Commit 79f999d0 authored by Alan Cox's avatar Alan Cox Committed by Linus Torvalds

strip: Fix termios assumption

Strip assumes that the tty drivers always have a set_termios method which
may not be true. Check this when binding to the tty so that we don't oops
later.
Signed-off-by: default avatarAlan Cox <alan@redhat.com>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 492c2e47
......@@ -2611,7 +2611,7 @@ static int strip_open(struct tty_struct *tty)
* We need a write method.
*/
if (tty->ops->write == NULL)
if (tty->ops->write == NULL || tty->ops->set_termios == NULL)
return -EOPNOTSUPP;
/*
......
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