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path: root/net/ipv6/ipcomp6.c
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Diffstat (limited to 'net/ipv6/ipcomp6.c')
-rw-r--r--net/ipv6/ipcomp6.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/net/ipv6/ipcomp6.c b/net/ipv6/ipcomp6.c
index 28fc8edfdc3..80ef2a1d39f 100644
--- a/net/ipv6/ipcomp6.c
+++ b/net/ipv6/ipcomp6.c
@@ -411,8 +411,15 @@ static int ipcomp6_init_state(struct xfrm_state *x)
goto out;
x->props.header_len = 0;
- if (x->props.mode == XFRM_MODE_TUNNEL)
+ switch (x->props.mode) {
+ case XFRM_MODE_BEET:
+ case XFRM_MODE_TRANSPORT:
+ break;
+ case XFRM_MODE_TUNNEL:
x->props.header_len += sizeof(struct ipv6hdr);
+ default:
+ goto error;
+ }
mutex_lock(&ipcomp6_resource_mutex);
if (!ipcomp6_alloc_scratches())