1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index 824f12c798d6..4765a50d7537 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -768,9 +768,10 @@ int i2c_detach_client(struct i2c_client *client)
 
         mutex_lock(&adapter->clist_lock);
         list_del(&client->list);
+        mutex_unlock(&adapter->clist_lock);
+
         init_completion(&client->released);
         device_unregister(&client->dev);
-        mutex_unlock(&adapter->clist_lock);
         wait_for_completion(&client->released);
 
  out: