[PATCH net-next v2 2/2] gtp: let userspace handle packets for invalid tunnels

[Andreas Schultz]

enable userspace to send error replies for invalid tunnels

Acked-by: Harald Welte <lafo...@netfilter.org>
Signed-off-by: Andreas Schultz <aschu...@tpip.net>
---
 drivers/net/gtp.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/net/gtp.c b/drivers/net/gtp.c
index 5c63a37..5dd7de6 100644
--- a/drivers/net/gtp.c
+++ b/drivers/net/gtp.c
@@ -199,12 +199,12 @@ static int gtp0_udp_encap_recv(struct gtp_dev *gtp, 
struct sk_buff *skb,
        pctx = gtp0_pdp_find(gtp, be64_to_cpu(gtp0->tid));
        if (!pctx) {
                netdev_dbg(gtp->dev, "No PDP ctx to decap skb=%p\n", skb);
-               return -1;
+               return 1;
        }
 
        if (!gtp_check_src_ms(skb, pctx, hdrlen)) {
                netdev_dbg(gtp->dev, "No PDP ctx for this MS\n");
-               return -1;
+               return 1;
        }
 
        /* Get rid of the GTP + UDP headers. */
@@ -248,12 +248,12 @@ static int gtp1u_udp_encap_recv(struct gtp_dev *gtp, 
struct sk_buff *skb,
        pctx = gtp1_pdp_find(gtp, ntohl(gtp1->tid));
        if (!pctx) {
                netdev_dbg(gtp->dev, "No PDP ctx to decap skb=%p\n", skb);
-               return -1;
+               return 1;
        }
 
        if (!gtp_check_src_ms(skb, pctx, hdrlen)) {
                netdev_dbg(gtp->dev, "No PDP ctx for this MS\n");
-               return -1;
+               return 1;
        }
 
        /* Get rid of the GTP + UDP headers. */
-- 
2.10.2