diff options
Diffstat (limited to 'hw/ide/atapi.c')
| -rw-r--r-- | hw/ide/atapi.c | 29 |
1 files changed, 9 insertions, 20 deletions
diff --git a/hw/ide/atapi.c b/hw/ide/atapi.c index d9db6de3d6..afb27c60a2 100644 --- a/hw/ide/atapi.c +++ b/hw/ide/atapi.c @@ -905,33 +905,22 @@ static void cmd_seek(IDEState *s, uint8_t* buf) static void cmd_start_stop_unit(IDEState *s, uint8_t* buf) { - int sense, err = 0; + int sense; bool start = buf[4] & 1; bool loej = buf[4] & 2; /* load on start, eject on !start */ if (loej) { - err = bdrv_eject(s->bs, !start); - } - - switch (err) { - case 0: - ide_atapi_cmd_ok(s); - break; - case -EBUSY: - sense = SENSE_NOT_READY; - if (bdrv_is_inserted(s->bs)) { - sense = SENSE_ILLEGAL_REQUEST; + if (!start && s->tray_locked) { + sense = bdrv_is_inserted(s->bs) + ? SENSE_NOT_READY : SENSE_ILLEGAL_REQUEST; + ide_atapi_cmd_error(s, sense, ASC_MEDIA_REMOVAL_PREVENTED); + return; } - ide_atapi_cmd_error(s, sense, ASC_MEDIA_REMOVAL_PREVENTED); - break; - default: - ide_atapi_cmd_error(s, SENSE_NOT_READY, ASC_MEDIUM_NOT_PRESENT); - break; - } - - if (loej && !err) { + bdrv_eject(s->bs, !start); s->tray_open = !start; } + + ide_atapi_cmd_ok(s); } static void cmd_mechanism_status(IDEState *s, uint8_t* buf) |