[SCSI] Mask capabilities for SCSI-1 CD drive

SCSI-1 CD drives can't do MRW or be opened for writing, so mask off
those capabilities.

Signed-off-by: Chuck Ebbert <76306.1226@compuserve.com>
Acked-by: Jens Axboe <axboe@suse.de>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c
index ec73223ad2ea..18a3b756c63c 100644
--- a/drivers/scsi/sr.c
+++ b/drivers/scsi/sr.c
@@ -763,8 +763,9 @@ static void get_capabilities(struct scsi_cd *cd)
                 /* failed, drive doesn't have capabilities mode page */
                 cd->cdi.speed = 1;
                 cd->cdi.mask |= (CDC_CD_R | CDC_CD_RW | CDC_DVD_R |
-                                         CDC_DVD | CDC_DVD_RAM |
-                                         CDC_SELECT_DISC | CDC_SELECT_SPEED);
+                                 CDC_DVD | CDC_DVD_RAM |
+                                 CDC_SELECT_DISC | CDC_SELECT_SPEED |
+                                 CDC_MRW | CDC_MRW_W | CDC_RAM);
                 kfree(buffer);
                 printk("%s: scsi-1 drive\n", cd->cdi.name);
                 return;