fix #576

session/sess_mem.go

@@ -35,7 +35,6 @@ func (st *MemSessionStore) Get(key interface{}) interface{} {
 	} else {
 		return nil
 	}
-	return nil
 }
 
 // delete in memory session by key
@@ -94,7 +93,6 @@ func (pder *MemProvider) SessionRead(sid string) (SessionStore, error) {
 		pder.lock.Unlock()
 		return newsess, nil
 	}
-	return nil, nil
 }
 
 // check session store exist in memory session by sid
@@ -129,7 +127,6 @@ func (pder *MemProvider) SessionRegenerate(oldsid, sid string) (SessionStore, er
 		pder.lock.Unlock()
 		return newsess, nil
 	}
-	return nil, nil
 }
 
 // delete session store in memory session by id