Re: [patch] tty: amiserial.c: remove a double irq restore

[Jiri Slaby]

On 08/04/2016, 07:34 AM, Dan Carpenter wrote:
> We already called "local_irq_restore(flags);" so this isn't needed.
> 
> Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>
> 
> diff --git a/drivers/tty/amiserial.c b/drivers/tty/amiserial.c
> index 208f573..2f33cf1 100644
> --- a/drivers/tty/amiserial.c
> +++ b/drivers/tty/amiserial.c
> @@ -880,7 +880,6 @@ static int rs_write(struct tty_struct * tty, const 
> unsigned char *buf, int count

If I add a bit more context:

                local_irq_disable();
                custom.intena = IF_SETCLR | IF_TBE;
                mb();
>               /* set a pending Tx Interrupt, transmitter should restart now */
>               custom.intreq = IF_SETCLR | IF_TBE;
>               mb();
> -             local_irq_restore(flags);

Really?

thanks,
-- 
js
suse labs