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Diffstat (limited to 'net/netfilter/nft_exthdr.c')
-rw-r--r--net/netfilter/nft_exthdr.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/net/netfilter/nft_exthdr.c b/net/netfilter/nft_exthdr.c
index 55c939f5371f..a0a322780b0f 100644
--- a/net/netfilter/nft_exthdr.c
+++ b/net/netfilter/nft_exthdr.c
@@ -69,15 +69,13 @@ static int nft_exthdr_init(const struct nft_ctx *ctx,
priv->type = nla_get_u8(tb[NFTA_EXTHDR_TYPE]);
priv->offset = ntohl(nla_get_be32(tb[NFTA_EXTHDR_OFFSET]));
priv->len = ntohl(nla_get_be32(tb[NFTA_EXTHDR_LEN]));
- if (priv->len == 0 ||
- priv->len > FIELD_SIZEOF(struct nft_data, data))
- return -EINVAL;
priv->dreg = ntohl(nla_get_be32(tb[NFTA_EXTHDR_DREG]));
err = nft_validate_output_register(priv->dreg);
if (err < 0)
return err;
- return nft_validate_data_load(ctx, priv->dreg, NULL, NFT_DATA_VALUE);
+ return nft_validate_data_load(ctx, priv->dreg, NULL,
+ NFT_DATA_VALUE, priv->len);
}
static int nft_exthdr_dump(struct sk_buff *skb, const struct nft_expr *expr)