Commit 860e8742 authored by Pablo Neira Ayuso's avatar Pablo Neira Ayuso

netfilter: nft_last: copy content when cloning expression

If the ruleset contains last timestamps, restore them accordingly.
Otherwise, listing after restoration shows never used items.

Fixes: 33a24de3 ("netfilter: nft_last: move stateful fields out of expression data")
Signed-off-by: default avatarPablo Neira Ayuso <pablo@netfilter.org>
parent 2067e7a0
...@@ -105,11 +105,15 @@ static void nft_last_destroy(const struct nft_ctx *ctx, ...@@ -105,11 +105,15 @@ static void nft_last_destroy(const struct nft_ctx *ctx,
static int nft_last_clone(struct nft_expr *dst, const struct nft_expr *src) static int nft_last_clone(struct nft_expr *dst, const struct nft_expr *src)
{ {
struct nft_last_priv *priv_dst = nft_expr_priv(dst); struct nft_last_priv *priv_dst = nft_expr_priv(dst);
struct nft_last_priv *priv_src = nft_expr_priv(src);
priv_dst->last = kzalloc(sizeof(*priv_dst->last), GFP_ATOMIC); priv_dst->last = kzalloc(sizeof(*priv_dst->last), GFP_ATOMIC);
if (!priv_dst->last) if (!priv_dst->last)
return -ENOMEM; return -ENOMEM;
priv_dst->last->set = priv_src->last->set;
priv_dst->last->jiffies = priv_src->last->jiffies;
return 0; return 0;
} }
......
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