Re: [PATCH 3/6] staging: rtl8723bs: fix indentation

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On 07/11/18 18:03, Joe Perches wrote:
On Wed, 2018-07-11 at 15:57 +0200, Michael Straube wrote:
On 07/08/18 19:36, Michael Straube wrote:
On 07/08/18 18:46, Joe Perches wrote:
On Sun, 2018-07-08 at 12:38 +0200, Michael Straube wrote:

uint rtw_is_cckratesonly_included(u8 *rate)
{
     while (*rate) {
         u8 r = *rate & 0x7f;

         if (r != 2 && r != 4 && r != 11 && r != 22)
             return false;
         rate++;
     }

     return true;
}


The patch has been added to staging-testing already.
I will send patches with your suggestions the next days.

Would it be preferred to declare the variable at the functions beginning,
or doesn't it matter regarding coding style?

Not really.

It's generally preferred to have declarations in the
nearest possible open brace to allow the compiler to
reduce the overall stack space consumed by the function.

For example prefer:

int some_function(int arg, void *pointer)
{
	if (arg == 1} {
		struct foo a = *(struct foo *)pointer;
		...
	} else if (arg == 2) {
		struct bar b = *(struct bar *)pointer;
		...
	}
}

over

int some_function(int arg, void *pointer)
{
	struct foo a;
	s
truct bar b;

	if (arg == 1} {
		a = *(struct foo *)pointer;
		...
	} else if (arg == 2) {
		b = *(struct bar *)pointer;
		...
	}
}

as a and b could use the same stack in the
first example but not the second.


Ok, thanks for explaining.
Michael
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