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Re: [PATCH v2 3/2] lib/uuid.c: Silence an unchecked return value warning

From "George Spelvin" <linux@sciencehorizons.net>
Newsgroups linux.kernel
Subject Re: [PATCH v2 3/2] lib/uuid.c: Silence an unchecked return value warning
Date 2016-06-05 21:30 +0200
Message-ID <rGLUd-2qQ-1@gated-at.bofh.it> (permalink)
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From andriy.shevchenko@linux.intel.com Sun Jun 05 14:19:48 2016
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Subject: Re: [PATCH v2 3/2] lib/uuid.c: Silence an unchecked return value
 warning
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: George Spelvin <linux@sciencehorizons.net>
Cc: bjorn@mork.no, linux-kernel@vger.kernel.org, matt@codeblueprint.co.uk, 
	rv@rasmusvillemoes.dk
Date: Sun, 05 Jun 2016 17:21:04 +0300
In-Reply-To: <20160604131622.28377.qmail@ns.sciencehorizons.net>
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Andy Shevchenko worte:
> On Sat, 2016-06-04 at 09:16 -0400, George Spelvin wrote:
> Which I against of. Please, use normal hex_to_bin() calls here.
> 
> Compiler will inline it anyway, but at least will not do second check
> for nothing.

Um... huh?  Neither hex_to_bin() nor hex2bin() are inline functions.
They're declared as extern in <linux/kernel.h> and defined in
lib/hexdump.c.

One call is smaller than two calls, which is why I did that.

It's also faster, as hex_to_bin() *is* inlined within hex2bin()
(if you compile with -O).

Is your request based on a false premise?

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Thread

[PATCH v2 0/2] Clean up and shrink uuid input & output "George Spelvin" <linux@sciencehorizons.net> - 2016-06-04 07:20 +0200
  [PATCH v2 1/2] lib/vsprintf.c: Simplify uuid_string() "George Spelvin" <linux@sciencehorizons.net> - 2016-06-04 07:20 +0200
    Re: [PATCH v2 1/2] lib/vsprintf.c: Simplify uuid_string() Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-06-05 16:30 +0200
      Re: [PATCH v2 1/2] lib/vsprintf.c: Simplify uuid_string() "George Spelvin" <linux@sciencehorizons.net> - 2016-06-05 22:00 +0200
  [PATCH v2 2/2] lib/uuid.c: eliminate uuid_[bl]e_index arrays "George Spelvin" <linux@sciencehorizons.net> - 2016-06-04 07:20 +0200
    Re: [PATCH v2 2/2] lib/uuid.c: eliminate uuid_[bl]e_index arrays kbuild test robot <lkp@intel.com> - 2016-06-04 08:00 +0200
    Re: [PATCH v2 2/2] lib/uuid.c: eliminate uuid_[bl]e_index arrays Joe Perches <joe@perches.com> - 2016-06-04 18:30 +0200
      Re: [PATCH v2 2/2] lib/uuid.c: eliminate uuid_[bl]e_index arrays "George Spelvin" <linux@sciencehorizons.net> - 2016-06-05 00:00 +0200
      Re: [PATCH v2 2/2] lib/uuid.c: eliminate uuid_[bl]e_index arrays Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-06-05 16:20 +0200
        Re: [PATCH v2 2/2] lib/uuid.c: eliminate uuid_[bl]e_index arrays Joe Perches <joe@perches.com> - 2016-06-05 17:40 +0200
          Re: [PATCH v2 2/2] lib/uuid.c: eliminate uuid_[bl]e_index arrays Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-06-05 18:20 +0200
  [PATCH v2 3/2] lib/uuid.c: Silence an unchecked return value warning "George Spelvin" <linux@sciencehorizons.net> - 2016-06-04 15:20 +0200
    Re: [PATCH v2 3/2] lib/uuid.c: Silence an unchecked return value  warning Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-06-05 16:20 +0200
      Re: [PATCH v2 3/2] lib/uuid.c: Silence an unchecked return value warning "George Spelvin" <linux@sciencehorizons.net> - 2016-06-05 21:30 +0200
        Re: [PATCH v2 3/2] lib/uuid.c: Silence an unchecked return value  warning Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-06-06 10:30 +0200
          Re: [PATCH v2 3/2] lib/uuid.c: Silence an unchecked return value warning "George Spelvin" <linux@sciencehorizons.net> - 2016-06-07 18:50 +0200
            Re: [PATCH v2 3/2] lib/uuid.c: Silence an unchecked return value  warning Joe Perches <joe@perches.com> - 2016-06-07 19:20 +0200

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