interface_scroller: Add null check for page_x_get

in case of mirrored mode, page_x_get will return reverse value without
null checking. this commit contains null check for it.

Change-Id: If05f199f3a9e70b2e2b0731a56e6828c91139845
Signed-off-by: Wonki Kim <wonki_.kim@samsung.com>

diff --git a/src/lib/elm_interface_scrollable.c b/src/lib/elm_interface_scrollable.c
index 014e08541378fc37a0331b6bffb5860c52c638b7..15f73673af6ddf265c1ea421bc71bfcf265e595b 100644 (file)
--- a/src/lib/elm_interface_scrollable.c
+++ b/src/lib/elm_interface_scrollable.c
@@ -4837,7 +4837,7 @@ _elm_interface_scrollable_current_page_get(Eo *obj EINA_UNUSED, Elm_Scrollable_S
           *pagenumber_v = 0;
      }
 
-   if (sid->is_mirrored)
+   if (sid->is_mirrored && pagenumber_h)
      *pagenumber_h = last_x - *pagenumber_h;
 }