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netfilter: nf_tables: fix flush after rule deletion in the same batch

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commit 23b7ca4f74 upstream.

Flush after rule deletion bogusly hits -ENOENT. Skip rules that have
been already from nft_delrule_by_chain() which is always called from the
flush path.

Fixes: cf9dc09d09 ("netfilter: nf_tables: fix missing rules flushing per table")
Reported-by: Phil Sutter <phil@nwl.cc>
Acked-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Pablo Neira Ayuso
2019-02-15 12:50:24 +01:00
committed by Chris
parent bf1a60c96c
commit 40c8f13bcc
1 changed files with 3 additions and 0 deletions
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3
net/netfilter/nf_tables_api.c
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@@ -263,6 +263,9 @@ static int nft_delrule_by_chain(struct nft_ctx *ctx)
int err;
list_for_each_entry(rule, &ctx->chain->rules, list) {
if (!nft_is_active_next(ctx->net, rule))
continue;
err = nft_delrule(ctx, rule);
if (err < 0)
return err;