netdev - [PATCH net-next 5/7] nfp: flower: make nfp_fl_lag_changels

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20181107010734.29935-6-jakub.kicinski@netronome.com>
Date:   Tue,  6 Nov 2018 17:07:32 -0800
From:   Jakub Kicinski <jakub.kicinski@...ronome.com>
To:     davem@...emloft.net
Cc:     netdev@...r.kernel.org, oss-drivers@...ronome.com,
        Jakub Kicinski <jakub.kicinski@...ronome.com>
Subject: [PATCH net-next 5/7] nfp: flower: make nfp_fl_lag_changels_event() void

nfp_fl_lag_changels_event() never fails, and therefore we would
never return NOTIFY_BAD for NETDEV_CHANGELOWERSTATE.  Make this
clearer by changing nfp_fl_lag_changels_event()'s return type
to void.

Signed-off-by: Jakub Kicinski <jakub.kicinski@...ronome.com>
Reviewed-by: John Hurley <john.hurley@...ronome.com>
---
 .../net/ethernet/netronome/nfp/flower/lag_conf.c    | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/drivers/net/ethernet/netronome/nfp/flower/lag_conf.c b/drivers/net/ethernet/netronome/nfp/flower/lag_conf.c
index dc060748b33b..22b75a519269 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/lag_conf.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/lag_conf.c
@@ -582,7 +582,7 @@ nfp_fl_lag_changeupper_event(struct nfp_fl_lag *lag,
 	return 0;
 }
 
-static int
+static void
 nfp_fl_lag_changels_event(struct nfp_fl_lag *lag, struct net_device *netdev,
 			  struct netdev_notifier_changelowerstate_info *info)
 {
@@ -593,18 +593,18 @@ nfp_fl_lag_changels_event(struct nfp_fl_lag *lag, struct net_device *netdev,
 	unsigned long *flags;
 
 	if (!netif_is_lag_port(netdev) || !nfp_netdev_is_nfp_repr(netdev))
-		return 0;
+		return;
 
 	lag_lower_info = info->lower_state_info;
 	if (!lag_lower_info)
-		return 0;
+		return;
 
 	priv = container_of(lag, struct nfp_flower_priv, nfp_lag);
 	repr = netdev_priv(netdev);
 
 	/* Verify that the repr is associated with this app. */
 	if (repr->app != priv->app)
-		return 0;
+		return;
 
 	repr_priv = repr->app_priv;
 	flags = &repr_priv->lag_port_flags;
@@ -624,7 +624,6 @@ nfp_fl_lag_changels_event(struct nfp_fl_lag *lag, struct net_device *netdev,
 	mutex_unlock(&lag->lock);
 
 	schedule_delayed_work(&lag->work, NFP_FL_LAG_DELAY);
-	return 0;
 }
 
 static int
@@ -645,9 +644,7 @@ nfp_fl_lag_netdev_event(struct notifier_block *nb, unsigned long event,
 			return NOTIFY_BAD;
 		return NOTIFY_OK;
 	case NETDEV_CHANGELOWERSTATE:
-		err = nfp_fl_lag_changels_event(lag, netdev, ptr);
-		if (err)
-			return NOTIFY_BAD;
+		nfp_fl_lag_changels_event(lag, netdev, ptr);
 		return NOTIFY_OK;
 	case NETDEV_UNREGISTER:
 		nfp_fl_lag_schedule_group_delete(lag, netdev);
-- 
2.17.1