Re: [PATCH] input: edt-ft5x06: fixed a macro coding style issue

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On 12/09/2014 08:44 AM, Joe Perches wrote:
> On Tue, 2014-12-09 at 08:34 +0200, Asaf Vertz wrote:
>> Fixed a coding style error, macros with complex values should be
>> enclosed in parentheses.
>>  
>> -#define EDT_ATTR_CHECKSET(name, reg) \
>> +#define EDT_ATTR_CHECKSET(name, reg) { \
>>  	if (pdata->name >= edt_ft5x06_attr_##name.limit_low &&		\
>>  	    pdata->name <= edt_ft5x06_attr_##name.limit_high)		\
>> -		edt_ft5x06_register_write(tsdata, reg, pdata->name)
>> +		edt_ft5x06_register_write(tsdata, reg, pdata->name);	\
>> +}
> 
> Any time you see a naked if (foo) bar in a macro
> prefer to use a do while (0) like;
> 
> #define EDT_ATTR_CHECKSET(name, reg)					\
> do {									\
> 	if (pdata->name >= edt_ft5x06_attr_##name.limit_low &&		\
> 	    pdata->name <= edt_ft5x06_attr_##name.limit_high)		\
> 		edt_ft5x06_register_write(tsdata, reg, pdata->name);	\
> while (0)
> 

thanks for the input, I will update and resend it

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