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authorSabrina Dubroca <sd@queasysnail.net>2022-09-27 18:45:32 +0300
committerSteffen Klassert <steffen.klassert@secunet.com>2022-09-29 08:18:00 +0300
commit25ec92cd042ace0c109c3f6e5e6b634073414cc0 (patch)
treed03a2b5bc48a501fbfe89bdba109114ed933cda6 /net/ipv6
parent67c44f93c951937b80735ada68f2de25885d1834 (diff)
downloadlinux-25ec92cd042ace0c109c3f6e5e6b634073414cc0.tar.xz
xfrm: tunnel: add extack to ipip_init_state, xfrm6_tunnel_init_state
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/xfrm6_tunnel.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/net/ipv6/xfrm6_tunnel.c b/net/ipv6/xfrm6_tunnel.c
index dda44b0671ac..1323f2f6928e 100644
--- a/net/ipv6/xfrm6_tunnel.c
+++ b/net/ipv6/xfrm6_tunnel.c
@@ -272,11 +272,15 @@ static int xfrm6_tunnel_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
static int xfrm6_tunnel_init_state(struct xfrm_state *x, struct netlink_ext_ack *extack)
{
- if (x->props.mode != XFRM_MODE_TUNNEL)
+ if (x->props.mode != XFRM_MODE_TUNNEL) {
+ NL_SET_ERR_MSG(extack, "IPv6 tunnel can only be used with tunnel mode");
return -EINVAL;
+ }
- if (x->encap)
+ if (x->encap) {
+ NL_SET_ERR_MSG(extack, "IPv6 tunnel is not compatible with encapsulation");
return -EINVAL;
+ }
x->props.header_len = sizeof(struct ipv6hdr);