diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/scsi/sr.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c index d7b383c96d5d..c7e29bdec2cd 100644 --- a/drivers/scsi/sr.c +++ b/drivers/scsi/sr.c @@ -214,13 +214,17 @@ static int sr_media_change(struct cdrom_device_info *cdi, int slot) sshdr = kzalloc(sizeof(*sshdr), GFP_KERNEL); retval = sr_test_unit_ready(cd->device, sshdr); - if (retval || (scsi_sense_valid(sshdr) && - /* 0x3a is medium not present */ - sshdr->asc == 0x3a)) { - /* Media not present or unable to test, unit probably not - * ready. This usually means there is no disc in the drive. - * Mark as changed, and we will figure it out later once - * the drive is available again. + /* + * Media is considered to be present if TUR succeeds or fails with + * sense data indicating something other than media-not-present + * (ASC 0x3a). + */ + if (!scsi_status_is_good(retval) && + (!scsi_sense_valid(sshdr) || sshdr->asc == 0x3a)) { + /* + * Probably no media in the device. Mark as changed, and + * we will figure it out later once the drive is available + * again. */ cd->device->changed = 1; /* This will force a flush, if called from check_disk_change */ |