From: Scott Feldman <sfel...@gmail.com>

Fixes: 4d429c5dd ("switchdev: introduce possibility to defer obj_add/del")
Signed-off-by: Scott Feldman <sfel...@gmail.com>
Acked-by: Jiri Pirko <j...@mellanox.com>
---
v2->v3: add Jiri's Acked-by
v1->v2: use correct "Fixes" tag, use common func to calc obj size for add/del

 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 56d8479..bff8e2b 100644
--- a/net/switchdev/switchdev.c
+++ b/net/switchdev/switchdev.c
@@ -336,6 +336,21 @@ 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)
@@ -421,7 +436,7 @@ 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);
 }
 
@@ -489,7 +504,7 @@ 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);
 }
 
-- 
1.7.10.4

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