ipv6: sr: remove duplicate routing header type check

As seg6_validate_srh() already checks that the Routing Header type is
correct, it is not necessary to do it again in get_srh().

Fixes: 5829d70b ("ipv6: sr: fix get_srh() to comply with IPv6 standard "RFC 8200")
Signed-off-by: David Lebrun <dlebrun@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David Lebrun 2017-09-10 14:22:01 +01:00 committed by David S. Miller
parent 96c5508e30
commit 33e34e735f

View File

@ -72,10 +72,6 @@ static struct ipv6_sr_hdr *get_srh(struct sk_buff *skb)
srh = (struct ipv6_sr_hdr *)(skb->data + srhoff);
/* make sure it's a Segment Routing header (Routing Type 4) */
if (srh->type != IPV6_SRCRT_TYPE_4)
return NULL;
len = (srh->hdrlen + 1) << 3;
if (!pskb_may_pull(skb, srhoff + len))