Re: [PATCH 3/3] staging: wilc1000: return error code direclty in host_int_wait_msg_queue_idle

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Hi Chaehyun,

On Mon, Oct 5, 2015 at 1:07 PM, Chaehyun Lim <chaehyun.lim@xxxxxxxxx> wrote:
> There is no need to pass the error code to the variable 'result'.
> Just return the error directly when error occurs.
> Return 0 at the end of this function when error is not happened.

We can't do this.

> Suggested-by: Julian Calaby <julian.calaby@xxxxxxxxx>
> Signed-off-by: Chaehyun Lim <chaehyun.lim@xxxxxxxxx>
> ---
>  drivers/staging/wilc1000/host_interface.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/staging/wilc1000/host_interface.c b/drivers/staging/wilc1000/host_interface.c
> index b1aa7dd..427fbaa 100644
> --- a/drivers/staging/wilc1000/host_interface.c
> +++ b/drivers/staging/wilc1000/host_interface.c
> @@ -5343,7 +5343,7 @@ int host_int_set_mac_chnl_num(tstrWILC_WFIDrv *wfi_drv, u8 channel)
>
>  int host_int_wait_msg_queue_idle(void)
>  {
> -       int result = 0;
> +       int result;
>
>         struct host_if_msg msg;
>
> @@ -5354,13 +5354,13 @@ int host_int_wait_msg_queue_idle(void)
>         result = wilc_mq_send(&gMsgQHostIF, &msg, sizeof(struct host_if_msg));
>         if (result) {
>                 PRINT_ER("wilc mq send fail\n");
> -               result = -EINVAL;
> +               return -EINVAL;

Returning here means that we don't call down:

>         }
>
>         /* wait untill MSG Q is empty */
>         down(&hWaitResponse);

here.

Sorry for the confusion.

Thanks,

-- 
Julian Calaby

Email: julian.calaby@xxxxxxxxx
Profile: http://www.google.com/profiles/julian.calaby/
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