diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/infiniband/core/cma_configfs.c | 31 | ||||
| -rw-r--r-- | drivers/target/iscsi/iscsi_target_configfs.c | 75 | ||||
| -rw-r--r-- | drivers/target/target_core_configfs.c | 203 | ||||
| -rw-r--r-- | drivers/target/target_core_fabric_configfs.c | 194 | ||||
| -rw-r--r-- | drivers/target/target_core_internal.h | 1 | ||||
| -rw-r--r-- | drivers/target/target_core_stat.c | 41 | ||||
| -rw-r--r-- | drivers/usb/gadget/configfs.c | 36 | ||||
| -rw-r--r-- | drivers/usb/gadget/function/f_mass_storage.c | 6 | ||||
| -rw-r--r-- | drivers/usb/gadget/function/f_rndis.c | 5 | ||||
| -rw-r--r-- | drivers/usb/gadget/function/uvc_configfs.c | 198 |
10 files changed, 237 insertions, 553 deletions
diff --git a/drivers/infiniband/core/cma_configfs.c b/drivers/infiniband/core/cma_configfs.c index 18b112aa577e..41573df1d9fc 100644 --- a/drivers/infiniband/core/cma_configfs.c +++ b/drivers/infiniband/core/cma_configfs.c @@ -49,8 +49,6 @@ struct cma_dev_group { char name[IB_DEVICE_NAME_MAX]; struct config_group device_group; struct config_group ports_group; - struct config_group *default_dev_group[2]; - struct config_group **default_ports_group; struct cma_dev_port_group *ports; }; @@ -158,7 +156,6 @@ static int make_cma_ports(struct cma_dev_group *cma_dev_group, unsigned int i; unsigned int ports_num; struct cma_dev_port_group *ports; - struct config_group **ports_group; int err; ibdev = cma_get_ib_dev(cma_dev); @@ -169,9 +166,8 @@ static int make_cma_ports(struct cma_dev_group *cma_dev_group, ports_num = ibdev->phys_port_cnt; ports = kcalloc(ports_num, sizeof(*cma_dev_group->ports), GFP_KERNEL); - ports_group = kcalloc(ports_num + 1, sizeof(*ports_group), GFP_KERNEL); - if (!ports || !ports_group) { + if (!ports) { err = -ENOMEM; goto free; } @@ -185,18 +181,16 @@ static int make_cma_ports(struct cma_dev_group *cma_dev_group, config_group_init_type_name(&ports[i].group, port_str, &cma_port_group_type); - ports_group[i] = &ports[i].group; + configfs_add_default_group(&ports[i].group, + &cma_dev_group->ports_group); + } - ports_group[i] = NULL; - cma_dev_group->default_ports_group = ports_group; cma_dev_group->ports = ports; return 0; free: kfree(ports); - kfree(ports_group); cma_dev_group->ports = NULL; - cma_dev_group->default_ports_group = NULL; return err; } @@ -220,9 +214,7 @@ static void release_cma_ports_group(struct config_item *item) ports_group); kfree(cma_dev_group->ports); - kfree(cma_dev_group->default_ports_group); cma_dev_group->ports = NULL; - cma_dev_group->default_ports_group = NULL; }; static struct configfs_item_operations cma_ports_item_ops = { @@ -263,22 +255,17 @@ static struct config_group *make_cma_dev(struct config_group *group, strncpy(cma_dev_group->name, name, sizeof(cma_dev_group->name)); - err = make_cma_ports(cma_dev_group, cma_dev); - if (err) - goto fail; - - cma_dev_group->ports_group.default_groups = - cma_dev_group->default_ports_group; config_group_init_type_name(&cma_dev_group->ports_group, "ports", &cma_ports_group_type); - cma_dev_group->device_group.default_groups - = cma_dev_group->default_dev_group; - cma_dev_group->default_dev_group[0] = &cma_dev_group->ports_group; - cma_dev_group->default_dev_group[1] = NULL; + err = make_cma_ports(cma_dev_group, cma_dev); + if (err) + goto fail; config_group_init_type_name(&cma_dev_group->device_group, name, &cma_device_group_type); + configfs_add_default_group(&cma_dev_group->ports_group, + &cma_dev_group->device_group); cma_deref_dev(cma_dev); return &cma_dev_group->device_group; diff --git a/drivers/target/iscsi/iscsi_target_configfs.c b/drivers/target/iscsi/iscsi_target_configfs.c index 2f821de63049..a24443ba59ea 100644 --- a/drivers/target/iscsi/iscsi_target_configfs.c +++ b/drivers/target/iscsi/iscsi_target_configfs.c @@ -771,21 +771,11 @@ static int lio_target_init_nodeacl(struct se_node_acl *se_nacl, { struct iscsi_node_acl *acl = container_of(se_nacl, struct iscsi_node_acl, se_node_acl); - struct config_group *stats_cg = &se_nacl->acl_fabric_stat_group; - - stats_cg->default_groups = kmalloc(sizeof(struct config_group *) * 2, - GFP_KERNEL); - if (!stats_cg->default_groups) { - pr_err("Unable to allocate memory for" - " stats_cg->default_groups\n"); - return -ENOMEM; - } - stats_cg->default_groups[0] = &acl->node_stat_grps.iscsi_sess_stats_group; - stats_cg->default_groups[1] = NULL; config_group_init_type_name(&acl->node_stat_grps.iscsi_sess_stats_group, "iscsi_sess_stats", &iscsi_stat_sess_cit); - + configfs_add_default_group(&acl->node_stat_grps.iscsi_sess_stats_group, + &se_nacl->acl_fabric_stat_group); return 0; } @@ -793,17 +783,8 @@ static void lio_target_cleanup_nodeacl( struct se_node_acl *se_nacl) { struct iscsi_node_acl *acl = container_of(se_nacl, struct iscsi_node_acl, se_node_acl); - struct config_item *df_item; - struct config_group *stats_cg; - int i; - - stats_cg = &acl->se_node_acl.acl_fabric_stat_group; - for (i = 0; stats_cg->default_groups[i]; i++) { - df_item = &stats_cg->default_groups[i]->cg_item; - stats_cg->default_groups[i] = NULL; - config_item_put(df_item); - } - kfree(stats_cg->default_groups); + + configfs_remove_default_groups(&acl->se_node_acl.acl_fabric_stat_group); } /* End items for lio_target_acl_cit */ @@ -1260,42 +1241,37 @@ static struct se_wwn *lio_target_call_coreaddtiqn( struct config_group *group, const char *name) { - struct config_group *stats_cg; struct iscsi_tiqn *tiqn; tiqn = iscsit_add_tiqn((unsigned char *)name); if (IS_ERR(tiqn)) return ERR_CAST(tiqn); - /* - * Setup struct iscsi_wwn_stat_grps for se_wwn->fabric_stat_group. - */ - stats_cg = &tiqn->tiqn_wwn.fabric_stat_group; - - stats_cg->default_groups = kmalloc(sizeof(struct config_group *) * 6, - GFP_KERNEL); - if (!stats_cg->default_groups) { - pr_err("Unable to allocate memory for" - " stats_cg->default_groups\n"); - iscsit_del_tiqn(tiqn); - return