ipv6: Optimize ipv6_change_dsfield().
authorYOSHIFUJI Hideaki / 吉藤英明 <yoshfuji@linux-ipv6.org>
Tue, 8 Jan 2013 06:47:08 +0000 (06:47 +0000)
committerDavid S. Miller <davem@davemloft.net>
Thu, 10 Jan 2013 07:59:53 +0000 (23:59 -0800)
Do not convert endian back and forth.
If the caller uses contant "mask" argument (and most callers do),
we can omit runtime endian conversion here.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

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