Let DVD's play again. Logic reversal prevented copyright reading.

Symptoms noted by oga@. actual bug spotted by dlg@

diff --git a/sys/scsi/cd.c b/sys/scsi/cd.c
index b2c307b..9c8eefe 100644 (file)
--- a/sys/scsi/cd.c
+++ b/sys/scsi/cd.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: cd.c,v 1.178 2010/07/22 15:59:46 matthew Exp $        */
+/*     $OpenBSD: cd.c,v 1.179 2010/07/25 05:35:42 krw Exp $    */
 /*     $NetBSD: cd.c,v 1.100 1997/04/02 02:29:30 mycroft Exp $ */
 
 /*
@@ -1958,7 +1958,7 @@ dvd_read_copyright(struct cd_softc *sc, union dvd_struct *s)
        error = scsi_xs_sync(xs);
        scsi_xs_put(xs);
 
-       if (error) {
+       if (error == 0) {
                s->copyright.cpst = buf[4];
                s->copyright.rmi = buf[5];
        }