netdev - [iwl-next v1] ice: Check all ice_vsi

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Message-Id: <20240528090140.221964-1-karen.ostrowska@intel.com>
Date: Tue, 28 May 2024 11:01:40 +0200
From: Karen Ostrowska <karen.ostrowska@...el.com>
To: intel-wired-lan@...ts.osuosl.org
Cc: Eric Joyner <eric.joyner@...el.com>,
	netdev@...r.kernel.org,
	Michal Swiatkowski <michal.swiatkowski@...ux.intel.com>,
	Przemek Kitszel <przemyslaw.kitszel@...el.com>,
	Karen Ostrowska <karen.ostrowska@...el.com>
Subject: [iwl-next v1] ice: Check all ice_vsi_rebuild() errors in function

From: Eric Joyner <eric.joyner@...el.com>

Check the return value from ice_vsi_rebuild() and prevent the usage of
incorrectly configured VSI.

Reviewed-by: Michal Swiatkowski <michal.swiatkowski@...ux.intel.com>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@...el.com>
Signed-off-by: Eric Joyner <eric.joyner@...el.com>
Signed-off-by: Karen Ostrowska <karen.ostrowska@...el.com>
---
 drivers/net/ethernet/intel/ice/ice_main.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c
index f60c022f7960..e8c30b1730a6 100644
--- a/drivers/net/ethernet/intel/ice/ice_main.c
+++ b/drivers/net/ethernet/intel/ice/ice_main.c
@@ -4135,15 +4135,23 @@ int ice_vsi_recfg_qs(struct ice_vsi *vsi, int new_rx, int new_tx, bool locked)
 
 	/* set for the next time the netdev is started */
 	if (!netif_running(vsi->netdev)) {
-		ice_vsi_rebuild(vsi, ICE_VSI_FLAG_NO_INIT);
+		err = ice_vsi_rebuild(vsi, ICE_VSI_FLAG_NO_INIT);
+		if (err)
+			goto rebuild_err;
 		dev_dbg(ice_pf_to_dev(pf), "Link is down, queue count change happens when link is brought up\n");
 		goto done;
 	}
 
 	ice_vsi_close(vsi);
-	ice_vsi_rebuild(vsi, ICE_VSI_FLAG_NO_INIT);
+	err = ice_vsi_rebuild(vsi, ICE_VSI_FLAG_NO_INIT);
+	if (err)
+		goto rebuild_err;
+
 	ice_pf_dcb_recfg(pf, locked);
 	ice_vsi_open(vsi);
+
+rebuild_err:
+	dev_err(ice_pf_to_dev(pf), "Error during VSI rebuild: %d. Unload and reload the driver.\n", err);
 done:
 	clear_bit(ICE_CFG_BUSY, pf->state);
 	return err;
-- 
2.31.1