staging: dgnc: preserve return code
Return code from tty_check_change() should be being preserved. Preserve return code from call to tty_check_change(). Signed-off-by: Tobin C. Harding <me@tobin.cc> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -2394,7 +2394,7 @@ static int dgnc_tty_ioctl(struct tty_struct *tty, unsigned int cmd,
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rc = tty_check_change(tty);
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spin_unlock_irqrestore(&ch->ch_lock, flags);
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if (rc)
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return -ENODEV;
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return rc;
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rc = ch_bd_ops->drain(tty, 0);
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if (rc)
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@ -2419,7 +2419,7 @@ static int dgnc_tty_ioctl(struct tty_struct *tty, unsigned int cmd,
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rc = tty_check_change(tty);
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spin_unlock_irqrestore(&ch->ch_lock, flags);
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if (rc)
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return -ENODEV;
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return rc;
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rc = ch_bd_ops->drain(tty, 0);
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if (rc)
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@ -2437,7 +2437,7 @@ static int dgnc_tty_ioctl(struct tty_struct *tty, unsigned int cmd,
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rc = tty_check_change(tty);
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spin_unlock_irqrestore(&ch->ch_lock, flags);
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if (rc)
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return -ENODEV;
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return rc;
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rc = ch_bd_ops->drain(tty, 0);
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if (rc)
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