ERR_PTR(-ENOMEM); - } - stats_cg->default_groups[0] = &tiqn->tiqn_stat_grps.iscsi_instance_group; - stats_cg->default_groups[1] = &tiqn->tiqn_stat_grps.iscsi_sess_err_group; - stats_cg->default_groups[2] = &tiqn->tiqn_stat_grps.iscsi_tgt_attr_group; - stats_cg->default_groups[3] = &tiqn->tiqn_stat_grps.iscsi_login_stats_group; - stats_cg->default_groups[4] = &tiqn->tiqn_stat_grps.iscsi_logout_stats_group; - stats_cg->default_groups[5] = NULL; config_group_init_type_name(&tiqn->tiqn_stat_grps.iscsi_instance_group, "iscsi_instance", &iscsi_stat_instance_cit); + configfs_add_default_group(&tiqn->tiqn_stat_grps.iscsi_instance_group, + &tiqn->tiqn_wwn.fabric_stat_group); + config_group_init_type_name(&tiqn->tiqn_stat_grps.iscsi_sess_err_group, "iscsi_sess_err", &iscsi_stat_sess_err_cit); + configfs_add_default_group(&tiqn->tiqn_stat_grps.iscsi_sess_err_group, + &tiqn->tiqn_wwn.fabric_stat_group); + config_group_init_type_name(&tiqn->tiqn_stat_grps.iscsi_tgt_attr_group, "iscsi_tgt_attr", &iscsi_stat_tgt_attr_cit); + configfs_add_default_group(&tiqn->tiqn_stat_grps.iscsi_tgt_attr_group, + &tiqn->tiqn_wwn.fabric_stat_group); + config_group_init_type_name(&tiqn->tiqn_stat_grps.iscsi_login_stats_group, "iscsi_login_stats", &iscsi_stat_login_cit); + configfs_add_default_group(&tiqn->tiqn_stat_grps.iscsi_login_stats_group, + &tiqn->tiqn_wwn.fabric_stat_group); + config_group_init_type_name(&tiqn->tiqn_stat_grps.iscsi_logout_stats_group, "iscsi_logout_stats", &iscsi_stat_logout_cit); + configfs_add_default_group(&tiqn->tiqn_stat_grps.iscsi_logout_stats_group, + &tiqn->tiqn_wwn.fabric_stat_group); + pr_debug("LIO_Target_ConfigFS: REGISTER -> %s\n", tiqn->tiqn); pr_debug("LIO_Target_ConfigFS: REGISTER -> Allocated Node:" @@ -1307,17 +1283,8 @@ static void lio_target_call_coredeltiqn( struct se_wwn *wwn) { struct iscsi_tiqn *tiqn = container_of(wwn, struct iscsi_tiqn, tiqn_wwn); - struct config_item *df_item; - struct config_group *stats_cg; - int i; - - stats_cg = &tiqn->tiqn_wwn.fabric_stat_group; - for (i = 0; stats_cg->default_groups[i]; i++) { - df_item = &stats_cg->default_groups[i]->cg_item; - stats_cg->default_groups[i] = NULL; - config_item_put(df_item); - } - kfree(stats_cg->default_groups); + + configfs_remove_default_groups(&tiqn->tiqn_wwn.fabric_stat_group); pr_debug("LIO_Target_ConfigFS: DEREGISTER -> %s\n", tiqn->tiqn); diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c index 713c63d9681b..d498533f09ee 100644 --- a/drivers/target/target_core_configfs.c +++ b/drivers/target/target_core_configfs.c @@ -194,13 +194,11 @@ static struct config_group *target_core_register_fabric( pr_debug("Target_Core_ConfigFS: REGISTER tfc_wwn_cit -> %p\n", &tf->tf_wwn_cit); - tf->tf_group.default_groups = tf->tf_default_groups; - tf->tf_group.default_groups[0] = &tf->tf_disc_group; - tf->tf_group.default_groups[1] = NULL; - config_group_init_type_name(&tf->tf_group, name, &tf->tf_wwn_cit); + config_group_init_type_name(&tf->tf_disc_group, "discovery_auth", &tf->tf_discovery_cit); + configfs_add_default_group(&tf->tf_disc_group, &tf->tf_group); pr_debug("Target_Core_ConfigFS: REGISTER -> Allocated Fabric:" " %s\n", tf->tf_group.cg_item.ci_name); @@ -216,9 +214,6 @@ static void target_core_deregister_fabric( { struct target_fabric_configfs *tf = container_of( to_config_group(item), struct target_fabric_configfs, tf_group); - struct config_group *tf_group; - struct config_item *df_item; - int i; pr_debug("Target_Core_ConfigFS: DEREGISTER -> Looking up %s in" " tf list\n", config_item_name(item)); @@ -230,12 +225,7 @@ static void target_core_deregister_fabric( pr_debug("Target_Core_ConfigFS: DEREGISTER -> Releasing ci" " %s\n", config_item_name(item)); - tf_group = &tf->tf_group; - for (i = 0; tf_group->default_groups[i]; i++) { - df_item = &tf_group->default_groups[i]->cg_item; - tf_group->default_groups[i] = NULL; - config_item_put(df_item); - } + configfs_remove_default_groups(&tf->tf_group); config_item_put(item); } @@ -2151,7 +2141,6 @@ static void target_core_dev_release(struct config_item *item) struct se_device *dev = container_of(dev_cg, struct se_device, dev_group); - kfree(dev_cg->default_groups); target_free_device(dev); } @@ -2819,8 +2808,6 @@ static struct config_group *target_core_make_subdev( struct se_hba *hba = item_to_hba(hba_ci); struct target_backend *tb = hba->backend; struct se_device *dev; - struct config_group *dev_cg = NULL, *tg_pt_gp_cg = NULL; - struct config_group *dev_stat_grp = NULL; int errno = -ENOMEM, ret; ret = mutex_lock_interruptible(&hba->hba_access_mutex); @@ -2831,73 +2818,52 @@ static struct config_group *target_core_make_subdev( if (!dev) goto out_unlock; - dev_cg = &dev->dev_group; - - dev_cg->default_groups = kmalloc(sizeof(struct config_group *) * 6, - GFP_KERNEL); - if (!dev_cg->default_groups) - goto out_free_device; + config_group_init_type_name(&dev->dev_group, name, &tb->tb_dev_cit); - config_group_init_type_name(dev_cg, name, &tb->tb_dev_cit); config_group_init_type_name(&dev->dev_attrib.da_group, "attrib", &tb->tb_dev_attrib_cit); + configfs_add_default_group(&dev->dev_attrib.da_group, &dev->dev_group); + config_group_init_type_name(&dev->dev_pr_group, "pr", &tb->tb_dev_pr_cit); + configfs_add_default_group(&dev->dev_pr_group, &dev->dev_group); + config_group_init_type_name(&dev->t10_wwn.t10_wwn_group, "wwn", &tb->tb_dev_wwn_cit); + configfs_add_default_group(&dev->t10_wwn.t10_wwn_group, + &dev->dev_group); + config_group_init_type_name(&dev->t10_alua.alua_tg_pt_gps_group, "alua", &tb->tb_dev_alua_tg_pt_gps_cit); + configfs_add_default_group(&dev->t10_alua.alua_tg_pt_gps_group, + &dev->dev_group); + config_group_init_type_name(&dev->dev_stat_grps.stat_group, "statistics", &tb->tb_dev_stat_cit); + configfs_add_default_group(&dev->dev_stat_grps.stat_group, + &dev->dev_group); - dev_cg->default_groups[0] = &dev->dev_attrib.da_group; - dev_cg->default_groups[1] = &dev->dev_pr_group; - dev_cg->default_groups[2] = &dev->t10_wwn.t10_wwn_group; - dev_cg->default_groups[3] = &dev->t10_alua.alua_tg_pt_gps_group; - dev_cg->default_groups[4] = &dev->dev_stat_grps.stat_group; - dev_cg->default_groups[5] = NULL; /* * Add core/$HBA/$DEV/alua/default_tg_pt_gp */ tg_pt_gp = core_alua_allocate_tg_pt_gp(dev, "default_tg_pt_gp", 1); if (!tg_pt_gp) - goto out_free_dev_cg_default_groups; + goto out_free_device; dev->t10_alua.default_tg_pt_gp = tg_pt_gp; - tg_pt_gp_cg = &dev->t10_alua.alua_tg_pt_gps_group; - tg_pt_gp_cg->default_groups = kmalloc(sizeof(struct config_group *) * 2, - GFP_KERNEL); - if (!tg_pt_gp_cg->default_groups) { - pr_err("Unable to allocate tg_pt_gp_cg->" - "default_groups\n"); - goto