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authorLin Zhang <xiaolou4617@gmail.com>2017-10-06 02:07:08 +0800
committerDavid S. Miller <davem@davemloft.net>2017-10-05 21:53:02 -0700
commit380537b4f7f2e706e499695b38eabc90a5f72fa8 (patch)
treeef54b2785411d2e5072b4a4898888a4bf7d8caba
parentMerge branch 'libbpf-support-more-map-options' (diff)
downloadlinux-dev-380537b4f7f2e706e499695b38eabc90a5f72fa8.tar.xz
linux-dev-380537b4f7f2e706e499695b38eabc90a5f72fa8.zip
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: Lin Zhang <xiaolou4617@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
-rw-r--r--net/ipv6/exthdrs_core.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/net/ipv6/exthdrs_core.c b/net/ipv6/exthdrs_core.c
index 115d60919f72..11025f8d124b 100644
--- a/net/ipv6/exthdrs_core.c
+++ b/net/ipv6/exthdrs_core.c
@@ -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);