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Subject[PATCH 4.9 126/177] iscsi-target: fix memory leak in lio_target_tiqn_addtpg()
Date
4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: tangwenji <tang.wenji@zte.com.cn>


[ Upstream commit 12d5a43b2dffb6cd28062b4e19024f7982393288 ]

tpg must free when call core_tpg_register() return fail

Signed-off-by: tangwenji <tang.wenji@zte.com.cn>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/target/iscsi/iscsi_target_configfs.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/target/iscsi/iscsi_target_configfs.c
+++ b/drivers/target/iscsi/iscsi_target_configfs.c
@@ -1144,7 +1144,7 @@ static struct se_portal_group *lio_targe

ret = core_tpg_register(wwn, &tpg->tpg_se_tpg, SCSI_PROTOCOL_ISCSI);
if (ret < 0)
- return NULL;
+ goto free_out;

ret = iscsit_tpg_add_portal_group(tiqn, tpg);
if (ret != 0)
@@ -1156,6 +1156,7 @@ static struct se_portal_group *lio_targe
return &tpg->tpg_se_tpg;
out:
core_tpg_deregister(&tpg->tpg_se_tpg);
+free_out:
kfree(tpg);
return NULL;
}

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