From 3d9b142131ef0cde259dbac5cce36f570fcb4902 Mon Sep 17 00:00:00 2001 From: Pablo Neira Ayuso Date: Wed, 11 Jun 2014 14:27:46 +0200 Subject: [PATCH] netfilter: nft_compat: call {target, match}->destroy() to cleanup entry Otherwise, the reference to external objects (eg. modules) are not released when the rules are removed. Signed-off-by: Pablo Neira Ayuso --- net/netfilter/nft_compat.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/net/netfilter/nft_compat.c b/net/netfilter/nft_compat.c index 8a779be832fb..1840989092ed 100644 --- a/net/netfilter/nft_compat.c +++ b/net/netfilter/nft_compat.c @@ -195,6 +195,15 @@ static void nft_target_destroy(const struct nft_ctx *ctx, const struct nft_expr *expr) { struct xt_target *target = expr->ops->data; + void *info = nft_expr_priv(expr); + struct xt_tgdtor_param par; + + par.net = ctx->net; + par.target = target; + par.targinfo = info; + par.family = ctx->afi->family; + if (par.target->destroy != NULL) + par.target->destroy(&par); module_put(target->me); } @@ -382,6 +391,15 @@ static void nft_match_destroy(const struct nft_ctx *ctx, const struct nft_expr *expr) { struct xt_match *match = expr->ops->data; + void *info = nft_expr_priv(expr); + struct xt_mtdtor_param par; + + par.net = ctx->net; + par.match = match; + par.matchinfo = info; + par.family = ctx->afi->family; + if (par.match->destroy != NULL) + par.match->destroy(&par); module_put(match->me); } -- 2.20.1