out_free_tg_pt_gp; - } - config_group_init_type_name(&tg_pt_gp->tg_pt_gp_group, "default_tg_pt_gp", &target_core_alua_tg_pt_gp_cit); - tg_pt_gp_cg->default_groups[0] = &tg_pt_gp->tg_pt_gp_group; - tg_pt_gp_cg->default_groups[1] = NULL; + configfs_add_default_group(&tg_pt_gp->tg_pt_gp_group, + &dev->t10_alua.alua_tg_pt_gps_group); + /* * Add core/$HBA/$DEV/statistics/ default groups */ - dev_stat_grp = &dev->dev_stat_grps.stat_group; - dev_stat_grp->default_groups = kmalloc(sizeof(struct config_group *) * 4, - GFP_KERNEL); - if (!dev_stat_grp->default_groups) { - pr_err("Unable to allocate dev_stat_grp->default_groups\n"); - goto out_free_tg_pt_gp_cg_default_groups; - } target_stat_setup_dev_default_groups(dev); mutex_unlock(&hba->hba_access_mutex); - return dev_cg; + return &dev->dev_group; -out_free_tg_pt_gp_cg_default_groups: - kfree(tg_pt_gp_cg->default_groups); -out_free_tg_pt_gp: - core_alua_free_tg_pt_gp(tg_pt_gp); -out_free_dev_cg_default_groups: - kfree(dev_cg->default_groups); out_free_device: target_free_device(dev); out_unlock: @@ -2913,40 +2879,22 @@ static void target_core_drop_subdev( struct se_device *dev = container_of(dev_cg, struct se_device, dev_group); struct se_hba *hba; - struct config_item *df_item; - struct config_group *tg_pt_gp_cg, *dev_stat_grp; - int i; hba = item_to_hba(&dev->se_hba->hba_group.cg_item); mutex_lock(&hba->hba_access_mutex); - dev_stat_grp = &dev->dev_stat_grps.stat_group; - for (i = 0; dev_stat_grp->default_groups[i]; i++) { - df_item = &dev_stat_grp->default_groups[i]->cg_item; - dev_stat_grp->default_groups[i] = NULL; - config_item_put(df_item); - } - kfree(dev_stat_grp->default_groups); + configfs_remove_default_groups(&dev->dev_stat_grps.stat_group); + configfs_remove_default_groups(&dev->t10_alua.alua_tg_pt_gps_group); - tg_pt_gp_cg = &dev->t10_alua.alua_tg_pt_gps_group; - for (i = 0; tg_pt_gp_cg->default_groups[i]; i++) { - df_item = &tg_pt_gp_cg->default_groups[i]->cg_item; - tg_pt_gp_cg->default_groups[i] = NULL; - config_item_put(df_item); - } - kfree(tg_pt_gp_cg->default_groups); /* * core_alua_free_tg_pt_gp() is called from ->default_tg_pt_gp * directly from target_core_alua_tg_pt_gp_release(). */ dev->t10_alua.default_tg_pt_gp = NULL; - for (i = 0; dev_cg->default_groups[i]; i++) { - df_item = &dev_cg->default_groups[i]->cg_item; - dev_cg->default_groups[i] = NULL; - config_item_put(df_item); - } + configfs_remove_default_groups(dev_cg); + /* * se_dev is released from target_core_dev_item_ops->release() */ @@ -3141,8 +3089,6 @@ void target_setup_backend_cits(struct target_backend *tb) static int __init target_core_init_configfs(void) { - struct config_group *target_cg, *hba_cg = NULL, *alua_cg = NULL; - struct config_group *lu_gp_cg = NULL; struct configfs_subsystem *subsys = &target_core_fabrics; struct t10_alua_lu_gp *lu_gp; int ret; @@ -3161,51 +3107,24 @@ static int __init target_core_init_configfs(void) * Create $CONFIGFS/target/core default group for HBA <-> Storage Object * and ALUA Logical Unit Group and Target Port Group infrastructure. */ - target_cg = &subsys->su_group; - target_cg->default_groups = kmalloc(sizeof(struct config_group *) * 2, - GFP_KERNEL); - if (!target_cg->default_groups) { - pr_err("Unable to allocate target_cg->default_groups\n"); - ret = -ENOMEM; - goto out_global; - } + config_group_init_type_name(&target_core_hbagroup, "core", + &target_core_cit); + configfs_add_default_group(&target_core_hbagroup, &subsys->su_group); - config_group_init_type_name(&target_core_hbagroup, - "core", &target_core_cit); - target_cg->default_groups[0] = &target_core_hbagroup; - target_cg->default_groups[1] = NULL; /* * Create ALUA infrastructure under /sys/kernel/config/target/core/alua/ */ - hba_cg = &target_core_hbagroup; - hba_cg->default_groups = kmalloc(sizeof(struct config_group *) * 2, - GFP_KERNEL); - if (!hba_cg->default_groups) { - pr_err("Unable to allocate hba_cg->default_groups\n"); - ret = -ENOMEM; - goto out_global; - } - config_group_init_type_name(&alua_group, - "alua", &target_core_alua_cit); - hba_cg->default_groups[0] = &alua_group; - hba_cg->default_groups[1] = NULL; + config_group_init_type_name(&alua_group, "alua", &target_core_alua_cit); + configfs_add_default_group(&alua_group, &target_core_hbagroup); + /* * Add ALUA Logical Unit Group and Target Port Group ConfigFS * groups under /sys/kernel/config/target/core/alua/ */ - alua_cg = &alua_group; - alua_cg->default_groups = kmalloc(sizeof(struct config_group *) * 2, - GFP_KERNEL); - if (!alua_cg->default_groups) { - pr_err("Unable to allocate alua_cg->default_groups\n"); - ret = -ENOMEM; - goto out_global; - } + config_group_init_type_name(&alua_lu_gps_group, "lu_gps", + &target_core_alua_lu_gps_cit); + configfs_add_default_group(&alua_lu_gps_group, &alua_group); - config_group_init_type_name(&alua_lu_gps_group, - "lu_gps", &target_core_alua_lu_gps_cit); - alua_cg->default_groups[0] = &alua_lu_gps_group; - alua_cg->default_groups[1] = NULL; /* * Add core/alua/lu_gps/default_lu_gp */ @@ -3215,20 +3134,12 @@ static int __init target_core_init_configfs(void) goto out_global; } - lu_gp_cg = &alua_lu_gps_group; - lu_gp_cg->default_groups = kmalloc(sizeof(struct config_group *) * 2, - GFP_KERNEL); - if (!lu_gp_cg->default_groups) { - pr_err("Unable to allocate lu_gp_cg->default_groups\n"); - ret = -ENOMEM; - goto out_global; - } - config_group_init_type_name(&lu_gp->lu_gp_group, "default_lu_gp", &target_core_alua_lu_gp_cit); - lu_gp_cg->default_groups[0] = &lu_gp->lu_gp_group; - lu_gp_cg->default_groups[1] = NULL; + configfs_add_default_group(&lu_gp->lu_gp_group, &alua_lu_gps_group); + default_lu_gp = lu_gp; + /* * Register the target_core_mod subsystem with configfs. */ @@ -3267,55 +3178,21 @@ out_global: core_alua_free_lu_gp(default_lu_gp); default_lu_gp = NULL; } - if (lu_gp_cg) - kfree(lu_gp_cg->default_groups); - if (alua_cg) - kfree(alua_cg->default_groups); - if (hba_cg) - kfree(hba_cg->default_groups); - kfree(target_cg->default_groups); release_se_kmem_caches(); return ret; } static void __exit target_core_exit_configfs(void) { - struct config_group *hba_cg, *alua_cg, *lu_gp_cg; - struct config_item *item; - int i; + configfs_remove_default_groups(&alua_lu_gps_group); + configfs_remove_default_groups(&alua_group); + configfs_remove_default_groups(&target_core_hbagroup); - lu_gp_cg = &alua_lu_gps_group; - for (i = 0; lu_gp_cg->default_groups[i]; i++) { - item = &lu_gp_cg->default_groups[i]->cg_item; - lu_gp_cg->default_groups[i] = NULL; - config_item_put(item); - } - kfree(lu_gp_cg->default_groups); - lu_gp_cg->default_groups = NULL; - - alua_cg = &alua_group; - for (i = 0; alua_cg->default_groups[i]; i++) { - item = &alua_cg->default_groups[i]->cg_item; - alua_cg->default_groups[i] = NULL; - config_item_put(item); - } - kfree(alua_cg->default_groups); - alua_cg->default_groups = NULL; - - hba_cg = &target_core_hbagroup; - for (i = 0; hba_cg->default_groups[i]; i++) { - item = &hba_cg->default_groups[i]->cg_item; - hba_cg->default_groups[i] = NULL; - config_item_put(item); - } - kfree(hba_cg->default_groups); - hba_cg->default_groups = NULL; /* * We expect subsys->su_group.default_groups to be released * by configfs subsystem provider logic.. */ configfs_unregister_subsystem(&target_core_fabrics); - kfree(target_core_fabrics.su_group.default_groups); core_alua_free_lu_gp(default_lu_gp); default_lu_gp = NULL; diff --git a/drivers/target/target_core_fabric_configfs.c b/drivers/target/target_core_fabric_configfs.c index f916d18ccb48..8caef31da415 100644 --- a/drivers/target/target_core_fabric_configfs.c +++ b/drivers/target/target_core_fabric_configfs.c @@ -273,18 +273,10 @@ static struct config_group *target_fabric_make_mappedlun( struct se_portal_group *se_tpg = se_nacl->se_tpg; struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf; struct se_lun_acl *lacl = NULL; - struct config_item *acl_ci; - struct config_group *lacl_cg = NULL, *ml_stat_grp = NULL; char *buf; unsigned long long mapped_lun; int ret = 0; - acl_ci = &group->cg_item; - if (!acl_ci) { - pr_err("Unable to locatel acl_ci\n"); - return NULL; - } - buf = kzalloc(strlen(name) + 1, GFP_KERNEL); if (!buf) { pr_err("Unable to allocate memory for name buf\n"); @@ -315,37 +307,19 @@ static struct config_group *target_fabric_make_mappedlun( goto out; } - lacl_cg = &lacl->se_lun_group; - lacl_cg->default_groups = kmalloc(sizeof(struct config_group *) * 2, - GFP_KERNEL); - if (!lacl_cg->default_groups) { - pr_err("Unable to allocate lacl_cg->default_groups\n"); - ret = -ENOMEM; - goto out; - } - config_group_init_type_name(&lacl->se_lun_group, name, &tf->tf_tpg_mappedlun_cit); + config_group_init_type_name(&lacl->ml_stat_grps.stat_group, "statistics", &tf->tf_tpg_mappedlun_stat_cit); - lacl_cg->default_groups[0] = &lacl->ml_stat_grps.stat_group; - lacl_cg->default_groups[1] = NULL; - - ml_stat_grp = &lacl->ml_stat_grps.stat_group; - ml_stat_grp->default_groups = kmalloc(sizeof(struct config_group *) * 3, - GFP_KERNEL); - if (!ml_stat_grp->default_groups) { - pr_err("Unable to allocate ml_stat_grp->default_groups\n"); - ret = -ENOMEM; - goto out; - } + configfs_add_default_group(&lacl->ml_stat_grps.stat_group, + &lacl->se_lun_group); + target_stat_setup_mappedlun_default_groups(lacl); kfree(buf); return &lacl->se_lun_group; out: - if (lacl_cg) - kfree(lacl_cg->default_groups); kfree(lacl); kfree(buf); return ERR_PTR(ret); @@ -357,25 +331,9 @@ static void target_fabric_drop_mappedlun( { struct se_lun_acl *lacl = container_of(to_config_group(item), struct se_lun_acl, se_lun_group); - struct config_item *df_item; - struct config_group *lacl_cg = NULL, *ml_stat_grp = NULL; - int i; - - ml_stat_grp = &lacl->ml_stat_grps.stat_group; - for (i = 0; ml_stat_grp->default_groups[i]; i++) { - df_item = &ml_stat_grp->default_groups[i]->cg_item; - ml_stat_grp->default_groups[i] = NULL; - config_item_put(df_item); - } - kfree(ml_stat_grp->default_groups); - lacl_cg = &lacl->se_lun_group; - for (i = 0; lacl_cg->default_groups[i]; i++) { - df_item = &lacl_cg->default_groups[i]->cg_item; - lacl_cg->default_groups[i] = NULL; - config_item_put(df_item); - } - kfree(lacl_cg->default_groups); + configfs_remove_default_groups(&lacl->ml_stat_grps.stat_group); + configfs_remove_default_groups(&lacl->se_lun_group); config_item_put(item); } @@ -424,7 +382,6 @@ static struct config_group *target_fabric_make_nodeacl( struct se_portal_group, tpg_acl_group); struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf; struct se_node_acl *se_nacl; - struct config_group *nacl_cg; se_nacl = core_tpg_add_initiator_node_acl(se_tpg, name); if (IS_ERR(se_nacl)) @@ -438,24 +395,28 @@ static struct config_group *target_fabric_make_nodeacl( } } - nacl_cg = &se_nacl->acl_group; - nacl_cg->default_groups = se_nacl->acl_default_groups; - nacl_cg->default_groups[0] = &se_nacl->acl_attrib_group; - nacl_cg->default_groups[1] = &se_nacl->acl_auth_group; - nacl_cg->default_groups[2] = &se_nacl->acl_param_group; - nacl_cg->default_groups[3] = &se_nacl->acl_fabric_stat_group; - nacl_cg->default_groups[4] = NULL; - config_group_init_type_name(&se_nacl->acl_group, name, &tf->tf_tpg_nacl_base_cit); + config_group_init_type_name(&se_nacl->acl_attrib_group, "attrib", &tf->tf_tpg_nacl_attrib_cit); + configfs_add_default_group(&se_nacl->acl_attrib_group, + &se_nacl->acl_group); + config_group_init_type_name(&se_nacl->acl_auth_group, "auth", &tf->tf_tpg_nacl_auth_cit); + configfs_add_default_group(&se_nacl->acl_auth_group, + &se_nacl->acl_group); + config_group_init_type_name(&se_nacl->acl_param_group, "param", &tf->tf_tpg_nacl_param_cit); + configfs_add_default_group(&se_nacl->acl_param_group, + &se_nacl->acl_group); + config_group_init_type_name(&se_nacl->acl_fabric_stat_group, "fabric_statistics", &tf->tf_tpg_nacl_stat_cit); + configfs_add_default_group(&se_nacl->acl_fabric_stat_group, + &se_nacl->acl_group); return &se_nacl->acl_group; } @@ -466,16 +427,9 @@ static void target_fabric_drop_nodeacl( { struct se_node_acl *se_nacl = container_of(to_config_group(item), struct se_node_acl, acl_group); - struct config_item *df_item; - struct config_group *nacl_cg; - int i; - - nacl_cg = &se_nacl->acl_group; - for (i = 0; nacl_cg->default_groups[i]; i++) { - df_item = &nacl_cg->default_groups[i]->cg_item; - nacl_cg->default_groups[i] = NULL; - config_item_put(df_item); - } + + configfs_remove_default_groups(&se_nacl->acl_group); + /* * struct se_node_acl free is done in target_fabric_nacl_base_release() */ @@ -795,7 +749,6 @@ static struct config_group *target_fabric_make_lun( struct se_portal_group *se_tpg = container_of(group, struct se_portal_group, tpg_lun_group); struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf; - struct config_group *lun_cg = NULL, *port_stat_grp = NULL; unsigned long