linux-kernel - Re: [PATCH] staging: greybus: Convert timers to use timer

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Date:   Tue, 24 Oct 2017 13:03:59 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Kees Cook <keescook@...omium.org>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        devel@...verdev.osuosl.org, Johan Hovold <johan@...nel.org>,
        linux-kernel@...r.kernel.org, greybus-dev@...ts.linaro.org
Subject: Re: [PATCH] staging: greybus: Convert timers to use timer_setup()

On Tue, Oct 24, 2017 at 01:25:50AM -0700, Kees Cook wrote:
> In preparation for unconditionally passing the struct timer_list pointer to
> all timer callbacks, switch to using the new timer_setup() and from_timer()
> to pass the timer pointer explicitly.
> 
> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> Cc: "Bryan O'Donoghue" <pure.logic@...us-software.ie>
> Cc: Johan Hovold <johan@...nel.org>
> Cc: Alex Elder <elder@...nel.org>
> Cc: greybus-dev@...ts.linaro.org
> Cc: devel@...verdev.osuosl.org
> Signed-off-by: Kees Cook <keescook@...omium.org>
> ---
>  drivers/staging/greybus/loopback.c  | 14 ++++----------
>  drivers/staging/greybus/operation.c |  7 +++----
>  2 files changed, 7 insertions(+), 14 deletions(-)
> 
> diff --git a/drivers/staging/greybus/loopback.c b/drivers/staging/greybus/loopback.c
> index 08e255884206..045aaf81113a 100644
> --- a/drivers/staging/greybus/loopback.c
> +++ b/drivers/staging/greybus/loopback.c
> @@ -572,16 +572,11 @@ static void gb_loopback_async_operation_work(struct work_struct *work)
>  	gb_loopback_async_operation_put(op_async);
>  }
>  
> -static void gb_loopback_async_operation_timeout(unsigned long data)
> +static void gb_loopback_async_operation_timeout(struct timer_list *t)
>  {
> -	struct gb_loopback_async_operation *op_async;
> -	u16 id = data;
> +	struct gb_loopback_async_operation *op_async =
> +		from_timer(op_async, t, timer);
>  

Since this one needs to be re-sent any way, could you do this instead of
breaking up the line?

	struct gb_loopback_async_operation *op_async;

	op_async = from_timer(op_async, t, timer);

regards,
dan carpenter