | 4293a5d557b8f9fed8a2bac93f1e5c939c7b65c3 /net/ipv6/tcp_ipv6.c | |
| parent | 2f058256cb64e346f4fb4499ff4e0f1c2791a4b4 (diff) | |
| parent | 8f3d17fb7bcb7c255197d11469fb5e9695c9d2f4 (diff) | |
Merge upstream kernel into libata 'passthru' branch
Diffstat (limited to 'net/ipv6/tcp_ipv6.c')
| -rw-r--r-- | net/ipv6/tcp_ipv6.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index f6e288dc116e..ef29cfd936d3 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -158,9 +158,14 @@ static int tcp_v6_get_port(struct sock *sk, unsigned short snum) tcp_port_rover = rover; spin_unlock(&tcp_portalloc_lock); - /* Exhausted local port range during search? */ + /* Exhausted local port range during search? It is not + * possible for us to be holding one of the bind hash + * locks if this test triggers, because if 'remaining' + * drops to zero, we broke out of the do/while loop at + * the top level, not from the 'break;' statement. + */ ret = 1; - if (remaining <= 0) + if (unlikely(remaining <= 0)) goto fail; /* OK, here is the one we will use. */ |