long unpacked_lun; int errno; @@ -812,31 +765,14 @@ static struct config_group *target_fabric_make_lun( if (IS_ERR(lun)) return ERR_CAST(lun); - lun_cg = &lun->lun_group; - lun_cg->default_groups = kmalloc(sizeof(struct config_group *) * 2, - GFP_KERNEL); - if (!lun_cg->default_groups) { - pr_err("Unable to allocate lun_cg->default_groups\n"); - kfree(lun); - return ERR_PTR(-ENOMEM); - } - config_group_init_type_name(&lun->lun_group, name, &tf->tf_tpg_port_cit); + config_group_init_type_name(&lun->port_stat_grps.stat_group, "statistics", &tf->tf_tpg_port_stat_cit); - lun_cg->default_groups[0] = &lun->port_stat_grps.stat_group; - lun_cg->default_groups[1] = NULL; - - port_stat_grp = &lun->port_stat_grps.stat_group; - port_stat_grp->default_groups = kzalloc(sizeof(struct config_group *) * 4, - GFP_KERNEL); - if (!port_stat_grp->default_groups) { - pr_err("Unable to allocate port_stat_grp->default_groups\n"); - kfree(lun_cg->default_groups); - kfree(lun); - return ERR_PTR(-ENOMEM); - } + configfs_add_default_group(&lun->port_stat_grps.stat_group, + &lun->lun_group); + target_stat_setup_port_default_groups(lun); return &lun->lun_group; @@ -848,25 +784,9 @@ static void target_fabric_drop_lun( { struct se_lun *lun = container_of(to_config_group(item), struct se_lun, lun_group); - struct config_item *df_item; - struct config_group *lun_cg, *port_stat_grp; - int i; - - port_stat_grp = &lun->port_stat_grps.stat_group; - for (i = 0; port_stat_grp->default_groups[i]; i++) { - df_item = &port_stat_grp->default_groups[i]->cg_item; - port_stat_grp->default_groups[i] = NULL; - config_item_put(df_item); - } - kfree(port_stat_grp->default_groups); - lun_cg = &lun->lun_group; - for (i = 0; lun_cg->default_groups[i]; i++) { - df_item = &lun_cg->default_groups[i]->cg_item; - lun_cg->default_groups[i] = NULL; - config_item_put(df_item); - } - kfree(lun_cg->default_groups); + configfs_remove_default_groups(&lun->port_stat_grps.stat_group); + configfs_remove_default_groups(&lun->lun_group); config_item_put(item); } @@ -922,32 +842,39 @@ static struct config_group *target_fabric_make_tpg( se_tpg = tf->tf_ops->fabric_make_tpg(wwn, group, name); if (!se_tpg || IS_ERR(se_tpg)) return ERR_PTR(-EINVAL); - /* - * Setup default groups from pre-allocated se_tpg->tpg_default_groups - */ - se_tpg->tpg_group.default_groups = se_tpg->tpg_default_groups; - se_tpg->tpg_group.default_groups[0] = &se_tpg->tpg_lun_group; - se_tpg->tpg_group.default_groups[1] = &se_tpg->tpg_np_group; - se_tpg->tpg_group.default_groups[2] = &se_tpg->tpg_acl_group; - se_tpg->tpg_group.default_groups[3] = &se_tpg->tpg_attrib_group; - se_tpg->tpg_group.default_groups[4] = &se_tpg->tpg_auth_group; - se_tpg->tpg_group.default_groups[5] = &se_tpg->tpg_param_group; - se_tpg->tpg_group.default_groups[6] = NULL; config_group_init_type_name(&se_tpg->tpg_group, name, &tf->tf_tpg_base_cit); + config_group_init_type_name(&se_tpg->tpg_lun_group, "lun", &tf->tf_tpg_lun_cit); + configfs_add_default_group(&se_tpg->tpg_lun_group, + &se_tpg->tpg_group); + config_group_init_type_name(&se_tpg->tpg_np_group, "np", &tf->tf_tpg_np_cit); + configfs_add_default_group(&se_tpg->tpg_np_group, + &se_tpg->tpg_group); + config_group_init_type_name(&se_tpg->tpg_acl_group, "acls", &tf->tf_tpg_nacl_cit); + configfs_add_default_group(&se_tpg->tpg_acl_group, + &se_tpg->tpg_group); + config_group_init_type_name(&se_tpg->tpg_attrib_group, "attrib", &tf->tf_tpg_attrib_cit); + configfs_add_default_group(&se_tpg->tpg_attrib_group, + &se_tpg->tpg_group); + config_group_init_type_name(&se_tpg->tpg_auth_group, "auth", &tf->tf_tpg_auth_cit); + configfs_add_default_group(&se_tpg->tpg_auth_group, + &se_tpg->tpg_group); + config_group_init_type_name(&se_tpg->tpg_param_group, "param", &tf->tf_tpg_param_cit); + configfs_add_default_group(&se_tpg->tpg_param_group, + &se_tpg->tpg_group); return &se_tpg->tpg_group; } @@ -958,19 +885,8 @@ static void target_fabric_drop_tpg( { struct se_portal_group *se_tpg = container_of(to_config_group(item), struct se_portal_group, tpg_group); - struct config_group *tpg_cg = &se_tpg->tpg_group; - struct config_item *df_item; - int i; - /* - * Release default groups, but do not release tpg_cg->default_groups - * memory as it is statically allocated at se_tpg->tpg_default_groups. - */ - for (i = 0; tpg_cg->default_groups[i]; i++) { - df_item = &tpg_cg->default_groups[i]->cg_item; - tpg_cg->default_groups[i] = NULL; - config_item_put(df_item); - } + configfs_remove_default_groups(&se_tpg->tpg_group); config_item_put(item); } @@ -1026,16 +942,12 @@ static struct config_group *target_fabric_make_wwn( return ERR_PTR(-EINVAL); wwn->wwn_tf = tf; - /* - * Setup default groups from pre-allocated wwn->wwn_default_groups - */ - wwn->wwn_group.default_groups = wwn->wwn_default_groups; - wwn->wwn_group.default_groups[0] = &wwn->fabric_stat_group; - wwn->wwn_group.default_groups[1] = NULL; config_group_init_type_name(&wwn->wwn_group, name, &tf->tf_tpg_cit); + config_group_init_type_name(&wwn->fabric_stat_group, "fabric_statistics", &tf->tf_wwn_fabric_stats_cit); + configfs_add_default_group(&wwn->fabric_stat_group, &wwn->wwn_group); return &wwn->wwn_group; } @@ -1046,16 +958,8 @@ static void target_fabric_drop_wwn( { struct se_wwn *wwn = container_of(to_config_group(item), struct se_wwn, wwn_group); - struct config_item *df_item; - struct config_group *cg = &wwn->wwn_group; - int i; - - for (i = 0; cg->default_groups[i]; i++) { - df_item = &cg->default_groups[i]->cg_item; - cg->default_groups[i] = NULL; - config_item_put(df_item); - } + configfs_remove_default_groups(&wwn->wwn_group); config_item_put(item); } diff --git a/drivers/target/target_core_internal.h b/drivers/target/target_core_internal.h index db4412fe6b8a..4a7cf499cdfa 100644 --- a/drivers/target/target_core_internal.h +++ b/drivers/target/target_core_internal.h @@ -22,7 +22,6 @@ struct target_fabric_configfs { struct list_head tf_list; struct config_group tf_group; struct config_group tf_disc_group; - struct config_group *tf_default_groups[2]; const struct target_core_fabric_ops *tf_ops; struct config_item_type tf_discovery_cit; diff --git a/drivers/target/target_core_stat.c b/drivers/target/target_core_stat.c index 81a6b3e07687..1a39033d2bff 100644 --- a/drivers/target/target_core_stat.c +++ b/drivers/target/target_core_stat.c @@ -407,19 +407,20 @@ static struct config_item_type target_stat_scsi_lu_cit = { */ void target_stat_setup_dev_default_groups(struct se_device *dev) { - struct config_group *dev_stat_grp = &dev->dev_stat_grps.stat_group; - config_group_init_type_name(&dev->dev_stat_grps.scsi_dev_group, "scsi_dev", &target_stat_scsi_dev_cit); + configfs_add_default_group(&dev->dev_stat_grps.scsi_dev_group, + &dev->dev_stat_grps.stat_group); + config_group_init_type_name(&dev->dev_stat_grps.scsi_tgt_dev_group, "scsi_tgt_dev", &target_stat_scsi_tgt_dev_cit); + configfs_add_default_group(&dev->dev_stat_grps.scsi_tgt_dev_group, + &dev->dev_stat_grps.stat_group); + config_group_init_type_name(&dev->dev_stat_grps.scsi_lu_group, "scsi_lu", &target_stat_scsi_lu_cit); - - dev_stat_grp->default_groups[0] = &dev->dev_stat_grps.scsi_dev_group; - dev_stat_grp->default_groups[1] = &dev->dev_stat_grps.scsi_tgt_dev_group; - dev_stat_grp->default_groups[2] = &dev->dev_stat_grps.scsi_lu_group; - dev_stat_grp->default_groups[3] = NULL; + configfs_add_default_group(&dev->dev_stat_grps.scsi_lu_group, + &dev->dev_stat_grps.stat_group); } /* @@ -818,19 +819,20 @@ static struct config_item_type target_stat_scsi_transport_cit = { */ void target_stat_setup_port_default_groups(struct se_lun *lun) { - struct config_group *port_stat_grp = &lun->port_stat_grps.stat_group; - config_group_init_type_name(&lun->port_stat_grps.scsi_port_group, "scsi_port", &target_stat_scsi_port_cit); + configfs_add_default_group(&lun->port_stat_grps.scsi_port_group, + &lun->port_stat_grps.stat_group); + config_group_init_type_name(&lun->port_stat_grps.scsi_tgt_port_group, "scsi_tgt_port", &target_stat_scsi_tgt_port_cit); + configfs_add_default_group(&lun->port_stat_grps.scsi_tgt_port_group, + &lun->port_stat_grps.stat_group); + config_group_init_type_name(&lun->port_stat_grps.scsi_transport_group, "scsi_transport", &target_stat_scsi_transport_cit); - - port_stat_grp->default_groups[0] = &lun->port_stat_grps.scsi_port_group; - port_stat_grp->default_groups[1] = &lun->port_stat_grps.scsi_tgt_port_group; - port_stat_grp->default_groups[2] = &lun->port_stat_grps.scsi_transport_group; - port_stat_grp->default_groups[3] = NULL; + configfs_add_default_group(&lun->port_stat_grps.scsi_transport_group, + &lun->port_stat_grps.stat_group); } /* @@ -1351,14 +1353,13 @@ static struct config_item_type target_stat_scsi_att_intr_port_cit = { */ void target_stat_setup_mappedlun_default_groups(struct se_lun_acl *lacl) { - struct config_group *ml_stat_grp = &lacl->ml_stat_grps.stat_group; - config_group_init_type_name(&lacl->ml_stat_grps.scsi_auth_intr_group, "scsi_auth_intr", &target_stat_scsi_auth_intr_cit); + configfs_add_default_group(&lacl->ml_stat_grps.scsi_auth_intr_group, + &lacl->ml_stat_grps.stat_group); + config_group_init_type_name(&lacl->ml_stat_grps.scsi_att_intr_port_group, "scsi_att_intr_port", &target_stat_scsi_att_intr_port_cit); - - ml_stat_grp->default_groups[0] = &lacl->ml_stat_grps.scsi_auth_intr_group; - ml_stat_grp->default_groups[1] = &lacl->ml_stat_grps.scsi_att_intr_port_group; - ml_stat_grp->default_groups[2] = NULL; + configfs_add_default_group(&lacl->ml_stat_grps.scsi_att_intr_port_group, + &lacl->ml_stat_grps.stat_group); } diff --git a/drivers/usb/gadget/configfs.c b/drivers/usb/gadget/configfs.c index 590c44989e5e..2f8081f0f795 100644 --- a/drivers/usb/gadget/configfs.c +++ b/drivers/usb/gadget/configfs.c @@ -49,7 +49,6 @@ struct gadget_info { struct config_group configs_group; struct config_group strings_group; struct config_group os_desc_group; - struct config_group *default_groups[5]; struct mutex lock; struct usb_gadget_strings *gstrings[MAX_USB_STRING_LANGS + 1]; @@ -71,7 +70,6 @@ static inline struct gadget_info *to_gadget_info(struct config_item *item) struct config_usb_cfg { struct config_group group; struct config_group strings_group; - struct config_group *default_groups[2]; struct list_head string_list; struct usb_configuration c; struct list_head func_list; @@ -666,13 +664,12 @@ static struct config_group *config_desc_make( INIT_LIST_HEAD(&cfg->string_list); INIT_LIST_HEAD(&cfg->func_list); - cfg->group.default_groups = cfg->default_groups; - cfg->default_groups[0] = &cfg->strings_group; - config_group_init_type_name(&cfg->group, name, &gadget_config_type); + config_group_init_type_name(&cfg->strings_group, "strings", &gadget_config_name_strings_type); + configfs_add_default_group(&cfg->strings_group, &cfg->group); ret = usb_add_config_only(&gi->cdev, &cfg->c); if (ret) @@ -1149,15 +1146,11 @@ int usb_os_desc_prepare_interf_dir(struct config_group *parent, char **names, struct module *owner) { - struct config_group **f_default_groups, *os_desc_group, - **interface_groups; + struct config_group *os_desc_group; struct config_item_type *os_desc_type, *interface_type; vla_group(data_chunk); - vla_item(data_chunk, struct config_group *, f_default_groups, 2); vla_item(data_chunk, struct config_group, os_desc_group, 1); - vla_item(data_chunk, struct config_group *, interface_groups, - n_interf + 1); vla_item(data_chunk, struct config_item_type, os_desc_type, 1); vla_item(data_chunk, struct config_item_type, interface_type, 1); @@ -1165,18 +1158,14 @@ int usb_os_desc_prepare_interf_dir(struct config_group *parent, if (!vlabuf) return -ENOMEM; - f_default_groups = vla_ptr(vlabuf, data_chunk, f_default_groups); os_desc_group = vla_ptr(vlabuf, data_chunk, os_desc_group); os_desc_type = vla_ptr(vlabuf, data_chunk, os_desc_type); - interface_groups = vla_ptr(vlabuf, data_chunk, interface_groups); interface_type = vla_ptr(vlabuf, data_chunk, interface_type); - parent->default_groups = f_default_groups; os_desc_type->ct_owner = owner; config_group_init_type_name(os_desc_group, "os_desc", os_desc_type); - f_default_groups[0] = os_desc_group; + configfs_add_default_group(os_desc_group, parent); - os_desc_group->default_groups = interface_groups; interface_type->ct_group_ops = &interf_grp_ops; interface_type->ct_attrs = interf_grp_attrs; interface_type->ct_owner = owner; @@ -1189,7 +1178,7 @@ int usb_os_desc_prepare_interf_dir(struct config_group *parent, config_group_init_type_name(&d->group, "", interface_type); config_item_set_name(&d->group.cg_item, "interface.