diff options
Diffstat (limited to 'net/xfrm/xfrm_ipcomp.c')
| -rw-r--r-- | net/xfrm/xfrm_ipcomp.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/net/xfrm/xfrm_ipcomp.c b/net/xfrm/xfrm_ipcomp.c index cb40ff0ff28d..656045a87606 100644 --- a/net/xfrm/xfrm_ipcomp.c +++ b/net/xfrm/xfrm_ipcomp.c @@ -325,18 +325,22 @@ void ipcomp_destroy(struct xfrm_state *x) } EXPORT_SYMBOL_GPL(ipcomp_destroy); -int ipcomp_init_state(struct xfrm_state *x) +int ipcomp_init_state(struct xfrm_state *x, struct netlink_ext_ack *extack) { int err; struct ipcomp_data *ipcd; struct xfrm_algo_desc *calg_desc; err = -EINVAL; - if (!x->calg) + if (!x->calg) { + NL_SET_ERR_MSG(extack, "Missing required compression algorithm"); goto out; + } - if (x->encap) + if (x->encap) { + NL_SET_ERR_MSG(extack, "IPComp is not compatible with encapsulation"); goto out; + } err = -ENOMEM; ipcd = kzalloc(sizeof(*ipcd), GFP_KERNEL); |