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

[Joe Perches]

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);