Al Viro 2f46a2c1d4 tty_ioctl(): start taking TIOC[SG]SERIAL into separate methods ...

->set_serial() and ->get_serial() resp., both taking tty and
a kernel pointer to serial_struct.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

2018-09-14 11:19:30 -04:00

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