linux-kernel - [PATCH 9/8] efi.h: Use %pUl to print UUIDs

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Message-Id: <1254895916.2134.328.camel@Joe-Laptop.home>
Date:	Tue, 06 Oct 2009 23:11:56 -0700
From:	Joe Perches <joe@...ches.com>
To:	linux-kernel@...r.kernel.org
Cc:	Andrew Morton <akpm@...ux-foundation.org>
Subject: [PATCH 9/8] efi.h: Use %pUl to print UUIDs

Shrinks vmlinux

without:
$ size vmlinux
   text    data     bss     dec     hex filename
6975863  679652 1359668 9015183  898f8f vmlinux

with:
$ size vmlinux
   text    data     bss     dec     hex filename
6975639 679652 1359668 9014959 898eaf vmlinux

Signed-off-by: Joe Perches <joe@...ches.com>

diff --git a/include/linux/efi.h b/include/linux/efi.h
index ce4581f..fb737bc 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -280,11 +280,7 @@ efi_guidcmp (efi_guid_t left, efi_guid_t right)
 static inline char *
 efi_guid_unparse(efi_guid_t *guid, char *out)
 {
-	sprintf(out, "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x",
-		guid->b[3], guid->b[2], guid->b[1], guid->b[0],
-		guid->b[5], guid->b[4], guid->b[7], guid->b[6],
-		guid->b[8], guid->b[9], guid->b[10], guid->b[11],
-		guid->b[12], guid->b[13], guid->b[14], guid->b[15]);
+	sprintf(out, "%pUl", guid->b);
         return out;
 }
 



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