Index: bsd_mouse.c
===================================================================
RCS file: /cvs/fd/xorg/xc/programs/Xserver/hw/xfree86/os-support/bsd/bsd_mouse.c,v
retrieving revision 1.5
diff -u -r1.5 bsd_mouse.c
--- bsd_mouse.c	3 Jul 2005 07:01:30 -0000	1.5
+++ bsd_mouse.c	2 Feb 2006 22:43:16 -0000
@@ -401,7 +401,7 @@
     XisbBlockDuration(pMse->buffer, -1);
     pBuf = (unsigned char *)eventList;
     n = 0;
-    while ((c = XisbRead(pMse->buffer)) >= 0 && n < sizeof(eventList)) {
+    while (n < sizeof(eventList) && (c = XisbRead(pMse->buffer)) >= 0) {
 	pBuf[n++] = (unsigned char)c;
     }