Re: [PATCH 11/16] trivial: use ARRAY_SIZE

[walter harms <wharms@xxxxxx>]

Simon Horman schrieb:
> On Mon, Jun 28, 2010 at 03:22:49PM +0200, walter harms wrote:
>>
>> walter harms schrieb:
>>> Kulikov Vasiliy schrieb:
>>>> Change sizeof(x) / sizeof(*x) to ARRAY_SIZE(x).
>>>>
>>>> Signed-off-by: Kulikov Vasiliy <segooon@xxxxxxxxx>
>>>> ---
>>>>  drivers/staging/otus/hal/hpreg.c |   17 +++++++----------
>>>>  1 files changed, 7 insertions(+), 10 deletions(-)
>>>>
>>>> diff --git a/drivers/staging/otus/hal/hpreg.c b/drivers/staging/otus/hal/hpreg.c
>>>> index da3b774..9b04653 100644
>>>> --- a/drivers/staging/otus/hal/hpreg.c
>>>> +++ b/drivers/staging/otus/hal/hpreg.c
>>>> @@ -29,9 +29,6 @@
>>>>  #include "hpreg.h"
>>>>  #include "hpusb.h"
>>>>  
>>>> -/* used throughout this file... */
>>>> -#define	N(a)	(sizeof(a) / sizeof(a[0]))
>>>> -
>>>>  #define HAL_MODE_11A_TURBO	HAL_MODE_108A
>>>>  #define HAL_MODE_11G_TURBO	HAL_MODE_108G
>>>>  
>>>> @@ -1557,7 +1554,7 @@ u8_t GetWmRD(u16_t regionCode, u16_t channelFlag, REG_DOMAIN *rd)
>>>>  	u64_t flags = NO_REQ;
>>>>  	REG_DMN_PAIR_MAPPING *regPair = NULL;
>>>>  
>>>> -	for (i = 0, found = 0; (i < N(regDomainPairs)) && (!found); i++) {
>>>> +	for (i = 0, found = 0; (i < ARRAY_SIZE(regDomainPairs)) && (!found); i++) {
>>>>  		if (regDomainPairs[i].regDmnEnum == regionCode) {
>>>>  			regPair = &regDomainPairs[i];
>>>>  			found = 1;
>>>
>>>
>>> This looks odd, i do not see the rest of the code but perhaps a break would help
>>> to eleminate the "found" ??
>>>
>>> just my two cents,
>>>  wh
>>>
>> 1554 u8_t GetWmRD(u16_t regionCode, u16_t channelFlag, REG_DOMAIN *rd)
>> 1555 {
>> 1556         s16_t i, found, regDmn;
>> 1557         u64_t flags=NO_REQ;
>> 1558         REG_DMN_PAIR_MAPPING *regPair=NULL;
>> 1559
>> 1560         for (i=0, found=0; (i<N(regDomainPairs))&&(!found); i++)
>> 1561         {
>> 1562                 if (regDomainPairs[i].regDmnEnum == regionCode)
>> 1563                 {
>> 1564                         regPair = &regDomainPairs[i];
>> 1565                         found = 1;
>> 1566                 }
>> 1567         }
>> 1568         if (!found)
>> 1569         {
>> 1570                 zm_debug_msg1("Failed to find reg domain pair ", regionCode);
>> 1571                 return FALSE;
>> 1572         }
>>
>>
>> This is would stop at the first hit and work without found.
>> Otherwise someone could add an {NULL} at the end of the array
>> und use a while () that would eliminate the need for ARRAY_SIZE also.
> 
> Either of those suggestions sounds fine to me, but it sounds
> like it should be in a separate patch.
> 
>> re,
>>  wh
>>
>> for (i=0; i<ARRAY_SIZE(regDomainPairs);i++ )
>> 	if (regDomainPairs[i].regDmnEnum == regionCode)
>>                     { regPair = &regDomainPairs[i]; break ; }
>>
>> if (!regPair) {
>>         zm_debug_msg1("Failed to find reg domain pair ", regionCode);
>>         return FALSE;
>> }
>>
>>

Hi Kulikov Vasiliy,
can you make that patch also, i have simply no time (and no actual kernel)
feel free to choose a methode you like.

re,
 wh
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