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: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -2611,7 +2611,7 @@ static int strip_open(struct tty_struct *tty)
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* We need a write method.
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*/
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if (tty->ops->write == NULL)
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if (tty->ops->write == NULL || tty->ops->set_termios == NULL)
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return -EOPNOTSUPP;
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/*
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