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From: Sasha Levin <sashal@kernel.org>
To: stable@vger.kernel.org
Cc: Florian Westphal <fw@strlen.de>,
	Stefano Brivio <sbrivio@redhat.com>,
	Pablo Neira Ayuso <pablo@netfilter.org>,
	Sasha Levin <sashal@kernel.org>
Subject: [PATCH 6.6.y 5/8] netfilter: nft_set_pipapo: merge deactivate helper into caller
Date: Thu, 23 Jul 2026 10:18:52 -0400	[thread overview]
Message-ID: <20260723141855.3217594-5-sashal@kernel.org> (raw)
In-Reply-To: <20260723141855.3217594-1-sashal@kernel.org>

From: Florian Westphal <fw@strlen.de>

[ Upstream commit c5444786d0ea2417a5e2cee7bd67137fc8bad687 ]

Its the only remaining call site so there is no need for this to
be separated anymore.

Signed-off-by: Florian Westphal <fw@strlen.de>
Reviewed-by: Stefano Brivio <sbrivio@redhat.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Stable-dep-of: 47e65eff5069 ("netfilter: nft_set_pipapo: don't leak bad clone into future transaction")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/netfilter/nft_set_pipapo.c | 39 ++++++++--------------------------
 1 file changed, 9 insertions(+), 30 deletions(-)

diff --git a/net/netfilter/nft_set_pipapo.c b/net/netfilter/nft_set_pipapo.c
index f489d62b00e4ac..0d1c1834a684e6 100644
--- a/net/netfilter/nft_set_pipapo.c
+++ b/net/netfilter/nft_set_pipapo.c
@@ -1854,52 +1854,31 @@ static void nft_pipapo_activate(const struct net *net,
 }
 
 /**
- * pipapo_deactivate() - Check that element is in set, mark as inactive
+ * nft_pipapo_deactivate() - Search for element and make it inactive
  * @net:	Network namespace
  * @set:	nftables API set representation
- * @data:	Input key data
- * @ext:	nftables API extension pointer, used to check for end element
- *
- * This is a convenience function that can be called from both
- * nft_pipapo_deactivate() and nft_pipapo_flush(), as they are in fact the same
- * operation.
+ * @elem:	nftables API element representation containing key data
  *
  * Return: deactivated element if found, NULL otherwise.
  */
-static void *pipapo_deactivate(const struct net *net, const struct nft_set *set,
-			       const u8 *data, const struct nft_set_ext *ext)
+static void *nft_pipapo_deactivate(const struct net *net,
+				   const struct nft_set *set,
+				   const struct nft_set_elem *elem)
 {
 	struct nft_pipapo_elem *e;
 
-	e = pipapo_get(net, set, data, nft_genmask_next(net),
-		       nft_net_tstamp(net), GFP_KERNEL);
+	e = pipapo_get(net, set, (const u8 *)elem->key.val.data,
+		       nft_genmask_next(net), nft_net_tstamp(net), GFP_KERNEL);
 	if (IS_ERR(e))
 		return NULL;
 
 	nft_set_elem_change_active(net, set, &e->ext);
 
-	return e;
-}
-
-/**
- * nft_pipapo_deactivate() - Call pipapo_deactivate() to make element inactive
- * @net:	Network namespace
- * @set:	nftables API set representation
- * @elem:	nftables API element representation containing key data
- *
- * Return: deactivated element if found, NULL otherwise.
- */
-static void *nft_pipapo_deactivate(const struct net *net,
-				   const struct nft_set *set,
-				   const struct nft_set_elem *elem)
-{
-	const struct nft_set_ext *ext = nft_set_elem_ext(set, elem->priv);
-
-	return pipapo_deactivate(net, set, (const u8 *)elem->key.val.data, ext);
+	return &e->priv;
 }
 
 /**
- * nft_pipapo_flush() - Call pipapo_deactivate() to make element inactive
+ * nft_pipapo_flush() - make element inactive
  * @net:	Network namespace
  * @set:	nftables API set representation
  * @elem:	nftables API element representation containing key data
-- 
2.53.0


  parent reply	other threads:[~2026-07-23 14:19 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-07-20 12:34 FAILED: patch "[PATCH] netfilter: nft_set_pipapo: don't leak bad clone into future" failed to apply to 6.6-stable tree gregkh
2026-07-23 14:18 ` [PATCH 6.6.y 1/8] netfilter: nft_set_pipapo: use GFP_KERNEL for insertions Sasha Levin
2026-07-23 14:18   ` [PATCH 6.6.y 2/8] netfilter: nft_set_pipapo: move prove_locking helper around Sasha Levin
2026-07-23 14:18   ` [PATCH 6.6.y 3/8] netfilter: nft_set_pipapo: make pipapo_clone helper return NULL Sasha Levin
2026-07-23 14:18   ` [PATCH 6.6.y 4/8] netfilter: nft_set_pipapo: prepare walk function for on-demand clone Sasha Levin
2026-07-23 14:18   ` Sasha Levin [this message]
2026-07-23 14:18   ` [PATCH 6.6.y 6/8] netfilter: nft_set_pipapo: prepare pipapo_get helper " Sasha Levin
2026-07-23 14:18   ` [PATCH 6.6.y 7/8] netfilter: nft_set_pipapo: move cloning of match info to insert/removal path Sasha Levin
2026-07-23 14:18   ` [PATCH 6.6.y 8/8] netfilter: nft_set_pipapo: don't leak bad clone into future transaction Sasha Levin

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