From 1796a81de4fbd3a93290de61e443ea4153ad28d4 Mon Sep 17 00:00:00 2001 From: Andreas Schultz Date: Thu, 26 Jan 2017 16:21:49 +0100 Subject: [PATCH] gtp: let userspace handle packets for invalid tunnels enable userspace to send error replies for invalid tunnels Acked-by: Harald Welte Signed-off-by: Andreas Schultz Signed-off-by: David S. Miller --- 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 e11a1ea..bda0c64 100644 --- a/drivers/net/gtp.c +++ b/drivers/net/gtp.c @@ -198,12 +198,12 @@ 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. */ @@ -247,12 +247,12 @@ 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. */ -- 2.7.4