Otherwise the module reference counter is leaked.
Fixes b9703ed44ffb ("netfilter: nf_tables: support for adding new devices to an existing netdev chain")
Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
---
net/netfilter/nf_tables_api.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 0d293eab310b..c1db2f4b2aa4 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -2667,6 +2667,8 @@ static int nf_tables_updchain(struct nft_ctx *ctx, u8 genmask, u8 policy,
nft_trans_basechain(trans) = basechain;
INIT_LIST_HEAD(&nft_trans_chain_hooks(trans));
list_splice(&hook.list, &nft_trans_chain_hooks(trans));
+ if (nla[NFTA_CHAIN_HOOK])
+ module_put(hook.type->owner);
nft_trans_commit_list_add_tail(ctx->net, trans);
--
2.30.2
