The current code use the encapsulation key id value as the mask of that
parameter which is wrong. Fix that by using a full mask.
Fixes: bc3103f1ed40 ('net/sched: cls_flower: Classify packet in ip tunnels') Signed-off-by: Hadar Hen Zion <hadarh@mellanox.com> Acked-by: Amir Vadai <amir@vadai.me> Signed-off-by: David S. Miller <davem@davemloft.net>