From bfd4ed4988aaa74a726a42b38a56ec5bdb63f7d9 Mon Sep 17 00:00:00 2001
From: Phil Sutter <phil@nwl.cc>
Date: Fri, 29 Sep 2023 21:19:19 +0200
Subject: [PATCH] netfilter: nf_tables: Drop pointless memset when dumping
 rules

[ Upstream commit 30fa41a0f6df4c85790cc6499ddc4a926a113bfa ]

None of the dump callbacks uses netlink_callback::args beyond the first
element, no need to zero the data.

Fixes: 96518518cc41 ("netfilter: add nftables")
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/netfilter/nf_tables_api.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 8a4cd1c16e0e..8f12e83280cb 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -3184,10 +3184,6 @@ static int __nf_tables_dump_rules(struct sk_buff *skb,
 			goto cont_skip;
 		if (*idx < s_idx)
 			goto cont;
-		if (*idx > s_idx) {
-			memset(&cb->args[1], 0,
-					sizeof(cb->args) - sizeof(cb->args[0]));
-		}
 		if (prule)
 			handle = prule->handle;
 		else