elm_diskselector.c: idle enterer add condition changed.

Summary:
The idle enterer added even after deleted sd for diskselector.
it makes crash.

@fix

Test Plan:
1. Run elementary_test
2. Execution diskselector.
3. Close diskselector sample window.
4. Crash occured.

Reviewers: Hermet, seoz, Jaehyun

Differential Revision: https://phab.enlightenment.org/D1843

1 files changed, 6 insertions, 3 deletions

diff --git a/src/lib/elm_diskselector.c b/src/lib/elm_diskselector.c
index 02b5d67f4..1281d2f0a 100644
--- a/src/lib/elm_diskselector.c
+++ b/src/lib/elm_diskselector.c
@@ -444,9 +444,12 @@ _item_del_pre_hook(Elm_Object_Item *item)
           }
      }
 
-   sd->string_check_idle_enterer =
-      ecore_idle_enterer_before_add(_string_check_idle_enterer_cb,
-                                    obj);
+   if (!sd->string_check_idle_enterer)
+     {
+        sd->string_check_idle_enterer =
+           ecore_idle_enterer_before_add(_string_check_idle_enterer_cb,
+                                         obj);
+     }
 
    _sizing_eval(obj);