diff mbox series

[S18,10/15] ice: Separate if conditions for ice_set_features()

Message ID 20190416172128.27184-11-anirudh.venkataramanan@intel.com
State Accepted
Delegated to: Jeff Kirsher
Headers show
Series Fixes and feature updates for ice | expand

Commit Message

Anirudh Venkataramanan April 16, 2019, 5:21 p.m. UTC 
From: Tony Nguyen <anthony.l.nguyen@intel.com>

Set features can have multiple features turned on|off in a single
call.  Grouping these all in an if/else means after one condition
is met, other conditions/features will not be evaluated.  Break
the if/else statements by feature to ensure all features will be
handled properly.

Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
---
 drivers/net/ethernet/intel/ice/ice_main.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

Comments

Bowers, AndrewX April 26, 2019, 8:36 p.m. UTC | #1 
> -----Original Message-----
> From: Intel-wired-lan [mailto:intel-wired-lan-bounces@osuosl.org] On
> Behalf Of Anirudh Venkataramanan
> Sent: Tuesday, April 16, 2019 10:21 AM
> To: intel-wired-lan@lists.osuosl.org
> Subject: [Intel-wired-lan] [PATCH S18 10/15] ice: Separate if conditions for
> ice_set_features()
> 
> From: Tony Nguyen <anthony.l.nguyen@intel.com>
> 
> Set features can have multiple features turned on|off in a single call.
> Grouping these all in an if/else means after one condition is met, other
> conditions/features will not be evaluated.  Break the if/else statements by
> feature to ensure all features will be handled properly.
> 
> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
> Signed-off-by: Anirudh Venkataramanan
> <anirudh.venkataramanan@intel.com>
> ---
>  drivers/net/ethernet/intel/ice/ice_main.c | 8 ++++++--
>  1 file changed, 6 insertions(+), 2 deletions(-)

Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
diff mbox series

Patch

diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c
index 2352b4129a62..aa832d9b2458 100644
--- a/drivers/net/ethernet/intel/ice/ice_main.c
+++ b/drivers/net/ethernet/intel/ice/ice_main.c
@@ -2873,6 +2873,9 @@  ice_set_features(struct net_device *netdev, netdev_features_t features)
 	struct ice_vsi *vsi = np->vsi;
 	int ret = 0;
 
+	/* Multiple features can be changed in one call so keep features in
+	 * separate if/else statements to guarantee each feature is checked
+	 */
 	if (features & NETIF_F_RXHASH && !(netdev->features & NETIF_F_RXHASH))
 		ret = ice_vsi_manage_rss_lut(vsi, true);
 	else if (!(features & NETIF_F_RXHASH) &&
@@ -2885,8 +2888,9 @@  ice_set_features(struct net_device *netdev, netdev_features_t features)
 	else if (!(features & NETIF_F_HW_VLAN_CTAG_RX) &&
 		 (netdev->features & NETIF_F_HW_VLAN_CTAG_RX))
 		ret = ice_vsi_manage_vlan_stripping(vsi, false);
-	else if ((features & NETIF_F_HW_VLAN_CTAG_TX) &&
-		 !(netdev->features & NETIF_F_HW_VLAN_CTAG_TX))
+
+	if ((features & NETIF_F_HW_VLAN_CTAG_TX) &&
+	    !(netdev->features & NETIF_F_HW_VLAN_CTAG_TX))
 		ret = ice_vsi_manage_vlan_insertion(vsi);
 	else if (!(features & NETIF_F_HW_VLAN_CTAG_TX) &&
 		 (netdev->features & NETIF_F_HW_VLAN_CTAG_TX))