Index: xcompmgr.c
===================================================================
RCS file: /cvs/xapps/xcompmgr/xcompmgr.c,v
retrieving revision 1.26
diff -a -u -r1.26 xcompmgr.c
--- xcompmgr.c	14 Aug 2004 21:39:51 -0000	1.26
+++ xcompmgr.c	22 Aug 2004 14:41:03 -0000
@@ -451,7 +451,7 @@
 			   swidth, sheight, 8, swidth * sizeof (unsigned char));
     if (!ximage)
     {
-	free (data);
+	if (data) free (data);
 	return 0;
     }
     /*
@@ -578,7 +578,7 @@
 	if ((long) (sequence - ignore_head->sequence) > 0)
 	{
 	    ignore  *next = ignore_head->next;
-	    free (ignore_head);
+	    if(ignore_head) free (ignore_head);
 	    ignore_head = next;
 	    if (!ignore_head)
 		ignore_tail = &ignore_head;
@@ -1213,7 +1213,7 @@
     set_ignore (dpy, NextRequest (dpy));
     if (!XGetWindowAttributes (dpy, id, &new->a))
     {
-	free (new);
+	if (new) free (new);
 	return;
     }
     new->damaged = 0;