diff options
| -rw-r--r-- | sys/scsi/cd.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/sys/scsi/cd.c b/sys/scsi/cd.c index c0adb320f62..1c4ab86bcb9 100644 --- a/sys/scsi/cd.c +++ b/sys/scsi/cd.c @@ -1,4 +1,4 @@ -/* $OpenBSD: cd.c,v 1.80 2005/05/27 16:07:51 krw Exp $ */ +/* $OpenBSD: cd.c,v 1.81 2005/05/27 23:51:53 krw Exp $ */ /* $NetBSD: cd.c,v 1.100 1997/04/02 02:29:30 mycroft Exp $ */ /* @@ -1490,7 +1490,7 @@ cd_set_pa_immed(cd, flags) { struct scsi_mode_sense_buf data; struct cd_audio_page *audio = NULL; - int error; + int error, oflags; if (cd->sc_link->flags & SDEV_ATAPI) /* XXX Noop? */ @@ -1503,8 +1503,11 @@ cd_set_pa_immed(cd, flags) if (audio == NULL) return (EIO); + oflags = audio->flags; audio->flags &= ~CD_PA_SOTC; audio->flags |= CD_PA_IMMED; + if (audio->flags == oflags) + return (0); if (MODE_HEADER_IS_BIG(&data, audio)) error = scsi_mode_select_big(cd->sc_link, SMS_PF, |