linux-kernel - Re: [PATCHv2] fat: don't use custom hex_to

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Date:	Thu, 29 Sep 2011 17:54:00 +0300
From:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:	OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
Cc:	Andy Shevchenko <andy.shevchenko@...il.com>,
	linux-kernel@...r.kernel.org,
	Denys Vlasenko <vda.linux@...glemail.com>
Subject: Re: [PATCHv2] fat: don't use custom hex_to_bin()

On Thu, 2011-09-29 at 23:43 +0900, OGAWA Hirofumi wrote: 
> I guess you just did copy&paste. "u8 uc[2];" part should be before
> statement as C90.
> 
> I.e.
> 
> 				if (escape && (*ip == ':')) {
>                                 	u8 uc[2];
> 
> 					if (i > len - 5)
> 						return -EINVAL;
> 
> 					if (hex2bin(uc, ip + 1, 2) < 0)
> 						return -EINVAL;
> 					*(wchar_t *)op = uc[0] << 8 | uc[1];
Actually, why do not use 
*(wchar_t *)op++ = ... 
instead of additional op+=2?

> 
> 					op += 2;
> 					ip += 5;
> 					i += 5;
> 				} else {
> 
> This should be work?
Oh, my bad! So much minor mistakes last time. Really need vacation.


-- 
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Intel Finland Oy
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