netdev - [PATCH net-next 04/19] mlxsw: spectrum_switchdev: Do not assume notifier information type

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Date:   Thu, 11 Oct 2018 07:47:53 +0000
From:   Ido Schimmel <idosch@...lanox.com>
To:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>
CC:     "davem@...emloft.net" <davem@...emloft.net>,
        Jiri Pirko <jiri@...lanox.com>,
        Petr Machata <petrm@...lanox.com>, mlxsw <mlxsw@...lanox.com>,
        Ido Schimmel <idosch@...lanox.com>
Subject: [PATCH net-next 04/19] mlxsw: spectrum_switchdev: Do not assume
 notifier information type

VxLAN notifications are going to use a different notifier information
type, so cast to the correct type based on the received event.

Signed-off-by: Ido Schimmel <idosch@...lanox.com>
Reviewed-by: Petr Machata <petrm@...lanox.com>
---
 drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
index 9edaec95ddd2..fa16ad2c6a50 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
@@ -2343,7 +2343,8 @@ static int mlxsw_sp_switchdev_event(struct notifier_block *unused,
 {
 	struct net_device *dev = switchdev_notifier_info_to_dev(ptr);
 	struct mlxsw_sp_switchdev_event_work *switchdev_work;
-	struct switchdev_notifier_fdb_info *fdb_info = ptr;
+	struct switchdev_notifier_fdb_info *fdb_info;
+	struct switchdev_notifier_info *info = ptr;
 	struct net_device *br_dev;
 
 	/* Tunnel devices are not our uppers, so check their master instead */
@@ -2367,6 +2368,9 @@ static int mlxsw_sp_switchdev_event(struct notifier_block *unused,
 	case SWITCHDEV_FDB_DEL_TO_DEVICE: /* fall through */
 	case SWITCHDEV_FDB_ADD_TO_BRIDGE: /* fall through */
 	case SWITCHDEV_FDB_DEL_TO_BRIDGE:
+		fdb_info = container_of(info,
+					struct switchdev_notifier_fdb_info,
+					info);
 		INIT_WORK(&switchdev_work->work,
 			  mlxsw_sp_switchdev_bridge_fdb_event_work);
 		memcpy(&switchdev_work->fdb_info, ptr,
-- 
2.17.1