[PATCH v2] netfilter: nft_connlimit: fix nft clone() functions

[Dan Carpenter <dan.carpenter@oracle.com>]

These NULL checks are reversed so the clone() can never succeed.

Fixes: 37f319f37d90 ("netfilter: nft_connlimit: move stateful fields out of expression data")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
---
v2: fix a couple similar bugs

 net/netfilter/nft_connlimit.c | 2 +-
 net/netfilter/nft_last.c      | 2 +-
 net/netfilter/nft_quota.c     | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/net/netfilter/nft_connlimit.c b/net/netfilter/nft_connlimit.c
index 58dcafe8bf79..7d00a1452b1d 100644
--- a/net/netfilter/nft_connlimit.c
+++ b/net/netfilter/nft_connlimit.c
@@ -206,7 +206,7 @@ static int nft_connlimit_clone(struct nft_expr *dst, const struct nft_expr *src)
 	struct nft_connlimit *priv_src = nft_expr_priv(src);
 
 	priv_dst->list = kmalloc(sizeof(*priv_dst->list), GFP_ATOMIC);
-	if (priv_dst->list)
+	if (!priv_dst->list)
 		return -ENOMEM;
 
 	nf_conncount_list_init(priv_dst->list);
diff --git a/net/netfilter/nft_last.c b/net/netfilter/nft_last.c
index 5ee33d0ccd4e..4f745a409d34 100644
--- a/net/netfilter/nft_last.c
+++ b/net/netfilter/nft_last.c
@@ -106,7 +106,7 @@ static int nft_last_clone(struct nft_expr *dst, const struct nft_expr *src)
 	struct nft_last_priv *priv_dst = nft_expr_priv(dst);
 
 	priv_dst->last = kzalloc(sizeof(*priv_dst->last), GFP_ATOMIC);
-	if (priv_dst->last)
+	if (!priv_dst->last)
 		return -ENOMEM;
 
 	return 0;
diff --git a/net/netfilter/nft_quota.c b/net/netfilter/nft_quota.c
index 0484aef74273..f394a0b562f6 100644
--- a/net/netfilter/nft_quota.c
+++ b/net/netfilter/nft_quota.c
@@ -237,7 +237,7 @@ static int nft_quota_clone(struct nft_expr *dst, const struct nft_expr *src)
 	struct nft_quota *priv_dst = nft_expr_priv(dst);
 
 	priv_dst->consumed = kmalloc(sizeof(*priv_dst->consumed), GFP_ATOMIC);
-	if (priv_dst->consumed)
+	if (!priv_dst->consumed)
 		return -ENOMEM;
 
 	atomic64_set(priv_dst->consumed, 0);
-- 
2.20.1