Commit d4e1b299 authored Sep 20, 2017 by Xiang Gao Committed by David S. Miller Sep 20, 2017

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>

parent 8ca712c3

net/ipv6/exthdrs_core.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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);

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