audit: Use hex_byte_pack_upper

Using the generic kernel function causes the
object size to increase with gcc 4.8.1.

$ size kernel/audit.o*
   text	   data	    bss	    dec	    hex	filename
  18577	   6079	   8436	  33092	   8144	kernel/audit.o.new
  18579	   6015	   8420	  33014	   80f6	kernel/audit.o.old

Unsigned...

1 files changed, 2 insertions, 5 deletions

diff --git a/kernel/audit.c b/kernel/audit.c
index 9daf24361d53..b5e6fd81949a 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -1466,7 +1466,6 @@ void audit_log_n_hex(struct audit_buffer *ab, const unsigned char *buf,
         int i, avail, new_len;
         unsigned char *ptr;
         struct sk_buff *skb;
-        static const unsigned char *hex = "0123456789ABCDEF";
 
         if (!ab)
                 return;
@@ -1484,10 +1483,8 @@ void audit_log_n_hex(struct audit_buffer *ab, const unsigned char *buf,
         }
 
         ptr = skb_tail_pointer(skb);
-        for (i=0; i<len; i++) {
-                *ptr++ = hex[(buf[i] & 0xF0)>>4]; /* Upper nibble */
-                *ptr++ = hex[buf[i] & 0x0F];      /* Lower nibble */
-        }
+        for (i = 0; i < len; i++)
+                ptr = hex_byte_pack_upper(ptr, buf[i]);
         *ptr = 0;
         skb_put(skb, len << 1); /* new string is twice the old string */
 }