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-rw-r--r--net/netfilter/nft_cmp.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/net/netfilter/nft_cmp.c b/net/netfilter/nft_cmp.c
index 411c0cf741e3..abd7be110f80 100644
--- a/net/netfilter/nft_cmp.c
+++ b/net/netfilter/nft_cmp.c
@@ -79,6 +79,12 @@ static int nft_cmp_init(const struct nft_ctx *ctx, const struct nft_expr *expr,
if (err < 0)
return err;
+ if (desc.type != NFT_DATA_VALUE) {
+ err = -EINVAL;
+ nft_data_release(&priv->data, desc.type);
+ return err;
+ }
+
priv->sreg = nft_parse_register(tb[NFTA_CMP_SREG]);
err = nft_validate_register_load(priv->sreg, desc.len);
if (err < 0)