diff options
Diffstat (limited to 'net/ipv4/ipcomp.c')
| -rw-r--r-- | net/ipv4/ipcomp.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/net/ipv4/ipcomp.c b/net/ipv4/ipcomp.c index 59bfa3825810..9a45aed508d1 100644 --- a/net/ipv4/ipcomp.c +++ b/net/ipv4/ipcomp.c @@ -31,6 +31,7 @@ static int ipcomp4_err(struct sk_buff *skb, u32 info) case ICMP_DEST_UNREACH: if (icmp_hdr(skb)->code != ICMP_FRAG_NEEDED) return 0; + break; case ICMP_REDIRECT: break; default: @@ -53,6 +54,7 @@ static int ipcomp4_err(struct sk_buff *skb, u32 info) } /* We always hold one tunnel user reference to indicate a tunnel */ +static struct lock_class_key xfrm_state_lock_key; static struct xfrm_state *ipcomp_tunnel_create(struct xfrm_state *x) { struct net *net = xs_net(x); @@ -61,6 +63,7 @@ static struct xfrm_state *ipcomp_tunnel_create(struct xfrm_state *x) t = xfrm_state_alloc(net); if (!t) goto out; + lockdep_set_class(&t->lock, &xfrm_state_lock_key); t->id.proto = IPPROTO_IPIP; t->id.spi = x->props.saddr.a4; @@ -72,6 +75,7 @@ static struct xfrm_state *ipcomp_tunnel_create(struct xfrm_state *x) t->props.flags = x->props.flags; t->props.extra_flags = x->props.extra_flags; memcpy(&t->mark, &x->mark, sizeof(t->mark)); + t->if_id = x->if_id; if (xfrm_init_state(t)) goto error; @@ -115,7 +119,8 @@ out: return err; } -static int ipcomp4_init_state(struct xfrm_state *x) +static int ipcomp4_init_state(struct xfrm_state *x, + struct netlink_ext_ack *extack) { int err = -EINVAL; @@ -127,17 +132,20 @@ static int ipcomp4_init_state(struct xfrm_state *x) x->props.header_len += sizeof(struct iphdr); break; default: + NL_SET_ERR_MSG(extack, "Unsupported XFRM mode for IPcomp"); goto out; } - err = ipcomp_init_state(x); + err = ipcomp_init_state(x, extack); if (err) goto out; if (x->props.mode == XFRM_MODE_TUNNEL) { err = ipcomp_tunnel_attach(x); - if (err) + if (err) { + NL_SET_ERR_MSG(extack, "Kernel error: failed to initialize the associated state"); goto out; + } } err = 0; @@ -151,7 +159,6 @@ static int ipcomp4_rcv_cb(struct sk_buff *skb, int err) } static const struct xfrm_type ipcomp_type = { - .description = "IPCOMP4", .owner = THIS_MODULE, .proto = IPPROTO_COMP, .init_state = ipcomp4_init_state, |