From 4d5770b39710180644f655b2c6cb0c880d108c63 Mon Sep 17 00:00:00 2001 From: Vivien Didelot Date: Wed, 6 Apr 2016 11:55:05 -0400 Subject: net: dsa: make the VLAN add function return void The switchdev design implies that a software error should not happen in the commit phase since it must have been previously reported in the prepare phase. If an hardware error occurs during the commit phase, there is nothing switchdev can do about it. The DSA layer separates port_vlan_prepare and port_vlan_add for simplicity and convenience. If an hardware error occurs during the commit phase, there is no need to report it outside the driver itself. Make the DSA port_vlan_add routine return void for explicitness. Signed-off-by: Vivien Didelot Signed-off-by: David S. Miller --- drivers/net/dsa/mv88e6xxx.c | 26 +++++++++++--------------- drivers/net/dsa/mv88e6xxx.h | 6 +++--- 2 files changed, 14 insertions(+), 18 deletions(-) (limited to 'drivers/net') diff --git a/drivers/net/dsa/mv88e6xxx.c b/drivers/net/dsa/mv88e6xxx.c index ef36bf6d6cdd..62320fca6712 100644 --- a/drivers/net/dsa/mv88e6xxx.c +++ b/drivers/net/dsa/mv88e6xxx.c @@ -1908,31 +1908,27 @@ static int _mv88e6xxx_port_vlan_add(struct dsa_switch *ds, int port, u16 vid, return _mv88e6xxx_vtu_loadpurge(ds, &vlan); } -int mv88e6xxx_port_vlan_add(struct dsa_switch *ds, int port, - const struct switchdev_obj_port_vlan *vlan, - struct switchdev_trans *trans) +void mv88e6xxx_port_vlan_add(struct dsa_switch *ds, int port, + const struct switchdev_obj_port_vlan *vlan, + struct switchdev_trans *trans) { struct mv88e6xxx_priv_state *ps = ds_to_priv(ds); bool untagged = vlan->flags & BRIDGE_VLAN_INFO_UNTAGGED; bool pvid = vlan->flags & BRIDGE_VLAN_INFO_PVID; u16 vid; - int err = 0; mutex_lock(&ps->smi_mutex); - for (vid = vlan->vid_begin; vid <= vlan->vid_end; ++vid) { - err = _mv88e6xxx_port_vlan_add(ds, port, vid, untagged); - if (err) - goto unlock; - } + for (vid = vlan->vid_begin; vid <= vlan->vid_end; ++vid) + if (_mv88e6xxx_port_vlan_add(ds, port, vid, untagged)) + netdev_err(ds->ports[port], "failed to add VLAN %d%c\n", + vid, untagged ? 'u' : 't'); - /* no PVID with ranges, otherwise it's a bug */ - if (pvid) - err = _mv88e6xxx_port_pvid_set(ds, port, vlan->vid_end); -unlock: - mutex_unlock(&ps->smi_mutex); + if (pvid && _mv88e6xxx_port_pvid_set(ds, port, vlan->vid_end)) + netdev_err(ds->ports[port], "failed to set PVID %d\n", + vlan->vid_end); - return err; + mutex_unlock(&ps->smi_mutex); } static int _mv88e6xxx_port_vlan_del(struct dsa_switch *ds, int port, u16 vid) diff --git a/drivers/net/dsa/mv88e6xxx.h b/drivers/net/dsa/mv88e6xxx.h index a7dccbe229f2..236bcaa606e7 100644 --- a/drivers/net/dsa/mv88e6xxx.h +++ b/drivers/net/dsa/mv88e6xxx.h @@ -503,9 +503,9 @@ int mv88e6xxx_port_vlan_filtering(struct dsa_switch *ds, int port, int mv88e6xxx_port_vlan_prepare(struct dsa_switch *ds, int port, const struct switchdev_obj_port_vlan *vlan, struct switchdev_trans *trans); -int mv88e6xxx_port_vlan_add(struct dsa_switch *ds, int port, - const struct switchdev_obj_port_vlan *vlan, - struct switchdev_trans *trans); +void mv88e6xxx_port_vlan_add(struct dsa_switch *ds, int port, + const struct switchdev_obj_port_vlan *vlan, + struct switchdev_trans *trans); int mv88e6xxx_port_vlan_del(struct dsa_switch *ds, int port, const struct switchdev_obj_port_vlan *vlan); int mv88e6xxx_port_vlan_dump(struct dsa_switch *ds, int port, -- cgit v1.2.3