[PATCH 1/3] target: Drop nacl->device_list_lock on core_update_device_list_for_node failure

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From: Fubo Chen <fubo.chen@xxxxxxxxx>

The struct se_node_acl->device_list_lock needs to be released if either
sanity check for struct se_dev_entry->se_lun_acl or deve->se_lun fails.

Signed-off-by: Fubo Chen <fubo.chen@xxxxxxxxx>
Signed-off-by: Nicholas A. Bellinger <nab@xxxxxxxxxxxxxxx>
---
 drivers/target/target_core_device.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c
index 4c2bd9c..95dfe3a 100644
--- a/drivers/target/target_core_device.c
+++ b/drivers/target/target_core_device.c
@@ -391,12 +391,14 @@ int core_update_device_list_for_node(
 				printk(KERN_ERR "struct se_dev_entry->se_lun_acl"
 					" already set for demo mode -> explict"
 					" LUN ACL transition\n");
+				spin_unlock_irq(&nacl->device_list_lock);
 				return -1;
 			}
 			if (deve->se_lun != lun) {
 				printk(KERN_ERR "struct se_dev_entry->se_lun does"
 					" match passed struct se_lun for demo mode"
 					" -> explict LUN ACL transition\n");
+				spin_unlock_irq(&nacl->device_list_lock);
 				return -1;
 			}
 			deve->se_lun_acl = lun_acl;
-- 
1.5.6.5

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