On Mon, Mar 1, 2021 at 10:22 PM Jiri Slaby [off-list ref] wrote:

These drivers check tty_unregister_driver return value. But they don't
handle a failure correctly (they free the driver in any case). So stop
checking tty_unregister_driver return value and remove also the prints.

In the next patch, tty_unregister_driver's return type will be switched
to void.

Signed-off-by: Jiri Slaby <redacted>
Cc: Chris Zankel <chris@zankel.net>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Cc: linux-xtensa@linux-xtensa.org
Cc: Jiri Kosina <jikos@kernel.org>
Cc: David Sterba <dsterba@suse.com>
---
 arch/xtensa/platforms/iss/console.c | 6 +-----
 drivers/tty/amiserial.c             | 8 ++------
 drivers/tty/ipwireless/tty.c        | 7 +------
 drivers/tty/moxa.c                  | 4 +---
 drivers/tty/serial/kgdb_nmi.c       | 4 +---
 drivers/tty/synclink_gt.c           | 5 +----
 6 files changed, 7 insertions(+), 27 deletions(-)

Reviewed-by: Max Filippov <jcmvbkbc@gmail.com>

-- 
Thanks.
-- Max