tipc: make tipc random value aware of net namespace
After namespace is supported, each namespace should own its private
random value. So the global variable representing the random value
must be moved to tipc_net structure.
Signed-off-by: Ying Xue <ying.xue@windriver.com>
Tested-by: Tero Aho <Tero.Aho@coriant.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/tipc/core.c b/net/tipc/core.c
index 4a8b795..674bd26 100644
--- a/net/tipc/core.c
+++ b/net/tipc/core.c
@@ -44,9 +44,6 @@
#include <linux/module.h>
-/* global variables used by multiple sub-systems within TIPC */
-int tipc_random __read_mostly;
-
/* configurable TIPC parameters */
int tipc_net_id __read_mostly;
int sysctl_tipc_rmem[3] __read_mostly; /* min/default/max */
@@ -58,6 +55,7 @@
tn->net_id = 4711;
tn->own_addr = 0;
+ get_random_bytes(&tn->random, sizeof(int));
INIT_LIST_HEAD(&tn->node_list);
spin_lock_init(&tn->node_list_lock);
@@ -109,8 +107,6 @@
TIPC_CRITICAL_IMPORTANCE;
sysctl_tipc_rmem[2] = TIPC_CONN_OVERLOAD_LIMIT;
- get_random_bytes(&tipc_random, sizeof(tipc_random));
-
err = tipc_netlink_start();
if (err)
goto out_netlink;