diff options
Diffstat (limited to 'net/core/devlink.c')
| -rw-r--r-- | net/core/devlink.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/net/core/devlink.c b/net/core/devlink.c index 3dfee7cd9929..61d431578f5f 100644 --- a/net/core/devlink.c +++ b/net/core/devlink.c @@ -1887,10 +1887,8 @@ devlink_nl_rate_parent_node_set(struct devlink_rate *devlink_rate, int err = -EOPNOTSUPP; parent = devlink_rate->parent; - if (parent && len) { - NL_SET_ERR_MSG_MOD(info->extack, "Rate object already has parent."); - return -EBUSY; - } else if (parent && !len) { + + if (parent && !len) { if (devlink_rate_is_leaf(devlink_rate)) err = ops->rate_leaf_parent_set(devlink_rate, NULL, devlink_rate->priv, NULL, @@ -1904,7 +1902,7 @@ devlink_nl_rate_parent_node_set(struct devlink_rate *devlink_rate, refcount_dec(&parent->refcnt); devlink_rate->parent = NULL; - } else if (!parent && len) { + } else if (len) { parent = devlink_rate_node_get_by_name(devlink, parent_name); if (IS_ERR(parent)) return -ENODEV; @@ -1931,6 +1929,10 @@ devlink_nl_rate_parent_node_set(struct devlink_rate *devlink_rate, if (err) return err; + if (devlink_rate->parent) + /* we're reassigning to other parent in this case */ + refcount_dec(&devlink_rate->parent->refcnt); + refcount_inc(&parent->refcnt); devlink_rate->parent = parent; } |