Re: [PATCH] drivers/tty/amiserial.c: add missing tty_unlock

[Jiri Slaby <jslaby@xxxxxxx>]

On 04/19/2012 06:12 PM, Julia Lawall wrote:
> From: Julia Lawall <Julia.Lawall@xxxxxxx>
> 
> tty_unlock is used on all other exits from the function.
> 
> Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxx>

Acked-by: Jiri Slaby <jslaby@xxxxxxx>

This is broken since 2008 BTW.

> ---
>  drivers/tty/amiserial.c |    4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/tty/amiserial.c b/drivers/tty/amiserial.c
> index 24145c3..6cc4358 100644
> --- a/drivers/tty/amiserial.c
> +++ b/drivers/tty/amiserial.c
> @@ -1073,8 +1073,10 @@ static int set_serial_info(struct tty_struct *tty, struct serial_state *state,
>  		    (new_serial.close_delay != port->close_delay) ||
>  		    (new_serial.xmit_fifo_size != state->xmit_fifo_size) ||
>  		    ((new_serial.flags & ~ASYNC_USR_MASK) !=
> -		     (port->flags & ~ASYNC_USR_MASK)))
> +		     (port->flags & ~ASYNC_USR_MASK))) {
> +			tty_unlock();
>  			return -EPERM;
> +		}
>  		port->flags = ((port->flags & ~ASYNC_USR_MASK) |
>  			       (new_serial.flags & ASYNC_USR_MASK));
>  		state->custom_divisor = new_serial.custom_divisor;


-- 
js
suse labs

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