tree 022663d29eb3e3629f3004d2b02c72deb2e89209
parent 311633b604063a8a5d3fbc74d0565b42df721f68
author yangxingwu <xingwu.yang@gmail.com> 1562764450 +0800
committer David S. Miller <davem@davemloft.net> 1562881405 -0700

ipv6: Use ipv6_authlen for len

The length of AH header is computed manually as (hp->hdrlen+2)<<2.
However, in include/linux/ipv6.h, a macro named ipv6_authlen is
already defined for exactly the same job. This commit replaces
the manual computation code with the macro.

Signed-off-by: yangxingwu <xingwu.yang@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>