--- /opt/kernel/linux-2.5.1-pre7/drivers/ide/ide-cd.c	Fri Dec  7 20:38:44 2001
+++ drivers/ide/ide-cd.c	Sat Dec  8 14:39:43 2001
@@ -2145,7 +2145,8 @@
 	pc.timeout = cgc->timeout;
 	pc.sense = cgc->sense;
 	cgc->stat = cdrom_queue_packet_command(drive, &pc);
-	cgc->buflen -= pc.buflen;
+	if (!cgc->stat)
+		cgc->buflen -= pc.buflen;
 	return cgc->stat;
 }