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

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Date:	Tue,  5 Apr 2016 16:56:11 +0300
From:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:	Dmitry Kasatkin <dmitry.kasatkin@...il.com>,
	Mimi Zohar <zohar@...ux.vnet.ibm.com>,
	linux-kernel@...r.kernel.org, linux-api@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Rasmus Villemoes <linux@...musvillemoes.dk>,
	linux-efi@...r.kernel.org, Matt Fleming <matt@...eblueprint.co.uk>,
	Arnd Bergmann <arnd@...db.de>, Theodore Ts'o <tytso@....edu>
Cc:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: [PATCH v3 02/10] ima: use %pU to output UUID in printable format

Instead of open coded variant re-use extension what vsprintf.c provides us for
ages.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 security/integrity/ima/ima_policy.c | 14 ++------------
 1 file changed, 2 insertions(+), 12 deletions(-)

diff --git a/security/integrity/ima/ima_policy.c b/security/integrity/ima/ima_policy.c
index be09e2c..4b0c262 100644
--- a/security/integrity/ima/ima_policy.c
+++ b/security/integrity/ima/ima_policy.c
@@ -972,7 +972,7 @@ static void policy_func_show(struct seq_file *m, enum ima_hooks func)
 int ima_policy_show(struct seq_file *m, void *v)
 {
 	struct ima_rule_entry *entry = v;
-	int i = 0;
+	int i;
 	char tbuf[64] = {0,};
 
 	rcu_read_lock();
@@ -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, " ");
 	}
 
-- 
2.8.0.rc3