[PATCH 5.15 25/59] netfilter: nft_immediate: drop chain reference counter on error

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5.15-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>

[ Upstream commit b29be0ca8e816119ccdf95cc7d7c7be9bde005f1 ]

In the init path, nft_data_init() bumps the chain reference counter,
decrement it on error by following the error path which calls
nft_data_release() to restore it.

Fixes: 4bedf9eee016 ("netfilter: nf_tables: fix chain binding transaction logic")
Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 net/netfilter/nft_immediate.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/netfilter/nft_immediate.c b/net/netfilter/nft_immediate.c
index 7d5b63c5a30af..d154fe67ca8a6 100644
--- a/net/netfilter/nft_immediate.c
+++ b/net/netfilter/nft_immediate.c
@@ -78,7 +78,7 @@ static int nft_immediate_init(const struct nft_ctx *ctx,
 		case NFT_GOTO:
 			err = nf_tables_bind_chain(ctx, chain);
 			if (err < 0)
-				return err;
+				goto err1;
 			break;
 		default:
 			break;
-- 
2.43.0







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