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>

diff --git a/net/ipv6/seg6_local.c b/net/ipv6/seg6_local.c
index 7ff54db73a48abafd3c7026783798d6f3787abb0..825b8e01f94762c483f20e41218cdd26e83b4d50 100644 (file)
--- a/net/ipv6/seg6_local.c
+++ b/net/ipv6/seg6_local.c
@@ -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))