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scsi: target: iscsi: Make sure the np under each tpg is unique

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[ Upstream commit a861790afa ]

iscsit_tpg_check_network_portal() has nested for_each loops and is supposed
to return true when a match is found. However, the tpg loop will still
continue after existing the tpg_np loop. If this tpg_np is not the last the
match value will be changed.

Break the outer loop after finding a match and make sure the np under each
tpg is unique.

Link: https://lore.kernel.org/r/20220111054742.19582-1-mingzhe.zou@easystack.cn
Signed-off-by: ZouMingzhe <mingzhe.zou@easystack.cn>
Reviewed-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
ZouMingzhe
2022-01-11 13:47:42 +08:00
committed by Greg Kroah-Hartman
parent 67baac10dd
commit 7dbda616fc
1 changed files with 3 additions and 0 deletions
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3
drivers/target/iscsi/iscsi_target_tpg.c
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@@ -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);