[PATCH] target: make sure the np under each tpg is unique

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From: ZouMingzhe <mingzhe.zou@xxxxxxxxxxxx>

iscsit_tpg_check_network_portal() has two-layer for loop, and
should return true When a match is found. Then, the tpg loop
will still continue after break the tpg_np loop. If this tpg_np
is not the last, the match value will be changed.

This patch break all loops after finding a match, and make sure
the np under each tpg is unique.

Signed-off-by: ZouMingzhe <mingzhe.zou@xxxxxxxxxxxx>
---
 drivers/target/iscsi/iscsi_target_tpg.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/target/iscsi/iscsi_target_tpg.c b/drivers/target/iscsi/iscsi_target_tpg.c
index 8075f60fd02c..2d5cf1714ae0 100644
--- a/drivers/target/iscsi/iscsi_target_tpg.c
+++ b/drivers/target/iscsi/iscsi_target_tpg.c
@@ -443,6 +443,9 @@ static bool iscsit_tpg_check_network_portal(
 				break;
 		}
 		spin_unlock(&tpg->tpg_np_lock);
+
+		if (match)
+			break;
 	}
 	spin_unlock(&tiqn->tiqn_tpg_lock);
 
-- 
2.17.1




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