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(parent: 802b4ef) | patch
USB: serial: ch341: fix open and resume after B0
authorJohan Hovold <johan@kernel.org>
Fri, 6 Jan 2017 18:15:11 +0000 (19:15 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 19 Jan 2017 19:17:20 +0000 (20:17 +0100)
commit214a8e98e6bcec725aa5ba1eff210b2df030bf6e
tree6d98ce2dc1f415529d63ca7dd44c9b2760b6d455tree | snapshot (tar.gz zip)
parent802b4ef3b9898c5485ebb4185ba9131518bb9efdcommit | diff
USB: serial: ch341: fix open and resume after B0

commit a20047f36e2f6a1eea4f1fd261aaa55882369868 upstream.

The private baud_rate variable is used to configure the port at open and
reset-resume and must never be set to (and left at) zero or reset-resume
and all further open attempts will fail.

Fixes: aa91def41a7b ("USB: ch341: set tty baud speed according to tty struct")
Fixes: 664d5df92e88 ("USB: usb-serial ch341: support for DTR/RTS/CTS")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/serial/ch341.c diff | blob | blame | history