[PATCH] net/ice: modify related error code to avoid misleading

[peng1x.zhang at intel.com]

From: Peng Zhang <peng1x.zhang at intel.com>

Modify related error code to avoid misleading when fail to create rule.

Signed-off-by: Peng Zhang <peng1x.zhang at intel.com>

Fixes: 285f63fc6bb7 ("net/ice: track DCF state of PF")
Cc: stable at dpdk.org
---
 drivers/net/ice/ice_switch_filter.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ice/ice_switch_filter.c b/drivers/net/ice/ice_switch_filter.c
index 36c9bffb73..80c6a076eb 100644
--- a/drivers/net/ice/ice_switch_filter.c
+++ b/drivers/net/ice/ice_switch_filter.c
@@ -433,11 +433,12 @@ ice_switch_create(struct ice_adapter *ad,
 
 		flow->rule = filter_conf_ptr;
 	} else {
-		if (ice_dcf_adminq_need_retry(ad))
-			ret = -EAGAIN;
+		if (ice_dcf_adminq_need_retry(ad) && ret!= ICE_ERR_ALREADY_EXISTS)
+			ret = -EBUSY;
+		else if(ret == ICE_ERR_ALREADY_EXISTS)
+			ret = -EALREADY;
 		else
 			ret = -EINVAL;
-
 		rte_flow_error_set(error, -ret,
 			RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
 			"switch filter create flow fail");
-- 
2.25.1