net: macb: NULL out phydev after removing mdio bus

[cascardo/linux.git] / net / netfilter / nft_cmp.c

diff --git a/net/netfilter/nft_cmp.c b/net/netfilter/nft_cmp.c
index e25b35d..2e53739 100644 (file)
--- a/net/netfilter/nft_cmp.c
+++ b/net/netfilter/nft_cmp.c
@@ -84,6 +84,9 @@ static int nft_cmp_init(const struct nft_ctx *ctx, const struct nft_expr *expr,
        if (err < 0)
                return err;
 
+       if (desc.len > U8_MAX)
+               return -ERANGE;
+
        priv->op  = ntohl(nla_get_be32(tb[NFTA_CMP_OP]));
        priv->len = desc.len;
        return 0;