net/core: __hw_addr_create_ex does not initialize sync_cnt

The sync_cnt field is not being initialized, which can result
in arbitrary values in the field.  Fixed by initializing it to zero.

Signed-off-by: Jay Vosburgh <fubar@us.ibm.com>
Reviewed-by: Vlad Yasevich <vyasevic@redhat.com>
Tested-by: Shawn Bohrer <sbohrer@rgmadvisors.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/core/dev_addr_lists.c b/net/core/dev_addr_lists.c
index c013f38482a1ef6572a9de27a2aa39946971b40b..1f919d979db3c97faf63bf748e243724ede5462d 100644 (file)
--- a/net/core/dev_addr_lists.c
+++ b/net/core/dev_addr_lists.c
@@ -39,6 +39,7 @@ static int __hw_addr_create_ex(struct netdev_hw_addr_list *list,
        ha->refcount = 1;
        ha->global_use = global;
        ha->synced = sync;
+       ha->sync_cnt = 0;
        list_add_tail_rcu(&ha->list, &list->list);
        list->count++;