To avoid some issues, for example RCU usage warning and double free,
we should flush the flows under ovs_lock. This patch refactors
table_instance_destroy and introduces table_instance_flow_flush
which can be invoked by __dp_destroy or ovs_flow_tbl_flush.
Fixes: 50b0e61b32ee ("net: openvswitch: fix possible memleak on destroy flow-table")
Reported-by: Johan Knöös <jknoos@google.com>
Reported-at: https://mail.openvswitch.org/pipermail/ovs-discuss/2020-August/050489.html
Signed-off-by: Tonghao Zhang <xiangxia.m.yue@gmail.com>
Reviewed-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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| .. | ||
| actions.c | ||
| conntrack.c | ||
| conntrack.h | ||
| datapath.c | ||
| datapath.h | ||
| dp_notify.c | ||
| flow_netlink.c | ||
| flow_netlink.h | ||
| flow_table.c | ||
| flow_table.h | ||
| flow.c | ||
| flow.h | ||
| Kconfig | ||
| Makefile | ||
| meter.c | ||
| meter.h | ||
| vport-geneve.c | ||
| vport-gre.c | ||
| vport-internal_dev.c | ||
| vport-internal_dev.h | ||
| vport-netdev.c | ||
| vport-netdev.h | ||
| vport-vxlan.c | ||
| vport.c | ||
| vport.h | ||