Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6

[sfrench/cifs-2.6.git] / drivers / scsi / sr.c

diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c
index e148341079b5108f873a4f26d86344984a488292..d7b383c96d5d5811620345e8e4397a9dccbc1ab8 100644 (file)
--- 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;
 }