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path: root/net/key/af_key.c
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Diffstat (limited to 'net/key/af_key.c')
-rw-r--r--net/key/af_key.c38
1 files changed, 33 insertions, 5 deletions
diff --git a/net/key/af_key.c b/net/key/af_key.c
index b7f5a1c353e..7ae641df70b 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -58,6 +58,7 @@ struct pfkey_sock {
struct xfrm_policy_walk policy;
struct xfrm_state_walk state;
} u;
+ struct sk_buff *skb;
} dump;
};
@@ -76,6 +77,10 @@ static int pfkey_can_dump(struct sock *sk)
static void pfkey_terminate_dump(struct pfkey_sock *pfk)
{
if (pfk->dump.dump) {
+ if (pfk->dump.skb) {
+ kfree_skb(pfk->dump.skb);
+ pfk->dump.skb = NULL;
+ }
pfk->dump.done(pfk);
pfk->dump.dump = NULL;
pfk->dump.done = NULL;
@@ -308,12 +313,25 @@ static int pfkey_broadcast(struct sk_buff *skb, gfp_t allocation,
static int pfkey_do_dump(struct pfkey_sock *pfk)
{
+ struct sadb_msg *hdr;
int rc;
rc = pfk->dump.dump(pfk);
if (rc == -ENOBUFS)
return 0;
+ if (pfk->dump.skb) {
+ if (!pfkey_can_dump(&pfk->sk))
+ return 0;
+
+ hdr = (struct sadb_msg *) pfk->dump.skb->data;
+ hdr->sadb_msg_seq = 0;
+ hdr->sadb_msg_errno = rc;
+ pfkey_broadcast(pfk->dump.skb, GFP_ATOMIC, BROADCAST_ONE,
+ &pfk->sk);
+ pfk->dump.skb = NULL;
+ }
+
pfkey_terminate_dump(pfk);
return rc;
}
@@ -1744,9 +1762,14 @@ static int dump_sa(struct xfrm_state *x, int count, void *ptr)
out_hdr->sadb_msg_satype = pfkey_proto2satype(x->id.proto);
out_hdr->sadb_msg_errno = 0;
out_hdr->sadb_msg_reserved = 0;
- out_hdr->sadb_msg_seq = count;
+ out_hdr->sadb_msg_seq = count + 1;
out_hdr->sadb_msg_pid = pfk->dump.msg_pid;
- pfkey_broadcast(out_skb, GFP_ATOMIC, BROADCAST_ONE, &pfk->sk);
+
+ if (pfk->dump.skb)
+ pfkey_broadcast(pfk->dump.skb, GFP_ATOMIC, BROADCAST_ONE,
+ &pfk->sk);
+ pfk->dump.skb = out_skb;
+
return 0;
}
@@ -2245,7 +2268,7 @@ static int pfkey_spdadd(struct sock *sk, struct sk_buff *skb, struct sadb_msg *h
return 0;
out:
- xp->dead = 1;
+ xp->walk.dead = 1;
xfrm_policy_destroy(xp);
return err;
}
@@ -2583,9 +2606,14 @@ static int dump_sp(struct xfrm_policy *xp, int dir, int count, void *ptr)
out_hdr->sadb_msg_type = SADB_X_SPDDUMP;
out_hdr->sadb_msg_satype = SADB_SATYPE_UNSPEC;
out_hdr->sadb_msg_errno = 0;
- out_hdr->sadb_msg_seq = count;
+ out_hdr->sadb_msg_seq = count + 1;
out_hdr->sadb_msg_pid = pfk->dump.msg_pid;
- pfkey_broadcast(out_skb, GFP_ATOMIC, BROADCAST_ONE, &pfk->sk);
+
+ if (pfk->dump.skb)
+ pfkey_broadcast(pfk->dump.skb, GFP_ATOMIC, BROADCAST_ONE,
+ &pfk->sk);
+ pfk->dump.skb = out_skb;
+
return 0;
}