It could be neigh update flow took a refcount on peer flow so
sometimes we cannot release peer flow even if parent flow is
being freed now.
Fixes:
5a7e5bcb663d ("net/mlx5e: Extend tc flow struct with reference counter")
Signed-off-by: Roi Dayan <roid@mellanox.com>
Reviewed-by: Eli Britstein <elibr@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
flow_flag_clear(flow, DUP);
- mlx5e_tc_del_fdb_flow(flow->peer_flow->priv, flow->peer_flow);
- kfree(flow->peer_flow);
+ if (refcount_dec_and_test(&flow->peer_flow->refcnt)) {
+ mlx5e_tc_del_fdb_flow(flow->peer_flow->priv, flow->peer_flow);
+ kfree(flow->peer_flow);
+ }
+
flow->peer_flow = NULL;
}