diff options
Diffstat (limited to 'drivers/hwtracing/coresight/coresight-syscfg-configfs.c')
| -rw-r--r-- | drivers/hwtracing/coresight/coresight-syscfg-configfs.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/hwtracing/coresight/coresight-syscfg-configfs.c b/drivers/hwtracing/coresight/coresight-syscfg-configfs.c index c547816b9000..345a62f1b728 100644 --- a/drivers/hwtracing/coresight/coresight-syscfg-configfs.c +++ b/drivers/hwtracing/coresight/coresight-syscfg-configfs.c @@ -334,9 +334,19 @@ int cscfg_configfs_add_config(struct cscfg_config_desc *config_desc) if (IS_ERR(new_group)) return PTR_ERR(new_group); err = configfs_register_group(&cscfg_configs_grp, new_group); + if (!err) + config_desc->fs_group = new_group; return err; } +void cscfg_configfs_del_config(struct cscfg_config_desc *config_desc) +{ + if (config_desc->fs_group) { + configfs_unregister_group(config_desc->fs_group); + config_desc->fs_group = NULL; + } +} + static struct config_item_type cscfg_features_type = { .ct_owner = THIS_MODULE, }; @@ -358,9 +368,19 @@ int cscfg_configfs_add_feature(struct cscfg_feature_desc *feat_desc) if (IS_ERR(new_group)) return PTR_ERR(new_group); err = configfs_register_group(&cscfg_features_grp, new_group); + if (!err) + feat_desc->fs_group = new_group; return err; } +void cscfg_configfs_del_feature(struct cscfg_feature_desc *feat_desc) +{ + if (feat_desc->fs_group) { + configfs_unregister_group(feat_desc->fs_group); + feat_desc->fs_group = NULL; + } +} + int cscfg_configfs_init(struct cscfg_manager *cscfg_mgr) { struct configfs_subsystem *subsys; |