1 files changed, 3 insertions, 28 deletions

diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c
index e4198502fd98..275cac628a95 100644
--- a/net/ipv6/exthdrs.c
+++ b/net/ipv6/exthdrs.c
@@ -327,7 +327,6 @@ static int ipv6_srh_rcv(struct sk_buff *skb)
         struct ipv6_sr_hdr *hdr;
         struct inet6_dev *idev;
         struct in6_addr *addr;
-        bool cleanup = false;
         int accept_seg6;
 
         hdr = (struct ipv6_sr_hdr *)skb_transport_header(skb);
@@ -351,11 +350,7 @@ static int ipv6_srh_rcv(struct sk_buff *skb)
 #endif
 
 looped_back:
-        if (hdr->segments_left > 0) {
-                if (hdr->nexthdr != NEXTHDR_IPV6 && hdr->segments_left == 1 &&
-                    sr_has_cleanup(hdr))
-                        cleanup = true;
-        } else {
+        if (hdr->segments_left == 0) {
                 if (hdr->nexthdr == NEXTHDR_IPV6) {
                         int offset = (hdr->hdrlen + 1) << 3;
 
@@ -418,21 +413,6 @@ looped_back:
 
         ipv6_hdr(skb)->daddr = *addr;
 
-        if (cleanup) {
-                int srhlen = (hdr->hdrlen + 1) << 3;
-                int nh = hdr->nexthdr;
-
-                skb_pull_rcsum(skb, sizeof(struct ipv6hdr) + srhlen);
-                memmove(skb_network_header(skb) + srhlen,
-                        skb_network_header(skb),
-                        (unsigned char *)hdr - skb_network_header(skb));
-                skb->network_header += srhlen;
-                ipv6_hdr(skb)->nexthdr = nh;
-                ipv6_hdr(skb)->payload_len = htons(skb->len -
-                                                   sizeof(struct ipv6hdr));
-                skb_push_rcsum(skb, sizeof(struct ipv6hdr));
-        }
-
         skb_dst_drop(skb);
 
         ip6_route_input(skb);
@@ -453,13 +433,8 @@ looped_back:
                 }
                 ipv6_hdr(skb)->hop_limit--;
 
-                /* be sure that srh is still present before reinjecting */
-                if (!cleanup) {
-                        skb_pull(skb, sizeof(struct ipv6hdr));
-                        goto looped_back;
-                }
-                skb_set_transport_header(skb, sizeof(struct ipv6hdr));
-                IP6CB(skb)->nhoff = offsetof(struct ipv6hdr, nexthdr);
+                skb_pull(skb, sizeof(struct ipv6hdr));
+                goto looped_back;
         }
 
         dst_input(skb);