scsi: target: iscsi: Make sure the np under each tpg is unique
[ Upstream commit a861790afaa8b6369eee8a88c5d5d73f5799c0c6 ] 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>
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@ -451,6 +451,9 @@ static bool iscsit_tpg_check_network_portal(
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break;
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}
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spin_unlock(&tpg->tpg_np_lock);
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if (match)
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break;
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}
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spin_unlock(&tiqn->tiqn_tpg_lock);
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