summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--net/netfilter/nft_ct.c25
1 files changed, 22 insertions, 3 deletions
diff --git a/net/netfilter/nft_ct.c b/net/netfilter/nft_ct.c
index d526e69a2a2b..a418eb3d612b 100644
--- a/net/netfilter/nft_ct.c
+++ b/net/netfilter/nft_ct.c
@@ -379,6 +379,14 @@ static bool nft_ct_tmpl_alloc_pcpu(void)
}
#endif
+static void __nft_ct_get_destroy(const struct nft_ctx *ctx, struct nft_ct *priv)
+{
+#ifdef CONFIG_NF_CONNTRACK_LABELS
+ if (priv->key == NFT_CT_LABELS)
+ nf_connlabels_put(ctx->net);
+#endif
+}
+
static int nft_ct_get_init(const struct nft_ctx *ctx,
const struct nft_expr *expr,
const struct nlattr * const tb[])
@@ -413,6 +421,10 @@ static int nft_ct_get_init(const struct nft_ctx *ctx,
if (tb[NFTA_CT_DIRECTION] != NULL)
return -EINVAL;
len = NF_CT_LABELS_MAX_SIZE;
+
+ err = nf_connlabels_get(ctx->net, (len * BITS_PER_BYTE) - 1);
+ if (err)
+ return err;
break;
#endif
case NFT_CT_HELPER:
@@ -494,7 +506,8 @@ static int nft_ct_get_init(const struct nft_ctx *ctx,
case IP_CT_DIR_REPLY:
break;
default:
- return -EINVAL;
+ err = -EINVAL;
+ goto err;
}
}
@@ -502,11 +515,11 @@ static int nft_ct_get_init(const struct nft_ctx *ctx,
err = nft_parse_register_store(ctx, tb[NFTA_CT_DREG], &priv->dreg, NULL,
NFT_DATA_VALUE, len);
if (err < 0)
- return err;
+ goto err;
err = nf_ct_netns_get(ctx->net, ctx->family);
if (err < 0)
- return err;
+ goto err;
if (priv->key == NFT_CT_BYTES ||
priv->key == NFT_CT_PKTS ||
@@ -514,6 +527,9 @@ static int nft_ct_get_init(const struct nft_ctx *ctx,
nf_ct_set_acct(ctx->net, true);
return 0;
+err:
+ __nft_ct_get_destroy(ctx, priv);
+ return err;
}
static void __nft_ct_set_destroy(const struct nft_ctx *ctx, struct nft_ct *priv)
@@ -626,6 +642,9 @@ err1:
static void nft_ct_get_destroy(const struct nft_ctx *ctx,
const struct nft_expr *expr)
{
+ struct nft_ct *priv = nft_expr_priv(expr);
+
+ __nft_ct_get_destroy(ctx, priv);
nf_ct_netns_put(ctx->net, ctx->family);
}