diff --git a/drivers/target/target_core_fabric_configfs.c b/drivers/target/target_core_fabric_configfs.c index 04c775cb3e65..179f7810d398 100644 --- a/drivers/target/target_core_fabric_configfs.c +++ b/drivers/target/target_core_fabric_configfs.c @@ -84,6 +84,11 @@ static int target_fabric_mappedlun_link( "_tpg does not exist\n"); return -EINVAL; } + if (lun->lun_shutdown) { + pr_err("Unable to create mappedlun symlink because" + " lun->lun_shutdown=true\n"); + return -EINVAL; + } se_tpg = lun->lun_sep->sep_tpg; nacl_ci = &lun_acl_ci->ci_parent->ci_group->cg_item; diff --git a/drivers/target/target_core_tpg.c b/drivers/target/target_core_tpg.c index 8572207e3d4d..bc3092f032b0 100644 --- a/drivers/target/target_core_tpg.c +++ b/drivers/target/target_core_tpg.c @@ -839,6 +839,8 @@ static void core_tpg_shutdown_lun( struct se_portal_group *tpg, struct se_lun *lun) { + lun->lun_shutdown = true; + core_clear_lun_from_tpg(lun, tpg); transport_clear_lun_from_sessions(lun); } @@ -868,6 +870,7 @@ struct se_lun *core_tpg_pre_dellun( spin_unlock(&tpg->tpg_lun_lock); return ERR_PTR(-ENODEV); } + lun->lun_shutdown = false; spin_unlock(&tpg->tpg_lun_lock); return lun; diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h index 7d99c0b5b789..8e271438f77c 100644 --- a/include/target/target_core_base.h +++ b/include/target/target_core_base.h @@ -729,6 +729,7 @@ struct se_port_stat_grps { struct se_lun { #define SE_LUN_LINK_MAGIC 0xffff7771 u32 lun_link_magic; + bool lun_shutdown; /* See transport_lun_status_table */ enum transport_lun_status_table lun_status; u32 lun_access;