nozomi: Fix close on error
Nozomi assumes the close method isn't called if open errors. The tty layer is different to other drives in this respect however. Pointed out by Denis J Barrow. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -1599,7 +1599,10 @@ static int ntty_open(struct tty_struct *tty, struct file *file)
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return 0;
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return 0;
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}
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}
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/* Called when the userspace process close the tty, /dev/noz*. */
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/* Called when the userspace process close the tty, /dev/noz*. Also
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called immediately if ntty_open fails in which case tty->driver_data
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will be NULL an we exit by the first return */
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static void ntty_close(struct tty_struct *tty, struct file *file)
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static void ntty_close(struct tty_struct *tty, struct file *file)
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{
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{
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struct nozomi *dc = get_dc_by_tty(tty);
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struct nozomi *dc = get_dc_by_tty(tty);
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