Commit 380537b4 authored by Lin Zhang's avatar Lin Zhang Committed by David S. Miller
Browse files

net: ipv6: remove unused code in ipv6_find_hdr() 



Storing the left length of skb into 'len' actually has no effect
so we can remove it.

Signed-off-by: default avatarLin Zhang <xiaolou4617@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent d433b3f3

net/ipv6/exthdrs_core.c

+0 −3
Original line number Diff line number Diff line
@@ -187,7 +187,6 @@ int ipv6_find_hdr(const struct sk_buff *skb, unsigned int *offset, 
{

	unsigned int start = skb_network_offset(skb) + sizeof(struct ipv6hdr);

	u8 nexthdr = ipv6_hdr(skb)->nexthdr;

	unsigned int len;

	bool found;



	if (fragoff)
@@ -204,7 +203,6 @@ int ipv6_find_hdr(const struct sk_buff *skb, unsigned int *offset, 
		start = *offset + sizeof(struct ipv6hdr);

		nexthdr = ip6->nexthdr;

	}

	len = skb->len - start;



	do {

		struct ipv6_opt_hdr _hdr, *hp;
@@ -273,7 +271,6 @@ int ipv6_find_hdr(const struct sk_buff *skb, unsigned int *offset, 


		if (!found) {

			nexthdr = hp->nexthdr;

			len -= hdrlen;

			start += hdrlen;

		}

	} while (!found);