tree 609b8f5f80fe2d3c5d115c3885ed5d51193c40f2
parent 827418081ab177b82ff3032277fca32c3ecc5dc3
author dingtianhong <dingtianhong@huawei.com> 1392970133 +0800
committer David S. Miller <davem@davemloft.net> 1393284503 -0500

bonding: use rcu_dereference() to access curr_active_slave

The bond_info_show_master already in RCU read-side critical section,
and the we access curr_active_slave without the curr_slave_lock, we
could not sure whether the curr_active_slave will be changed during
the processing, so use RCU to protected the pointer.

Cc: Jay Vosburgh <fubar@us.ibm.com>
Cc: Veaceslav Falico <vfalico@redhat.com>
Cc: Andy Gospodarek <andy@greyhouse.net>
Signed-off-by: Ding Tianhong <dingtianhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>