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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 ba9c3e0387ce..b811dd0eb240 100644
--- a/drivers/scsi/sr.c
+++ b/drivers/scsi/sr.c
@@ -862,10 +862,16 @@ static void get_capabilities(struct scsi_cd *cd)
862static int sr_packet(struct cdrom_device_info *cdi, 862static int sr_packet(struct cdrom_device_info *cdi,
863 struct packet_command *cgc) 863 struct packet_command *cgc)
864{ 864{
865 struct scsi_cd *cd = cdi->handle;
866 struct scsi_device *sdev = cd->device;
867
868 if (cgc->cmd[0] == GPCMD_READ_DISC_INFO && sdev->no_read_disc_info)
869 return -EDRIVE_CANT_DO_THIS;
870
865 if (cgc->timeout <= 0) 871 if (cgc->timeout <= 0)
866 cgc->timeout = IOCTL_TIMEOUT; 872 cgc->timeout = IOCTL_TIMEOUT;
867 873
868 sr_do_ioctl(cdi->handle, cgc); 874 sr_do_ioctl(cd, cgc);
869 875
870 return cgc->stat; 876 return cgc->stat;
871} 877}