%s", names[n_interf]); - interface_groups[n_interf] = &d->group; + configfs_add_default_group(&d->group, os_desc_group); } return 0; @@ -1423,20 +1412,23 @@ static struct config_group *gadgets_make( if (!gi) return ERR_PTR(-ENOMEM); - gi->group.default_groups = gi->default_groups; - gi->group.default_groups[0] = &gi->functions_group; - gi->group.default_groups[1] = &gi->configs_group; - gi->group.default_groups[2] = &gi->strings_group; - gi->group.default_groups[3] = &gi->os_desc_group; + config_group_init_type_name(&gi->group, name, &gadget_root_type); config_group_init_type_name(&gi->functions_group, "functions", &functions_type); + configfs_add_default_group(&gi->functions_group, &gi->group); + config_group_init_type_name(&gi->configs_group, "configs", &config_desc_type); + configfs_add_default_group(&gi->configs_group, &gi->group); + config_group_init_type_name(&gi->strings_group, "strings", &gadget_strings_strings_type); + configfs_add_default_group(&gi->strings_group, &gi->group); + config_group_init_type_name(&gi->os_desc_group, "os_desc", &os_desc_type); + configfs_add_default_group(&gi->os_desc_group, &gi->group); gi->composite.bind = configfs_do_nothing; gi->composite.unbind = configfs_do_nothing; @@ -1461,8 +1453,6 @@ static struct config_group *gadgets_make( if (!gi->composite.gadget_driver.function) goto err; - config_group_init_type_name(&gi->group, name, - &gadget_root_type); return &gi->group; err: kfree(gi); diff --git a/drivers/usb/gadget/function/f_mass_storage.c b/drivers/usb/gadget/function/f_mass_storage.c index 223ccf89d226..142bb7763f2a 100644 --- a/drivers/usb/gadget/function/f_mass_storage.c +++ b/drivers/usb/gadget/function/f_mass_storage.c @@ -3484,12 +3484,12 @@ static struct usb_function_instance *fsg_alloc_inst(void) opts->lun0.lun = opts->common->luns[0]; opts->lun0.lun_id = 0; - config_group_init_type_name(&opts->lun0.group, "lun.0", &fsg_lun_type); - opts->default_groups[0] = &opts->lun0.group; - opts->func_inst.group.default_groups = opts->default_groups; config_group_init_type_name(&opts->func_inst.group, "", &fsg_func_type); + config_group_init_type_name(&opts->lun0.group, "lun.0", &fsg_lun_type); + configfs_add_default_group(&opts->lun0.group, &opts->func_inst.group); + return &opts->func_inst; release_buffers: diff --git a/drivers/usb/gadget/function/f_rndis.c b/drivers/usb/gadget/function/f_rndis.c index e587767e374c..f577eec88f8c 100644 --- a/drivers/usb/gadget/function/f_rndis.c +++ b/drivers/usb/gadget/function/f_rndis.c @@ -889,7 +889,6 @@ static void rndis_free_inst(struct usb_function_instance *f) free_netdev(opts->net); } - kfree(opts->rndis_os_desc.group.default_groups); /* single VLA chunk */ kfree(opts); } @@ -916,10 +915,10 @@ static struct usb_function_instance *rndis_alloc_inst(void) descs[0] = &opts->rndis_os_desc; names[0] = "rndis"; - usb_os_desc_prepare_interf_dir(&opts->func_inst.group, 1, descs, - names, THIS_MODULE); config_group_init_type_name(&opts->func_inst.group, "", &rndis_func_type); + usb_os_desc_prepare_interf_dir(&opts->func_inst.group, 1, descs, + names, THIS_MODULE); return &opts->func_inst; } diff --git a/drivers/usb/gadget/function/uvc_configfs.c b/drivers/usb/gadget/function/uvc_configfs.c index ad8c9b05572d..66753ba7a42e 100644 --- a/drivers/usb/gadget/function/uvc_configfs.c +++ b/drivers/usb/gadget/function/uvc_configfs.c @@ -272,11 +272,6 @@ static struct config_item_type uvcg_default_processing_type = { /* struct uvcg_processing {}; */ -static struct config_group *uvcg_processing_default_groups[] = { - &uvcg_default_processing.group, - NULL, -}; - /* control/processing */ static struct uvcg_processing_grp { struct config_group group; @@ -394,11 +389,6 @@ static struct config_item_type uvcg_default_camera_type = { /* struct uvcg_camera {}; */ -static struct config_group *uvcg_camera_default_groups[] = { - &uvcg_default_camera.group, - NULL, -}; - /* control/terminal/camera */ static struct uvcg_camera_grp { struct config_group group; @@ -477,11 +467,6 @@ static struct config_item_type uvcg_default_output_type = { /* struct uvcg_output {}; */ -static struct config_group *uvcg_output_default_groups[] = { - &uvcg_default_output.group, - NULL, -}; - /* control/terminal/output */ static struct uvcg_output_grp { struct config_group group; @@ -491,12 +476,6 @@ static struct config_item_type uvcg_output_grp_type = { .ct_owner = THIS_MODULE, }; -static struct config_group *uvcg_terminal_default_groups[] = { - &uvcg_camera_grp.group, - &uvcg_output_grp.group, - NULL, -}; - /* control/terminal */ static struct uvcg_terminal_grp { struct config_group group; @@ -619,12 +598,6 @@ static struct config_item_type uvcg_control_class_type = { .ct_owner = THIS_MODULE, }; -static struct config_group *uvcg_control_class_default_groups[] = { - &uvcg_control_class_fs.group, - &uvcg_control_class_ss.group, - NULL, -}; - /* control/class */ static struct uvcg_control_class_grp { struct config_group group; @@ -634,14 +607,6 @@ static struct config_item_type uvcg_control_class_grp_type = { .ct_owner = THIS_MODULE, }; -static struct config_group *uvcg_control_default_groups[] = { - &uvcg_control_header_grp.group, - &uvcg_processing_grp.group, - &uvcg_terminal_grp.group, - &uvcg_control_class_grp.group, - NULL, -}; - /* control */ static struct uvcg_control_grp { struct config_group group; @@ -1780,11 +1745,6 @@ static struct config_item_type uvcg_default_color_matching_type = { /* struct uvcg_color_matching {}; */ -static struct config_group *uvcg_color_matching_default_groups[] = { - &uvcg_default_color_matching.group, - NULL, -}; - /* streaming/color_matching */ static struct uvcg_color_matching_grp { struct config_group group; @@ -2145,13 +2105,6 @@ static struct config_item_type uvcg_streaming_class_type = { .ct_owner = THIS_MODULE, }; -static struct config_group *uvcg_streaming_class_default_groups[] = { - &uvcg_streaming_class_fs.group, - &uvcg_streaming_class_hs.group, - &uvcg_streaming_class_ss.group, - NULL, -}; - /* streaming/class */ static struct uvcg_streaming_class_grp { struct config_group group; @@ -2161,15 +2114,6 @@ static struct config_item_type uvcg_streaming_class_grp_type = { .ct_owner = THIS_MODULE, }; -static struct config_group *uvcg_streaming_default_groups[] = { - &uvcg_streaming_header_grp.group, - &uvcg_uncompressed_grp.group, - &uvcg_mjpeg_grp.group, - &uvcg_color_matching_grp.group, - &uvcg_streaming_class_grp.group, - NULL, -}; - /* streaming */ static struct uvcg_streaming_grp { struct config_group group; @@ -2179,12 +2123,6 @@ static struct config_item_type uvcg_streaming_grp_type = { .ct_owner = THIS_MODULE, }; -static struct config_group *uvcg_default_groups[] = { - &uvcg_control_grp.group, - &uvcg_streaming_grp.group, - NULL, -}; - static inline struct f_uvc_opts *to_f_uvc_opts(struct config_item *item) { return container_of(to_config_group(item), struct f_uvc_opts, @@ -2273,59 +2211,64 @@ static struct config_item_type uvc_func_type = { .ct_owner = THIS_MODULE, }; -static inline void uvcg_init_group(struct config_group *g, - struct config_group **default_groups, - const char *name, - struct config_item_type *type) -{ - g->default_groups = default_groups; - config_group_init_type_name(g, name, type); -} - int uvcg_attach_configfs(struct f_uvc_opts *opts) { config_group_init_type_name(&uvcg_control_header_grp.group, "header", &uvcg_control_header_grp_type); + config_group_init_type_name(&uvcg_default_processing.group, - "default", - &uvcg_default_processing_type); - uvcg_init_group(&uvcg_processing_grp.group, - uvcg_processing_default_groups, - "processing", - &uvcg_processing_grp_type); + "default", &uvcg_default_processing_type); + config_group_init_type_name(&uvcg_processing_grp.group, + "processing", &uvcg_processing_grp_type); + configfs_add_default_group(&uvcg_default_processing.group, + &uvcg_processing_grp.group); + config_group_init_type_name(&uvcg_default_camera.group, - "default", - &uvcg_default_camera_type); - uvcg_init_group(&uvcg_camera_grp.group, - uvcg_camera_default_groups, - "camera", - &uvcg_camera_grp_type); + "default", &uvcg_default_camera_type); + config_group_init_type_name(&uvcg_camera_grp.group, + "camera", &uvcg_camera_grp_type); + configfs_add_default_group(&uvcg_default_camera.group, + &uvcg_camera_grp.group); + config_group_init_type_name(&uvcg_default_output.group, - "default", - &uvcg_default_output_type); - uvcg_init_group(&uvcg_output_grp.group, - uvcg_output_default_groups, - "output", - &uvcg_output_grp_type); - uvcg_init_group(&uvcg_terminal_grp.group, - uvcg_terminal_default_groups, - "terminal", - &uvcg_terminal_grp_type); + "default", &uvcg_default_output_type); + config_group_init_type_name(&uvcg_output_grp.group, + "output", &uvcg_output_grp_type); + configfs_add_default_group(&uvcg_default_output.group, + &uvcg_output_grp.group); + + config_group_init_type_name(&uvcg_terminal_grp.group, + "terminal", &uvcg_terminal_grp_type); + configfs_add_default_group(&uvcg_camera_grp.group, + &uvcg_terminal_grp.group); + configfs_add_default_group(&uvcg_output_grp.group, + &uvcg_terminal_grp.group); + config_group_init_type_name(&uvcg_control_class_fs.group, - "fs", - &uvcg_control_class_type); + "fs", &uvcg_control_class_type); config_group_init_type_name(&uvcg_control_class_ss.group, - "ss", - &uvcg_control_class_type); - uvcg_init_group(&uvcg_control_class_grp.group, - uvcg_control_class_default_groups, + "ss", &uvcg_control_class_type); + config_group_init_type_name(&uvcg_control_class_grp.group, "class", &uvcg_control_class_grp_type); - uvcg_init_group(&uvcg_control_grp.group, - uvcg_control_default_groups, + configfs_add_default_group(&uvcg_control_class_fs.group, + &uvcg_control_class_grp.group); + configfs_add_default_group(&uvcg_control_class_ss.group, + &uvcg_control_class_grp.group); + + config_group_init_type_name(&uvcg_control_grp.group, "control", &uvcg_control_grp_type); + configfs_add_default_group(&uvcg_control_header_grp.group, + &uvcg_control_grp.group); + configfs_add_default_group(&uvcg_processing_grp.group, + &uvcg_control_grp.group); + configfs_add_default_group(&uvcg_terminal_grp.group, + &uvcg_control_grp.group); + configfs_add_default_group(&uvcg_control_class_grp.group, + &uvcg_control_grp.group); + config_group_init_type_name(&uvcg_streaming_header_grp.group, "header", &uvcg_streaming_header_grp_type); @@ -2338,30 +2281,47 @@ int uvcg_attach_configfs(struct f_uvc_opts *opts) config_group_init_type_name(&uvcg_default_color_matching.group, "default", &uvcg_default_color_matching_type); - uvcg_init_group(&uvcg_color_matching_grp.group, - uvcg_color_matching_default_groups, + config_group_init_type_name(&uvcg_color_matching_grp.group, "color_matching", &uvcg_color_matching_grp_type); + configfs_add_default_group(&uvcg_default_color_matching.group, + &uvcg_color_matching_grp.group); + config_group_init_type_name(&uvcg_streaming_class_fs.group, - "fs", - &uvcg_streaming_class_type); + "fs", &uvcg_streaming_class_type); config_group_init_type_name(&uvcg_streaming_class_hs.group, - "hs", - &uvcg_streaming_class_type); + "hs", &uvcg_streaming_class_type); config_group_init_type_name(&uvcg_streaming_class_ss.group, - "ss", - &uvcg_streaming_class_type); - uvcg_init_group(&uvcg_streaming_class_grp.group, - uvcg_streaming_class_default_groups, - "class", - &uvcg_streaming_class_grp_type); - uvcg_init_group(&uvcg_streaming_grp.group, - uvcg_streaming_default_groups, - "streaming", - &uvcg_streaming_grp_type); - uvcg_init_group(&opts->func_inst.group, - uvcg_default_groups, + "ss", &uvcg_streaming_class_type); + config_group_init_type_name(&uvcg_streaming_class_grp.group, + "class", &uvcg_streaming_class_grp_type); + configfs_add_default_group(&uvcg_streaming_class_fs.group, + &uvcg_streaming_class_grp.group); + configfs_add_default_group(&uvcg_streaming_class_hs.group, + &uvcg_streaming_class_grp.group); + configfs_add_default_group(&uvcg_streaming_class_ss.group, + &uvcg_streaming_class_grp.group); + + config_group_init_type_name(&uvcg_streaming_grp.group, + "streaming", &uvcg_streaming_grp_type); + configfs_add_default_group(&uvcg_streaming_header_grp.group, + &uvcg_streaming_grp.group); + configfs_add_default_group(&uvcg_uncompressed_grp.group, + &uvcg_streaming_grp.group); + configfs_add_default_group(&uvcg_mjpeg_grp.group, + &uvcg_streaming_grp.group); + configfs_add_default_group(&uvcg_color_matching_grp.group, + &uvcg_streaming_grp.group); + configfs_add_default_group(&uvcg_streaming_class_grp.group, + &uvcg_streaming_grp.group); + + config_group_init_type_name(&opts->func_inst.group, "", &uvc_func_type); + configfs_add_default_group(&uvcg_control_grp.group, + &opts->func_inst.group); + configfs_add_default_group(&uvcg_streaming_grp.group, + &opts->func_inst.group); + return 0; } |