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netfilter: nf_tables: move nft_expr_clone() to nf_tables_api.c 

Move the nft_expr_clone() helper function to the core.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Pablo Neira Ayuso 2020-03-17 14:13:44 +01:00
parent 79e28519ac
commit c604cc691c
3 changed files with 19 additions and 17 deletions
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1
include/net/netfilter/nf_tables.h
View File

@ -846,6 +846,7 @@ static inline void *nft_expr_priv(const struct nft_expr *expr)
return (void *)expr->data;
}
int nft_expr_clone(struct nft_expr *dst, struct nft_expr *src);
void nft_expr_destroy(const struct nft_ctx *ctx, struct nft_expr *expr);
int nft_expr_dump(struct sk_buff *skb, unsigned int attr,
const struct nft_expr *expr);

18
net/netfilter/nf_tables_api.c
View File

@ -2557,6 +2557,24 @@ static struct nft_expr *nft_expr_init(const struct nft_ctx *ctx,
return ERR_PTR(err);
}
int nft_expr_clone(struct nft_expr *dst, struct nft_expr *src)
{
int err;
if (src->ops->clone) {
dst->ops = src->ops;
err = src->ops->clone(dst, src);
if (err < 0)
return err;
} else {
memcpy(dst, src, src->ops->size);
}
__module_get(src->ops->type->owner);
return 0;
}
void nft_expr_destroy(const struct nft_ctx *ctx, struct nft_expr *expr)
{
nf_tables_expr_destroy(ctx, expr);

17
net/netfilter/nft_dynset.c
View File

@ -24,23 +24,6 @@ struct nft_dynset {
struct nft_set_binding binding;
};
static int nft_expr_clone(struct nft_expr *dst, struct nft_expr *src)
{
int err;
if (src->ops->clone) {
dst->ops = src->ops;
err = src->ops->clone(dst, src);
if (err < 0)
return err;
} else {
memcpy(dst, src, src->ops->size);
}
__module_get(src->ops->type->owner);
return 0;
}
static void *nft_dynset_new(struct nft_set *set, const struct nft_expr *expr,
struct nft_regs *regs)
{