linux-kernel - Re: [PATCH 02/12] staging: rtl8188eu: return value and argument types changed in _rtl88e_write

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Date:	Sun, 8 Nov 2015 18:26:19 +0700
From:	Ivan Safonov <insafonov@...il.com>
To:	Andy Shevchenko <andy.shevchenko@...il.com>
Cc:	devel@...verdev.osuosl.org,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Vaishali Thakkar <vthakkar1994@...il.com>,
	Jakub Sitnicki <jsitnicki@...il.com>,
	Anish Bhatt <anish@...ech.edu>, Joe Perches <joe@...ches.com>,
	Nicholas Mc Guire <der.herr@...r.at>,
	Alexey Khoroshilov <khoroshilov@...ras.ru>,
	Rémy Oudompheng <remyoudompheng@...il.com>,
	Sudip Mukherjee <sudipm.mukherjee@...il.com>,
	Shraddha Barke <shraddha.6596@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 02/12] staging: rtl8188eu: return value and argument types
 changed in _rtl88e_write_fw function

On 11/08/2015 05:11 PM, Andy Shevchenko wrote:
> On Sun, Nov 8, 2015 at 8:37 AM, Ivan Safonov <insafonov@...il.com> wrote:
>> Ideally the function should not change the variables outside of its body.
>>
>> Signed-off-by: Ivan Safonov <insafonov@...il.com>
>> ---
>>   drivers/staging/rtl8188eu/hal/fw.c | 8 ++++----
>>   1 file changed, 4 insertions(+), 4 deletions(-)
>>
>> diff --git a/drivers/staging/rtl8188eu/hal/fw.c b/drivers/staging/rtl8188eu/hal/fw.c
>> index 4d72537..5b569ef 100644
>> --- a/drivers/staging/rtl8188eu/hal/fw.c
>> +++ b/drivers/staging/rtl8188eu/hal/fw.c
>> @@ -75,14 +75,14 @@ static void _rtl88e_fw_block_write(struct adapter *adapt,
>>                  usb_write8(adapt, write_address, byte_buffer[i]);
>>   }
>>
>> -static void _rtl88e_fill_dummy(u8 *pfwbuf, u32 *pfwlen)
>> +static u32 _rtl88e_fill_dummy(u8 *pfwbuf, u32 pfwlen)
>>   {
>>          u32 i;
>>
>> -       for (i = *pfwlen; i < roundup(*pfwlen, 4); i++)
>> +       for (i = pfwlen; i < roundup(pfwlen, 4); i++)
>>                  pfwbuf[i] = 0;
> memset() ?
>
>> -       *pfwlen = i;
>> +       return i;
>>   }
>>
>>   static void _rtl88e_fw_page_write(struct adapter *adapt,
>> @@ -103,7 +103,7 @@ static void _rtl88e_write_fw(struct adapter *adapt, u8 *buffer, u32 size)
>>          u32 page_no, remain;
>>          u32 page, offset;
>>
>> -       _rtl88e_fill_dummy(buf_ptr, &size);
>> +       size = _rtl88e_fill_dummy(buf_ptr, size);
>>
>>          page_no = size / FW_8192C_PAGE_SIZE;
>>          remain = size % FW_8192C_PAGE_SIZE;
>> --
>> 2.4.10
>>
>> --
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memset applied in another patch. Here only replacement of the function type.
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