From e258d919b175e0160a694a20fb309e29fc93d7b1 Mon Sep 17 00:00:00 2001 From: Scott Feldman Date: Wed, 28 Oct 2015 23:17:31 -0700 Subject: [PATCH] switchdev: fix: pass correct obj size when deferring obj add Fixes: 4d429c5dd ("switchdev: introduce possibility to defer obj_add/del") Signed-off-by: Scott Feldman Acked-by: Jiri Pirko Signed-off-by: David S. Miller --- net/switchdev/switchdev.c | 19 +++++++++++++++++-- 1 file changed, 17 insertions(+), 2 deletions(-) diff --git a/net/switchdev/switchdev.c b/net/switchdev/switchdev.c index d6b4a84a4a79..6dfd19e52938 100644 --- a/net/switchdev/switchdev.c +++ b/net/switchdev/switchdev.c @@ -337,6 +337,21 @@ int switchdev_port_attr_set(struct net_device *dev, } EXPORT_SYMBOL_GPL(switchdev_port_attr_set); +static size_t switchdev_obj_size(const struct switchdev_obj *obj) +{ + switch (obj->id) { + case SWITCHDEV_OBJ_ID_PORT_VLAN: + return sizeof(struct switchdev_obj_port_vlan); + case SWITCHDEV_OBJ_ID_IPV4_FIB: + return sizeof(struct switchdev_obj_ipv4_fib); + case SWITCHDEV_OBJ_ID_PORT_FDB: + return sizeof(struct switchdev_obj_port_fdb); + default: + BUG(); + } + return 0; +} + static int __switchdev_port_obj_add(struct net_device *dev, const struct switchdev_obj *obj, struct switchdev_trans *trans) @@ -422,7 +437,7 @@ static void switchdev_port_obj_add_deferred(struct net_device *dev, static int switchdev_port_obj_add_defer(struct net_device *dev, const struct switchdev_obj *obj) { - return switchdev_deferred_enqueue(dev, obj, sizeof(*obj), + return switchdev_deferred_enqueue(dev, obj, switchdev_obj_size(obj), switchdev_port_obj_add_deferred); } @@ -490,7 +505,7 @@ static void switchdev_port_obj_del_deferred(struct net_device *dev, static int switchdev_port_obj_del_defer(struct net_device *dev, const struct switchdev_obj *obj) { - return switchdev_deferred_enqueue(dev, obj, sizeof(*obj), + return switchdev_deferred_enqueue(dev, obj, switchdev_obj_size(obj), switchdev_port_obj_del_deferred); }