diff options
Diffstat (limited to 'drivers/scsi/sr.c')
| -rw-r--r-- | drivers/scsi/sr.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c index e148341079b5..d7b383c96d5d 100644 --- a/drivers/scsi/sr.c +++ b/drivers/scsi/sr.c @@ -862,10 +862,16 @@ static void get_capabilities(struct scsi_cd *cd) static int sr_packet(struct cdrom_device_info *cdi, struct packet_command *cgc) { + struct scsi_cd *cd = cdi->handle; + struct scsi_device *sdev = cd->device; + + if (cgc->cmd[0] == GPCMD_READ_DISC_INFO && sdev->no_read_disc_info) + return -EDRIVE_CANT_DO_THIS; + if (cgc->timeout <= 0) cgc->timeout = IOCTL_TIMEOUT; - sr_do_ioctl(cdi->handle, cgc); + sr_do_ioctl(cd, cgc); return cgc->stat; } |