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[net-next,9/9] netfilter: nf_tables: don't initialize registers in nft_do_chain()

Message ID 20240822221939.157858-10-pablo@netfilter.org
State Accepted
Headers show
Series [net-next,1/9] netfilter: nfnetlink_queue: unbreak SCTP traffic | expand

Commit Message

Pablo Neira Ayuso Aug. 22, 2024, 10:19 p.m. UTC 
From: Florian Westphal <fw@strlen.de>

revert commit 4c905f6740a3 ("netfilter: nf_tables: initialize registers in
nft_do_chain()").

Previous patch makes sure that loads from uninitialized registers are
detected from the control plane. in this case rule blob auto-zeroes
registers.  Thus the explicit zeroing is not needed anymore.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
 net/netfilter/nf_tables_core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/net/netfilter/nf_tables_core.c b/net/netfilter/nf_tables_core.c
index a48d5f0e2f3e..75598520b0fa 100644
--- a/net/netfilter/nf_tables_core.c
+++ b/net/netfilter/nf_tables_core.c
@@ -256,7 +256,7 @@  nft_do_chain(struct nft_pktinfo *pkt, void *priv)
 	const struct net *net = nft_net(pkt);
 	const struct nft_expr *expr, *last;
 	const struct nft_rule_dp *rule;
-	struct nft_regs regs = {};
+	struct nft_regs regs;
 	unsigned int stackptr = 0;
 	struct nft_jumpstack jumpstack[NFT_JUMP_STACK_SIZE];
 	bool genbit = READ_ONCE(net->nft.gencursor);