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| author |   yangxingwu <xingwu.yang@gmail.com> | 2019-07-10 21:14:10 +0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2019-07-11 14:43:25 -0700 |
| commit | 416e8126a2672f6e91e9e81c6f5c07cf46808b13 (patch) | |
| tree | 022663d29eb3e3629f3004d2b02c72deb2e89209 /net/ipv6/exthdrs_core.c | |
| parent | hsr: switch ->dellink() to ->ndo_uninit() (diff) | |
| download | linux-dev-416e8126a2672f6e91e9e81c6f5c07cf46808b13.tar.xz linux-dev-416e8126a2672f6e91e9e81c6f5c07cf46808b13.zip | |
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>
Diffstat (limited to 'net/ipv6/exthdrs_core.c')
| -rw-r--r-- | net/ipv6/exthdrs_core.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv6/exthdrs_core.c b/net/ipv6/exthdrs_core.c index 11a43ee4dd45..b358f1a4dd08 100644 --- a/net/ipv6/exthdrs_core.c +++ b/net/ipv6/exthdrs_core.c @@ -266,7 +266,7 @@ int ipv6_find_hdr(const struct sk_buff *skb, unsigned int *offset, } else if (nexthdr == NEXTHDR_AUTH) { if (flags && (*flags & IP6_FH_F_AUTH) && (target < 0)) break; - hdrlen = (hp->hdrlen + 2) << 2; + hdrlen = ipv6_authlen(hp); } else hdrlen = ipv6_optlen(hp); |