[SCSI] target: fixed missing lock drop in error path

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@gmail.com>
Signed-off-by: Nicholas A. Bellinger <nab@linux-iscsi.org>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c
index 969d72785288a3db54b57920e1a382f72d483e0d..9551ab541f0369967883fdd185e081a91f5c2b3a 100644 (file)
--- a/drivers/target/target_core_device.c
+++ b/drivers/target/target_core_device.c
@@ -395,12 +395,14 @@ 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;