[SCTP]: port randomization

Add port randomization rather than a simple fixed rover
for use with SCTP.  This makes it act similar to TCP, UDP, DCCP
when allocating ports.

No longer need port_alloc_lock as well (suggestion by Brian Haley).

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 0 insertions, 3 deletions

diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index 4e6b59e8b695..81b26c5ffd4b 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -1172,9 +1172,6 @@ SCTP_STATIC __init int sctp_init(void)
                 sctp_port_hashtable[i].chain = NULL;
         }
 
-        spin_lock_init(&sctp_port_alloc_lock);
-        sctp_port_rover = sysctl_local_port_range[0] - 1;
-
         printk(KERN_INFO "SCTP: Hash tables configured "
                          "(established %d bind %d)\n",
                 sctp_assoc_hashsize, sctp_port_hashsize);