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-rw-r--r--drivers/target/target_core_device.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c
index f3dc1f5fc41c..b2b081236abb 100644
--- a/drivers/target/target_core_device.c
+++ b/drivers/target/target_core_device.c
@@ -47,6 +47,9 @@
#include "target_core_pr.h"
#include "target_core_ua.h"
+DEFINE_MUTEX(g_device_mutex);
+LIST_HEAD(g_device_list);
+
static struct se_hba *lun0_hba;
/* not static, needed by tpg.c */
struct se_device *g_lun0_dev;
@@ -1406,6 +1409,7 @@ struct se_device *target_alloc_device(struct se_hba *hba, const char *name)
INIT_LIST_HEAD(&dev->delayed_cmd_list);
INIT_LIST_HEAD(&dev->state_list);
INIT_LIST_HEAD(&dev->qf_cmd_list);
+ INIT_LIST_HEAD(&dev->g_dev_node);
spin_lock_init(&dev->stats_lock);
spin_lock_init(&dev->execute_task_lock);
spin_lock_init(&dev->delayed_cmd_lock);
@@ -1525,6 +1529,11 @@ int target_configure_device(struct se_device *dev)
spin_lock(&hba->device_lock);
hba->dev_count++;
spin_unlock(&hba->device_lock);
+
+ mutex_lock(&g_device_mutex);
+ list_add_tail(&dev->g_dev_node, &g_device_list);
+ mutex_unlock(&g_device_mutex);
+
return 0;
out_free_alua:
@@ -1543,6 +1552,10 @@ void target_free_device(struct se_device *dev)
if (dev->dev_flags & DF_CONFIGURED) {
destroy_workqueue(dev->tmr_wq);
+ mutex_lock(&g_device_mutex);
+ list_del(&dev->g_dev_node);
+ mutex_unlock(&g_device_mutex);
+
spin_lock(&hba->device_lock);
hba->dev_count--;
spin_unlock(&hba->device_lock);