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authorXiang Gao <qasdfgtyuiop@gmail.com>2017-09-20 12:18:17 -0400
committerDavid S. Miller <davem@davemloft.net>2017-09-20 13:45:18 -0700
commitd4e1b299ec2853dd3d90b71ae86fa2626e60dc25 (patch)
tree69c5ae532cdbbec055b57c4a2d6bc74238e8f8f3 /net
parent8ca712c373a462cfa1b62272870b6c2c74aa83f9 (diff)
ipv6: Use ipv6_authlen for len in ipv6_skip_exthdr
In ipv6_skip_exthdr, the lengh 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: Xiang Gao <qasdfgtyuiop@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/ipv6/exthdrs_core.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv6/exthdrs_core.c b/net/ipv6/exthdrs_core.c
index 305e2ed730bf..115d60919f72 100644
--- a/net/ipv6/exthdrs_core.c
+++ b/net/ipv6/exthdrs_core.c
@@ -99,7 +99,7 @@ int ipv6_skip_exthdr(const struct sk_buff *skb, int start, u8 *nexthdrp,
break;
hdrlen = 8;
} else if (nexthdr == NEXTHDR_AUTH)
- hdrlen = (hp->hdrlen+2)<<2;
+ hdrlen = ipv6_authlen(hp);
else
hdrlen = ipv6_optlen(hp);