[SCSI] st: clean up device file creation and removal

This patch cleans up the st device file creation and removal.

Reviewed-by: Lee Duncan <[email protected]>
Signed-off-by: Jeff Mahoney <[email protected]>
Acked-by: Kai Mäkisara <[email protected]>
Signed-off-by: James Bottomley <[email protected]>
2 files changed