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| author | Jiri Slaby <jslaby@suse.cz> | 2012-06-04 13:35:21 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-06-12 15:50:24 -0700 |
| commit | 62f228acb807c370c3b1583bf0f1aa4ab8e19aca (patch) | |
| tree | 770750aa0c324f286582d6317aa2d41d5e2cc122 /net/irda/ircomm/ircomm_tty_ioctl.c | |
| parent | e673927d8a210ab1db27047080fc1bdb47f7e372 (diff) | |
| download | op-kernel-dev-62f228acb807c370c3b1583bf0f1aa4ab8e19aca.zip op-kernel-dev-62f228acb807c370c3b1583bf0f1aa4ab8e19aca.tar.gz | |
TTY: ircomm, use tty from tty_port
This also includes a switch to tty refcounting. It makes sure, the
code no longer can access a freed TTY struct.
Sometimes the only thing needed is to pass tty down to the callies.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Samuel Ortiz <samuel@sortiz.org>
Cc: netdev@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/irda/ircomm/ircomm_tty_ioctl.c')
| -rw-r--r-- | net/irda/ircomm/ircomm_tty_ioctl.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/net/irda/ircomm/ircomm_tty_ioctl.c b/net/irda/ircomm/ircomm_tty_ioctl.c index 31b917e..0eab650 100644 --- a/net/irda/ircomm/ircomm_tty_ioctl.c +++ b/net/irda/ircomm/ircomm_tty_ioctl.c @@ -52,17 +52,18 @@ * Change speed of the driver. If the remote device is a DCE, then this * should make it change the speed of its serial port */ -static void ircomm_tty_change_speed(struct ircomm_tty_cb *self) +static void ircomm_tty_change_speed(struct ircomm_tty_cb *self, + struct tty_struct *tty) { unsigned int cflag, cval; int baud; IRDA_DEBUG(2, "%s()\n", __func__ ); - if (!self->tty || !self->tty->termios || !self->ircomm) + if (!self->ircomm) return; - cflag = self->tty->termios->c_cflag; + cflag = tty->termios->c_cflag; /* byte size and parity */ switch (cflag & CSIZE) { @@ -81,7 +82,7 @@ static void ircomm_tty_change_speed(struct ircomm_tty_cb *self) cval |= IRCOMM_PARITY_EVEN; /* Determine divisor based on baud rate */ - baud = tty_get_baud_rate(self->tty); + baud = tty_get_baud_rate(tty); if (!baud) baud = 9600; /* B0 transition handled in rs_set_termios */ @@ -159,7 +160,7 @@ void ircomm_tty_set_termios(struct tty_struct *tty, return; } - ircomm_tty_change_speed(self); + ircomm_tty_change_speed(self, tty); /* Handle transition to B0 status */ if ((old_termios->c_cflag & CBAUD) && |
