X-Git-Url: http://git.chise.org/gitweb/?a=blobdiff_plain;f=src%2Fscrollbar-x.c;h=554be5d3ef2efaf3283ed8f8f6f24adcb990b6e8;hb=4f29597e4f3696a59bb08ffece07183c1568c4a5;hp=e06f5988fcd0687c8b23d2b16c246e7251ba578a;hpb=41e784bb39d67f3906871511cb30805a71a6d6b3;p=chise%2Fxemacs-chise.git-

diff --git a/src/scrollbar-x.c b/src/scrollbar-x.c
index e06f598..554be5d 100644
--- a/src/scrollbar-x.c
+++ b/src/scrollbar-x.c
@@ -406,6 +406,9 @@ x_update_vertical_scrollbar_callback (Widget widget, LWLIB_ID id,
     return;
 
   mirror = find_scrollbar_window_mirror (f, id);
+  if (!mirror)
+    return;
+  
   win = real_window (mirror, 1);
 
   if (NILP (win))
@@ -609,6 +612,9 @@ x_update_horizontal_scrollbar_callback (Widget widget, LWLIB_ID id,
     return;
 
   mirror = find_scrollbar_window_mirror (f, id);
+  if (!mirror)
+    return;
+  
   win = real_window (mirror, 1);
 
   if (NILP (win))