Tejun Heo wrote:
> --- 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 not media in the device. Mark as changed, and
> + * we will figure it out later once the drive is available
> + * again.
"Probably no media ..."?
Eike
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