netfilter: nf_tables: remove unused variable

Variable 'ext' is being assigned but are never used hence they are
unused and can be removed.

Cleans up clang warnings:
net/netfilter/nf_tables_api.c:4032:28: warning: variable ‘ext’ set but not used [-Wunused-but-set-variable]

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 06d6af0..debc168 100644 (file)
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -4029,7 +4029,6 @@ static int nft_get_set_elem(struct nft_ctx *ctx, struct nft_set *set,
                            const struct nlattr *attr)
 {
        struct nlattr *nla[NFTA_SET_ELEM_MAX + 1];
-       const struct nft_set_ext *ext;
        struct nft_data_desc desc;
        struct nft_set_elem elem;
        struct sk_buff *skb;
@@ -4063,7 +4062,6 @@ static int nft_get_set_elem(struct nft_ctx *ctx, struct nft_set *set,
                return PTR_ERR(priv);
 
        elem.priv = priv;
-       ext = nft_set_elem_ext(set, &elem);
 
        err = -ENOMEM;
        skb = nlmsg_new(NLMSG_GOODSIZE, GFP_ATOMIC);