Merge tag 'sound-3.18-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai...

[firefly-linux-kernel-4.4.55.git] / net / netfilter / nft_masq.c

diff --git a/net/netfilter/nft_masq.c b/net/netfilter/nft_masq.c
index 6637bab0056705d6cf9671f681b65b1c5166523a..d1ffd5eb3a9b5b86495b53adb5b8bc27c17921df 100644 (file)
--- a/net/netfilter/nft_masq.c
+++ b/net/netfilter/nft_masq.c
@@ -26,6 +26,11 @@ int nft_masq_init(const struct nft_ctx *ctx,
                  const struct nlattr * const tb[])
 {
        struct nft_masq *priv = nft_expr_priv(expr);
+       int err;
+
+       err = nft_chain_validate_dependency(ctx->chain, NFT_CHAIN_T_NAT);
+       if (err < 0)
+               return err;
 
        if (tb[NFTA_MASQ_FLAGS] == NULL)
                return 0;
@@ -55,5 +60,12 @@ nla_put_failure:
 }
 EXPORT_SYMBOL_GPL(nft_masq_dump);
 
+int nft_masq_validate(const struct nft_ctx *ctx, const struct nft_expr *expr,
+                     const struct nft_data **data)
+{
+       return nft_chain_validate_dependency(ctx->chain, NFT_CHAIN_T_NAT);
+}
+EXPORT_SYMBOL_GPL(nft_masq_validate);
+
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>");