target: don't add lun0 to tpg_lun_hlist

[Christoph Hellwig]

We never want to find the virtual lun0 when looking up a lun on the TPG,
otherwise the core code gets really confused.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
 drivers/target/target_core_tpg.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/target/target_core_tpg.c b/drivers/target/target_core_tpg.c
index b8c2a32..ced1dd6 100644
--- a/drivers/target/target_core_tpg.c
+++ b/drivers/target/target_core_tpg.c
@@ -647,7 +647,8 @@ int core_tpg_add_lun(
 
 	lun->lun_access = lun_access;
 	lun->lun_status = TRANSPORT_LUN_STATUS_ACTIVE;
-	hlist_add_head_rcu(&lun->link, &tpg->tpg_lun_hlist);
+	if (!(dev->se_hba->hba_flags & HBA_FLAGS_INTERNAL_USE))
+		hlist_add_head_rcu(&lun->link, &tpg->tpg_lun_hlist);
 
 	mutex_unlock(&tpg->tpg_lun_mutex);
 
@@ -687,7 +688,8 @@ void core_tpg_remove_lun(
 	}
 
 	lun->lun_status = TRANSPORT_LUN_STATUS_FREE;
-	hlist_del_rcu(&lun->link);
+	if (!(dev->se_hba->hba_flags & HBA_FLAGS_INTERNAL_USE))
+		hlist_del_rcu(&lun->link);
 	mutex_unlock(&tpg->tpg_lun_mutex);
 
 	percpu_ref_exit(&lun->lun_ref);
-- 
1.9.1

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