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

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Larry Finger <Larry.Finger@xxxxxxxxxxxx> writes:
> 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
>>
[snip]
> 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.

In addition, the first part of the description is useful and the file
size information is reasonable too, but ~20 lines of coccinelle scripts
in the commit message is rather pointless.

Jes



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