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(parent: eb777b9) | patch
USB: cdc-acm: only raise DTR on transitions from B0
authorJohan Hovold <johan@kernel.org>
Wed, 5 Nov 2014 17:41:59 +0000 (18:41 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 14 Nov 2014 17:00:03 +0000 (09:00 -0800)
commit601fae783a931084634d70d6e1d327d4388c4e59
tree29dac5dfac3ba9b4d67532ca15d347bcbd86d739tree | snapshot
parenteb777b94e2aaed2912df230e33706f09b7d244e7commit | diff
USB: cdc-acm: only raise DTR on transitions from B0

commit 4473d054ceb572557954f9536731d39b20937b0c upstream.

Make sure to only raise DTR on transitions from B0 in set_termios.

Also allow set_termios to be called from open with a termios_old of
NULL. Note that DTR will not be raised prematurely in this case.

Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/class/cdc-acm.c diff | blob | history
Linux kernel for KaRo TX COM modules