ide-cd: kill whole failed request in ide_cd_do_request()

Untangling cdrom_end_request() uncovered an error in completing
failed requests in ide_cd_do_request().  Fix it.

Cc: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

drivers/ide/ide-cd.c

@@ -1083,7 +1083,7 @@ static ide_startstop_t ide_cd_do_request(ide_drive_t *drive, struct request *rq,
 			rq->errors = -EIO;
 	}
 
-	nsectors = rq->hard_cur_sectors;
+	nsectors = rq->hard_nr_sectors;
 
 	if (nsectors == 0)
 		nsectors = 1;