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Re: [PATCH] net: wireless: realtek: constify rate_control_ops structures

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On 12/02/2016 03:50 AM, Bhumika Goyal wrote:
> The structures rate_control_ops are only passed as an argument to the
> functions ieee80211_rate_control_{register/unregister}. This argument is
> of type const, so rate_control_ops having this property can also be
> declared as const.
> Done using Coccinelle:
>
> @r1 disable optional_qualifier @
> identifier i;
> position p;
> @@
> static struct rate_control_ops i@p = {...};
>
> @ok1@
> identifier r1.i;
> position p;
> @@
> ieee80211_rate_control_register(&i@p)
>
> @ok2@
> identifier r1.i;
> position p;
> @@
> ieee80211_rate_control_unregister(&i@p)
>
> @bad@
> position p!={r1.p,ok1.p,ok2.p};
> identifier r1.i;
> @@
> i@p
>
> @depends on !bad disable optional_qualifier@
> identifier r1.i;
> @@
> static
> +const
> struct rate_control_ops i={...};
>
> @depends on !bad disable optional_qualifier@
> identifier r1.i;
> @@
> +const
> struct rate_control_ops i;
>
> File size before:
>    text	   data	    bss	    dec	    hex	filename
>    1991	    104	      0	   2095	    82f wireless/realtek/rtlwifi/rc.o
>
> File size after:
>    text	   data	    bss	    dec	    hex	filename
>    2095	      0	      0	   2095	    wireless/realtek/rtlwifi/rc.o
>
> Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
> ---
>  drivers/net/wireless/realtek/rtlwifi/rc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/wireless/realtek/rtlwifi/rc.c b/drivers/net/wireless/realtek/rtlwifi/rc.c
> index ce8621a..107c13c 100644
> --- a/drivers/net/wireless/realtek/rtlwifi/rc.c
> +++ b/drivers/net/wireless/realtek/rtlwifi/rc.c
> @@ -284,7 +284,7 @@ static void rtl_rate_free_sta(void *rtlpriv,
>  	kfree(rate_priv);
>  }
>
> -static struct rate_control_ops rtl_rate_ops = {
> +static const struct rate_control_ops rtl_rate_ops = {
>  	.name = "rtl_rc",
>  	.alloc = rtl_rate_alloc,
>  	.free = rtl_rate_free,
>

The content of your patch is OK; however, your subject is not. By convention, 
"net: wireless: realtek:" is assumed. We do, however, include "rtlwifi:" to 
indicate which part of drivers/net/wireless/realtek/ is referenced.

NACK

Larry

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[PATCH] net: wireless: realtek: constify rate_control_ops structures Bhumika Goyal <bhumirks@gmail.com> - 2016-12-02 11:00 +0100
  Re: [PATCH] net: wireless: realtek: constify rate_control_ops  structures Larry Finger <Larry.Finger@lwfinger.net> - 2016-12-02 21:50 +0100
    Re: [PATCH] net: wireless: realtek: constify rate_control_ops structures Bhumika Goyal <bhumirks@gmail.com> - 2016-12-03 03:40 +0100
    Re: [PATCH] net: wireless: realtek: constify rate_control_ops structures Jes Sorensen <Jes.Sorensen@redhat.com> - 2016-12-07 06:10 +0100

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