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-rw-r--r--net/netfilter/nf_tables_core.c3
-rw-r--r--net/netfilter/nft_cmp.c2
2 files changed, 2 insertions, 3 deletions
diff --git a/net/netfilter/nf_tables_core.c b/net/netfilter/nf_tables_core.c
index 90998a6ff8b9..804105391b9a 100644
--- a/net/netfilter/nf_tables_core.c
+++ b/net/netfilter/nf_tables_core.c
@@ -25,9 +25,8 @@ static void nft_cmp_fast_eval(const struct nft_expr *expr,
struct nft_data data[NFT_REG_MAX + 1])
{
const struct nft_cmp_fast_expr *priv = nft_expr_priv(expr);
- u32 mask;
+ u32 mask = nft_cmp_fast_mask(priv->len);
- mask = ~0U >> (sizeof(priv->data) * BITS_PER_BYTE - priv->len);
if ((data[priv->sreg].data[0] & mask) == priv->data)
return;
data[NFT_REG_VERDICT].verdict = NFT_BREAK;
diff --git a/net/netfilter/nft_cmp.c b/net/netfilter/nft_cmp.c
index 954925db414d..e2b3f51c81f1 100644
--- a/net/netfilter/nft_cmp.c
+++ b/net/netfilter/nft_cmp.c
@@ -128,7 +128,7 @@ static int nft_cmp_fast_init(const struct nft_ctx *ctx,
BUG_ON(err < 0);
desc.len *= BITS_PER_BYTE;
- mask = ~0U >> (sizeof(priv->data) * BITS_PER_BYTE - desc.len);
+ mask = nft_cmp_fast_mask(desc.len);
priv->data = data.data[0] & mask;
priv->len = desc.len;
return 0;