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-rw-r--r--drivers/scsi/sr.c8
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;
}