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Re: [PATCH v3 02/10] ima: use %pU to output UUID in printable format

From Joe Perches <joe@perches.com>
Newsgroups linux.kernel
Subject Re: [PATCH v3 02/10] ima: use %pU to output UUID in printable format
Date 2016-04-06 01:20 +0200
Message-ID <rkIqm-33z-5@gated-at.bofh.it> (permalink)
References <rkzGq-4wA-9@gated-at.bofh.it> <rkzGs-4wA-41@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Tue, 2016-04-05 at 16:56 +0300, Andy Shevchenko wrote:
> Instead of open coded variant re-use extension what vsprintf.c provides us for
> ages.

trivia:

> diff --git a/security/integrity/ima/ima_policy.c b/security/integrity/ima/ima_policy.c
[]
> @@ -1012,17 +1012,7 @@ int ima_policy_show(struct seq_file *m, void *v)
>  	}
>  
>  	if (entry->flags & IMA_FSUUID) {
> -		seq_puts(m, "fsuuid=");
> -		for (i = 0; i < ARRAY_SIZE(entry->fsuuid); ++i) {
> -			switch (i) {
> -			case 4:
> -			case 6:
> -			case 8:
> -			case 10:
> -				seq_puts(m, "-");
> -			}
> -			seq_printf(m, "%x", entry->fsuuid[i]);
> -		}
> +		seq_printf(m, "fsuuid=%pU", entry->fsuuid);
>  		seq_puts(m, " ");
>  	}

Maybe combine the printf and puts

		seq_printf(m, "fsuuid=%pU ", entry->fsuuid);

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Thread

[PATCH v3 00/10] uuid: convert users to generic UUID API Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-04-05 16:00 +0200
  [PATCH v3 03/10] lib/uuid: move generate_random_uuid() to uuid.c Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-04-05 16:00 +0200
  [PATCH v3 06/10] sysctl: drop away useless label Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-04-05 16:00 +0200
    Re: [PATCH v3 06/10] sysctl: drop away useless label Andrew Morton <akpm@linux-foundation.org> - 2016-04-06 00:20 +0200
      Re: [PATCH v3 06/10] sysctl: drop away useless label Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-04-06 13:40 +0200
  [PATCH v3 08/10] efi: redefine type, constant, macro from generic code Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-04-05 16:00 +0200
  [PATCH v3 02/10] ima: use %pU to output UUID in printable format Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-04-05 16:00 +0200
    Re: [PATCH v3 02/10] ima: use %pU to output UUID in printable format Joe Perches <joe@perches.com> - 2016-04-06 01:20 +0200
      Re: [PATCH v3 02/10] ima: use %pU to output UUID in printable format Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-04-06 13:10 +0200
  [PATCH v3 09/10] efivars: use generic UUID library Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-04-05 16:00 +0200
  [PATCH v3 07/10] sysctl: use generic UUID library Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-04-05 16:00 +0200
  [PATCH v3 04/10] lib/uuid: introduce few more generic helpers for UUID Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-04-05 16:00 +0200
    Re: [PATCH v3 04/10] lib/uuid: introduce few more generic helpers  for UUID Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-04-05 16:20 +0200

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