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author | Lin Zhang <xiaolou4617@gmail.com> | 2017-10-06 02:07:08 +0800 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2017-10-05 21:53:02 -0700 |
commit | 380537b4f7f2e706e499695b38eabc90a5f72fa8 (patch) | |
tree | ef54b2785411d2e5072b4a4898888a4bf7d8caba /net | |
parent | d433b3f3e899b411ee3a9c07f07c45f84a2f450e (diff) | |
download | op-kernel-dev-380537b4f7f2e706e499695b38eabc90a5f72fa8.zip op-kernel-dev-380537b4f7f2e706e499695b38eabc90a5f72fa8.tar.gz |
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 'net')
-rw-r--r-- | net/ipv6/exthdrs_core.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/net/ipv6/exthdrs_core.c b/net/ipv6/exthdrs_core.c index 115d609..11025f8 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); |