slider: fix a potentional crashing problem

null pointer dereferencing could happen once eina_value_setup fails.
this patch fixes the problem in adavnace

Reviewed-by: Christopher Michael <devilhorns@comcast.net>
Differential Revision: https://phab.enlightenment.org/D12173

1 files changed, 3 insertions, 3 deletions

diff --git a/src/lib/elementary/elm_slider.c b/src/lib/elementary/elm_slider.c
index 439711c392..6604c4c2fb 100644
--- a/src/lib/elementary/elm_slider.c
+++ b/src/lib/elementary/elm_slider.c
@@ -102,7 +102,7 @@ _units_set(Evas_Object *obj)
      {
         Eina_Value val;
 
-        eina_value_setup(&val, EINA_VALUE_TYPE_DOUBLE);
+        if (!eina_value_setup(&val, EINA_VALUE_TYPE_DOUBLE)) return;
 
         eina_strbuf_reset(sd->format_strbuf);
         if (!sd->intvl_enable)
@@ -147,7 +147,7 @@ _indicator_set(Evas_Object *obj)
 
    if (!sd->indi_format_cb) return;
 
-   eina_value_setup(&val, EINA_VALUE_TYPE_DOUBLE);
+   if (!eina_value_setup(&val, EINA_VALUE_TYPE_DOUBLE)) return;
    eina_strbuf_reset(sd->indi_format_strbuf);
 
    eina_value_set(&val, sd->val);
@@ -180,7 +180,7 @@ _min_max_set(Evas_Object *obj)
    Eina_Value val;
 
    if (!sd->format_cb) return;
-   eina_value_setup(&val, EINA_VALUE_TYPE_DOUBLE);
+   if (!eina_value_setup(&val, EINA_VALUE_TYPE_DOUBLE)) return;
 
    str = eina_strbuf_new();