Commit 6f8ada12 authored Nov 08, 2016 by Johan Hovold Committed by Greg Kroah-Hartman Nov 10, 2016

tty: amiserial: fix invalid user-pointer check



Drop invalid user-pointer check from TIOCGSERIAL handler.

A NULL-pointer can be valid in user space and copy_to_user() takes care
of sanity checking.

Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 5c31ef91

drivers/tty/amiserial.c

+0 −2

Original line number	Diff line number	Diff line
		@@ -1012,8 +1012,6 @@ static int get_serial_info(struct tty_struct tty, struct serial_state state,
		{
		struct serial_struct tmp;

		if (!retinfo)
		return -EFAULT;
		memset(&tmp, 0, sizeof(tmp));
		tty_lock(tty);
		tmp.line = tty->index;

Admin message