[ upstream commit f5553c19ff9058136e7082c0b1f4268e705ea538 ]
Release statistics and module refcount on memory allocation problems.
Cc: <stable@xxxxxxxxxxxxxxx> # 3.18.x
Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
---
net/netfilter/nf_tables_api.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index b543606..1ff04bc 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -1264,8 +1264,10 @@ static int nf_tables_newchain(struct sock *nlsk, struct sk_buff *skb,
nft_ctx_init(&ctx, skb, nlh, afi, table, chain, nla);
trans = nft_trans_alloc(&ctx, NFT_MSG_NEWCHAIN,
sizeof(struct nft_trans_chain));
- if (trans == NULL)
+ if (trans == NULL) {
+ free_percpu(stats);
return -ENOMEM;
+ }
nft_trans_chain_stats(trans) = stats;
nft_trans_chain_update(trans) = true;
@@ -1321,8 +1323,10 @@ static int nf_tables_newchain(struct sock *nlsk, struct sk_buff *skb,
hookfn = type->hooks[hooknum];
basechain = kzalloc(sizeof(*basechain), GFP_KERNEL);
- if (basechain == NULL)
+ if (basechain == NULL) {
+ module_put(type->owner);
return -ENOMEM;
+ }
if (nla[NFTA_CHAIN_COUNTERS]) {
stats = nft_stats_alloc(nla[NFTA_CHAIN_COUNTERS]);
--
1.7.10.4
--
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