Index: xinit.c
===================================================================
RCS file: /cvs/xorg/app/xinit/xinit.c,v
retrieving revision 1.4
diff -u -r1.4 xinit.c
--- xinit.c	4 Oct 2005 01:27:34 -0000	1.4
+++ xinit.c	19 Jun 2006 21:31:58 -0000
@@ -692,7 +692,10 @@
 startClient(char *client[])
 {
 	if ((clientpid = vfork()) == 0) {
-		setuid(getuid());
+		if (setuid(getuid()) == -1) {
+			Error("cannot change uid: %s\n", strerror(errno));
+			_exit(ERR_EXIT);
+		}
 		setpgrp(0, getpid());
 		environ = newenviron;
 #ifdef __UNIXOS2__