When a vsi that already exists in the created vsi_list subscribes to the
same filter again, the return value ICE_SUCCESS results in duplicate flow
rules to be stored, which will cause 'flush' and 'destroy' errors.
Fixes: fed0c5ca5f19 ("net/ice/base: support programming a new switch recipe")
Cc: stable@dpdk.org
Signed-off-by: Yiding Zhou <yidingx.zhou@intel.com>
Tested-by: Ke Xu <ke1.xu@intel.com>
43d30256b2