[TCP/DCCP]: Randomize port selection

This patch randomizes the port selected on bind() for connections
to help with possible security attacks. It should also be faster
in most cases because there is no need for a global lock.

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>

1 files changed, 0 insertions, 2 deletions

diff --git a/include/net/inet_hashtables.h b/include/net/inet_hashtables.h
index f50f95968340..07840baa9341 100644
--- a/include/net/inet_hashtables.h
+++ b/include/net/inet_hashtables.h
@@ -125,9 +125,7 @@ struct inet_hashinfo {
         rwlock_t                        lhash_lock ____cacheline_aligned;
         atomic_t                        lhash_users;
         wait_queue_head_t               lhash_wait;
-        spinlock_t                      portalloc_lock;
         kmem_cache_t                    *bind_bucket_cachep;
-        int                             port_rover;
 };
 
 static inline unsigned int inet_ehashfn(const __u32 laddr, const __u16 lport,