From 423b937e7dde1291fc0e87bb7a382aafde9d712a Mon Sep 17 00:00:00 2001
From: Ido Schimmel <idosch@mellanox.com>
Date: Mon, 20 Jun 2016 23:04:03 +0200
Subject: [PATCH] mlxsw: spectrum: Use WARN_ON() return value
Instead of checking for a condition and then issue the warning, just do
it in one go and simplify the code.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/ethernet/mellanox/mlxsw/spectrum.c | 16 ++++------------
1 file changed, 4 insertions(+), 12 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
index e55c685ee4f32..f297b10f34787 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
@@ -2980,10 +2980,8 @@ static int mlxsw_sp_port_vlan_link(struct mlxsw_sp_port *mlxsw_sp_port,
u16 vid = vlan_dev_vlan_id(vlan_dev);
mlxsw_sp_vport = mlxsw_sp_port_vport_find(mlxsw_sp_port, vid);
- if (!mlxsw_sp_vport) {
- WARN_ON(!mlxsw_sp_vport);
+ if (WARN_ON(!mlxsw_sp_vport))
return -EINVAL;
- }
mlxsw_sp_vport->dev = vlan_dev;
@@ -2997,10 +2995,8 @@ static int mlxsw_sp_port_vlan_unlink(struct mlxsw_sp_port *mlxsw_sp_port,
u16 vid = vlan_dev_vlan_id(vlan_dev);
mlxsw_sp_vport = mlxsw_sp_port_vport_find(mlxsw_sp_port, vid);
- if (!mlxsw_sp_vport) {
- WARN_ON(!mlxsw_sp_vport);
+ if (WARN_ON(!mlxsw_sp_vport))
return -EINVAL;
- }
/* When removing a VLAN device while still bridged we should first
* remove it from the bridge, as we receive the bridge's notification
@@ -3236,10 +3232,8 @@ static int mlxsw_sp_vport_bridge_leave(struct mlxsw_sp_port *mlxsw_sp_vport,
int err;
vfid = mlxsw_sp_br_vfid_find(mlxsw_sp, br_dev);
- if (!vfid) {
- WARN_ON(!vfid);
+ if (WARN_ON(!vfid))
return -EINVAL;
- }
/* We need a vFID to go back to after leaving the bridge's vFID. */
new_vfid = mlxsw_sp_vfid_find(mlxsw_sp, vid);
@@ -3454,10 +3448,8 @@ static int mlxsw_sp_netdevice_vport_event(struct net_device *dev,
case NETDEV_CHANGEUPPER:
upper_dev = info->upper_dev;
if (info->linking) {
- if (!mlxsw_sp_vport) {
- WARN_ON(!mlxsw_sp_vport);
+ if (WARN_ON(!mlxsw_sp_vport))
return -EINVAL;
- }
err = mlxsw_sp_vport_bridge_join(mlxsw_sp_vport,
upper_dev);
} else {