tape_std_unassign 1053 drivers/s390/char/tape_34xx.c 	tape_std_unassign(device);
tape_std_unassign 1572 drivers/s390/char/tape_3590.c 	tape_std_unassign(device);
tape_std_unassign  721 drivers/s390/char/tape_std.c EXPORT_SYMBOL(tape_std_unassign);
tape_std_unassign  108 drivers/s390/char/tape_std.h int tape_std_unassign(struct tape_device *);