netdev - [PATCH iwl-next v1 09/15] ice: return pointer to representor

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Date: Tue, 24 Oct 2023 13:09:23 +0200
From: Michal Swiatkowski <michal.swiatkowski@...ux.intel.com>
To: intel-wired-lan@...ts.osuosl.org
Cc: netdev@...r.kernel.org,
	piotr.raczynski@...el.com,
	wojciech.drewek@...el.com,
	marcin.szycik@...el.com,
	jacob.e.keller@...el.com,
	przemyslaw.kitszel@...el.com,
	jesse.brandeburg@...el.com,
	Michal Swiatkowski <michal.swiatkowski@...ux.intel.com>
Subject: [PATCH iwl-next v1 09/15] ice: return pointer to representor

In follow up patches it will be easier to obtain created port
representor pointer instead of the id. Without it the pattern from
eswitch side will look like:
- create PR
- get PR based on the id

Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@...el.com>
Reviewed-by: Wojciech Drewek <wojciech.drewek@...el.com>
Reviewed-by: Jacob Keller <jacob.e.keller@...el.com>
Signed-off-by: Michal Swiatkowski <michal.swiatkowski@...ux.intel.com>
---
 drivers/net/ethernet/intel/ice/ice_repr.c | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

diff --git a/drivers/net/ethernet/intel/ice/ice_repr.c b/drivers/net/ethernet/intel/ice/ice_repr.c
index fce25472d053..b29a3d010780 100644
--- a/drivers/net/ethernet/intel/ice/ice_repr.c
+++ b/drivers/net/ethernet/intel/ice/ice_repr.c
@@ -382,7 +382,7 @@ ice_repr_add(struct ice_pf *pf, struct ice_vsi *src_vsi, const u8 *parent_mac)
 	return ERR_PTR(err);
 }
 
-static int ice_repr_add_vf(struct ice_vf *vf)
+static struct ice_repr *ice_repr_add_vf(struct ice_vf *vf)
 {
 	struct ice_repr *repr;
 	struct ice_vsi *vsi;
@@ -390,11 +390,11 @@ static int ice_repr_add_vf(struct ice_vf *vf)
 
 	vsi = ice_get_vf_vsi(vf);
 	if (!vsi)
-		return -EINVAL;
+		return ERR_PTR(-ENOENT);
 
 	err = ice_devlink_create_vf_port(vf);
 	if (err)
-		return err;
+		return ERR_PTR(err);
 
 	repr = ice_repr_add(vf->pf, vsi, vf->hw_lan_addr);
 	if (IS_ERR(repr)) {
@@ -416,13 +416,13 @@ static int ice_repr_add_vf(struct ice_vf *vf)
 
 	ice_virtchnl_set_repr_ops(vf);
 
-	return 0;
+	return repr;
 
 err_netdev:
 	ice_repr_rem(&vf->pf->eswitch.reprs, repr);
 err_repr_add:
 	ice_devlink_destroy_vf_port(vf);
-	return err;
+	return ERR_PTR(err);
 }
 
 /**
@@ -432,6 +432,7 @@ static int ice_repr_add_vf(struct ice_vf *vf)
 int ice_repr_add_for_all_vfs(struct ice_pf *pf)
 {
 	struct devlink *devlink;
+	struct ice_repr *repr;
 	struct ice_vf *vf;
 	unsigned int bkt;
 	int err;
@@ -439,9 +440,11 @@ int ice_repr_add_for_all_vfs(struct ice_pf *pf)
 	lockdep_assert_held(&pf->vfs.table_lock);
 
 	ice_for_each_vf(pf, bkt, vf) {
-		err = ice_repr_add_vf(vf);
-		if (err)
+		repr = ice_repr_add_vf(vf);
+		if (IS_ERR(repr)) {
+			err = PTR_ERR(repr);
 			goto err;
+		}
 	}
 
 	/* only export if ADQ and DCB disabled */
-- 
2.41.0