Eliminate the following coccinelle check warning:
net/ipv6/seg6.c:381:2-3
Reported-by: NZeal Robot <zealci@zte.com.cn>
Signed-off-by: NZhang Mingyu <zhang.mingyu@zte.com.cn>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>