[PATCH v2 -next] scsi: target: iscsi: use DEFINE_MUTEX() for mutex lock

[Zheng Yongjun]

mutex lock can be initialized automatically with DEFINE_MUTEX()
rather than explicitly calling mutex_init().

Signed-off-by: Zheng Yongjun <zhengyongjun3@xxxxxxxxxx>
---
 drivers/target/iscsi/iscsi_target.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index 518fac4864cf..b33726229f94 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -50,7 +50,7 @@ static DEFINE_MUTEX(np_lock);
 
 static struct idr tiqn_idr;
 DEFINE_IDA(sess_ida);
-struct mutex auth_id_lock;
+DEFINE_MUTEX(auth_id_lock);
 
 struct iscsit_global *iscsit_global;
 
@@ -690,7 +690,6 @@ static int __init iscsi_target_init_module(void)
 		return -1;
 
 	spin_lock_init(&iscsit_global->ts_bitmap_lock);
-	mutex_init(&auth_id_lock);
 	idr_init(&tiqn_idr);
 
 	ret = target_register_template(&iscsi_ops);
-- 
2.22.0