[SCSI] st: Fixup -ENOMEDIUM

Based on the original patch from Hannes Reinecke <hare@suse.de>

Fix st_open() to return -ENOMEDIUM instead of -EIO if no medium is
found.

Signed-off-by: Kai Makisara <kai.makisara@kolumbus.fi>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index 3babdc7..e1a52c5 100644 (file)
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -1177,7 +1177,10 @@ static int st_open(struct inode *inode, struct file *filp)
                goto err_out;
        if ((filp->f_flags & O_NONBLOCK) == 0 &&
            retval != CHKRES_READY) {
-               retval = (-EIO);
+               if (STp->ready == NO_TAPE)
+                       retval = (-ENOMEDIUM);
+               else
+                       retval = (-EIO);
                goto err_out;
        }
        return 0;