mirror of https://gitee.com/openkylin/linux.git
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...
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@ -1466,7 +1466,6 @@ void audit_log_n_hex(struct audit_buffer *ab, const unsigned char *buf,
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int i, avail, new_len;
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unsigned char *ptr;
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struct sk_buff *skb;
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static const unsigned char *hex = "0123456789ABCDEF";
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if (!ab)
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return;
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@ -1484,10 +1483,8 @@ void audit_log_n_hex(struct audit_buffer *ab, const unsigned char *buf,
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}
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ptr = skb_tail_pointer(skb);
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for (i=0; i<len; i++) {
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*ptr++ = hex[(buf[i] & 0xF0)>>4]; /* Upper nibble */
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*ptr++ = hex[buf[i] & 0x0F]; /* Lower nibble */
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}
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for (i = 0; i < len; i++)
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ptr = hex_byte_pack_upper(ptr, buf[i]);
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*ptr = 0;
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skb_put(skb, len << 1); /* new string is twice the old string */
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}
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