linux-kernel - [PATCH 0/8] USB: serial: fix TIOCMBIS and TIOCMBIC

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Message-ID: <20251022152640.24212-1-johan@kernel.org>
Date: Wed, 22 Oct 2025 17:26:32 +0200
From: Johan Hovold <johan@...nel.org>
To: Johan Hovold <johan@...nel.org>
Cc: linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 0/8] USB: serial: fix TIOCMBIS and TIOCMBIC

Asserting or deasserting a modem control line using TIOCMBIS or TIOCMBIC
should not deassert any lines that are not in the mask, but two drivers
got this wrong.

Included are also some related cleanups.

Johan


Johan Hovold (8):
  USB: serial: belkin_sa: fix TIOCMBIS and TIOCMBIC
  USB: serial: kobil_sct: fix TIOCMBIS and TIOCMBIC
  USB: serial: belkin_sa: clean up tiocmset()
  USB: serial: kobil_sct: clean up tiocmset()
  USB: serial: kobil_sct: clean up device type checks
  USB: serial: kobil_sct: add control request helpers
  USB: serial: kobil_sct: clean up set_termios()
  USB: serial: kobil_sct: drop unnecessary initialisations

 drivers/usb/serial/belkin_sa.c |  42 +++----
 drivers/usb/serial/kobil_sct.c | 210 ++++++++++++---------------------
 2 files changed, 95 insertions(+), 157 deletions(-)

-- 
2.49.1