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linux/drivers/usb/class
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Jiri Slaby (SUSE) 2299e3ba12 tty: introduce and use tty_port_tty_vhangup() helper 
[ Upstream commit 2b5eac0f8c ]

This code (tty_get -> vhangup -> tty_put) is repeated on few places.
Introduce a helper similar to tty_port_tty_hangup() (asynchronous) to
handle even vhangup (synchronous).

And use it on those places.

In fact, reuse the tty_port_tty_hangup()'s code and call tty_vhangup()
depending on a new bool parameter.

Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Cc: Karsten Keil <isdn@linux-pingi.de>
Cc: David Lin <dtwlin@gmail.com>
Cc: Johan Hovold <johan@kernel.org>
Cc: Alex Elder <elder@kernel.org>
Cc: Oliver Neukum <oneukum@suse.com>
Cc: Marcel Holtmann <marcel@holtmann.org>
Cc: Johan Hedberg <johan.hedberg@gmail.com>
Cc: Luiz Augusto von Dentz <luiz.dentz@gmail.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20250611100319.186924-2-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Stable-dep-of: 74098cc06e ("xhci: dbgtty: fix device unregister: fixup")
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2026-01-08 10:14:56 +01:00
..
cdc-acm.c tty: introduce and use tty_port_tty_vhangup() helper 2026-01-08 10:14:56 +01:00
cdc-acm.h USB: cdc-acm: use CDC serial-state defines 2022-07-25 10:57:41 +02:00
cdc-wdm.c usb: cdc-wdm: avoid setting WDM_READ for ZLP-s 2025-07-06 11:01:35 +02:00
Kconfig treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
Makefile USB: add SPDX identifiers to all remaining Makefiles 2017-11-07 15:53:48 +01:00
usblp.c USB: usblp: return error when setting unsupported protocol 2025-01-17 13:40:54 +01:00
usbtmc.c usb: usbtmc: Fix read_stb function and get_stb ioctl 2025-06-19 15:32:34 +02:00