The TIOCMIWAIT implementation would return -EINVAL if any of the three
supported signals were included in the mask.
Instead of returning an error in case TIOCM_CTS is included, simply
drop the mask check completely, which is in accordance with how other
drivers implement this ioctl.
Fixes: fef4b564ee12 ("cdc-acm: add TIOCMIWAIT") Cc: stable <stable@vger.kernel.org> Signed-off-by: Johan Hovold <johan@kernel.org> Acked-by: Oliver Neukum <oneukum@suse.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
projects / kernel.git / commit