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Message-ID: <f95c09fb-3a97-4afd-87ec-aedc719241c3@molgen.mpg.de>
Date: Tue, 11 Jun 2024 11:01:55 +0200
From: Paul Menzel <pmenzel@...gen.mpg.de>
To: Karen Ostrowska <karen.ostrowska@...el.com>,
Eric Joyner <eric.joyner@...el.com>
Cc: intel-wired-lan@...ts.osuosl.org, netdev@...r.kernel.org,
Przemek Kitszel <przemyslaw.kitszel@...el.com>,
Michal Swiatkowski <michal.swiatkowski@...ux.intel.com>
Subject: Re: [Intel-wired-lan] [iwl-next v1] ice: Check all ice_vsi_rebuild()
errors in function
Dear Eric, dear Karen,
Thank you for the patch.
Am 28.05.24 um 11:01 schrieb Karen Ostrowska:
> From: Eric Joyner <eric.joyner@...el.com>
>
> Check the return value from ice_vsi_rebuild() and prevent the usage of
> incorrectly configured VSI.
Was this found during code review, or is this seen in practice? If the
latter, please document the test system and test case.
> 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>
Should there be a Fixes: tag?
Kind regards,
Paul
> ---
> 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;
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