netfilter: cttimeout: remove set but not used variable 'l3num'

Fixes gcc '-Wunused-but-set-variable' warning:

net/netfilter/nfnetlink_cttimeout.c: In function 'cttimeout_default_set':
net/netfilter/nfnetlink_cttimeout.c:353:8: warning:
 variable 'l3num' set but not used [-Wunused-but-set-variable]

It not used any more after
commit dd2934a95701 ("netfilter: conntrack: remove l3->l4 mapping information")

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

diff --git a/net/netfilter/nfnetlink_cttimeout.c b/net/netfilter/nfnetlink_cttimeout.c
index b48545b84ce80de61e7c5b2d356804ed75d928ae..e7a50af1b3d61a6e12fb74eaa9a9ba02f0a8d22b 100644 (file)
--- a/net/netfilter/nfnetlink_cttimeout.c
+++ b/net/netfilter/nfnetlink_cttimeout.c
@@ -350,7 +350,6 @@ static int cttimeout_default_set(struct net *net, struct sock *ctnl,
                                 struct netlink_ext_ack *extack)
 {
        const struct nf_conntrack_l4proto *l4proto;
-       __u16 l3num;
        __u8 l4num;
        int ret;
 
@@ -359,7 +358,6 @@ static int cttimeout_default_set(struct net *net, struct sock *ctnl,
            !cda[CTA_TIMEOUT_DATA])
                return -EINVAL;
 
-       l3num = ntohs(nla_get_be16(cda[CTA_TIMEOUT_L3PROTO]));
        l4num = nla_get_u8(cda[CTA_TIMEOUT_L4PROTO]);
        l4proto = nf_ct_l4proto_find_get(l4num);