commit | 746a1eda682cb7b5cd22f1b437da2121af64fbfe | [log] [tgz] |
---|---|---|
author | Hoang Le <hoang.h.le@dektech.com.au> | Fri Mar 13 10:18:03 2020 +0700 |
committer | David S. Miller <davem@davemloft.net> | Sun Mar 15 00:07:00 2020 -0700 |
tree | 2cbd7efd493149d7403b5eb8ce615ec63b6c38cf | |
parent | e228c5c0882e809e4fb3eafd07ec25ff50f65ac5 [diff] |
tipc: add NULL pointer check to prevent kernel oops Calling: tipc_node_link_down()-> - tipc_node_write_unlock()->tipc_mon_peer_down() - tipc_mon_peer_down() just after disabling bearer could be caused kernel oops. Fix this by adding a sanity check to make sure valid memory access. Acked-by: Jon Maloy <jmaloy@redhat.com> Signed-off-by: Hoang Le <hoang.h.le@dektech.com.au> Signed-off-by: David S. Miller <davem@davemloft.net>