diff options
| -rw-r--r-- | drivers/s390/char/tape_std.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/s390/char/tape_std.c b/drivers/s390/char/tape_std.c index 7a76ec413a3..2a1af4e60be 100644 --- a/drivers/s390/char/tape_std.c +++ b/drivers/s390/char/tape_std.c @@ -647,7 +647,10 @@ tape_std_mtcompression(struct tape_device *device, int mt_count) return PTR_ERR(request); request->op = TO_NOP; /* setup ccws */ - *device->modeset_byte = (mt_count == 0) ? 0x00 : 0x08; + if (mt_count == 0) + *device->modeset_byte &= ~0x08; + else + *device->modeset_byte |= 0x08; tape_ccw_cc(request->cpaddr, MODE_SET_DB, 1, device->modeset_byte); tape_ccw_end(request->cpaddr + 1, NOP, 0, NULL); /* execute it */ |