X-Git-Url: http://git.chise.org/gitweb/?p=chise%2Fxemacs-chise.git.1;a=blobdiff_plain;f=src%2Fscrollbar-x.c;h=554be5d3ef2efaf3283ed8f8f6f24adcb990b6e8;hp=e06f5988fcd0687c8b23d2b16c246e7251ba578a;hb=a1655b870904de973c366d85ebdc8adde4ef5e1e;hpb=c855f9c824a0fc23e52e92d65ec8a34bd51cddd7

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))