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tty: Fix an ircomm warning and note another bug
Roel Kluin noted that line is unsigned so one test is unneccessary. Also add a warning for another flaw I noticed while making this change. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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1 changed files with 3 additions and 2 deletions
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@ -371,9 +371,8 @@ static int ircomm_tty_open(struct tty_struct *tty, struct file *filp)
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IRDA_DEBUG(2, "%s()\n", __func__ );
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line = tty->index;
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if ((line < 0) || (line >= IRCOMM_TTY_PORTS)) {
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if (line >= IRCOMM_TTY_PORTS)
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return -ENODEV;
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}
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/* Check if instance already exists */
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self = hashbin_lock_find(ircomm_tty, line, NULL);
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@ -405,6 +404,8 @@ static int ircomm_tty_open(struct tty_struct *tty, struct file *filp)
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* Force TTY into raw mode by default which is usually what
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* we want for IrCOMM and IrLPT. This way applications will
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* not have to twiddle with printcap etc.
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*
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* Note this is completely usafe and doesn't work properly
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*/
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tty->termios->c_iflag = 0;
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tty->termios->c_oflag = 0;
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