nexthops: remove redundant assignment to variable err

Variable err is initialized to a value that is never read and it is
re-assigned later. The initialization is redundant and can be removed.

Addresses-Coverity: ("Unused Value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/ipv4/nexthop.c

@@ -1151,7 +1151,7 @@ static int nh_create_ipv4(struct net *net, struct nexthop *nh,
 		.fc_encap_type = cfg->nh_encap_type,
 	};
 	u32 tb_id = l3mdev_fib_table(cfg->dev);
-	int err = -EINVAL;
+	int err;
 
 	err = fib_nh_init(net, fib_nh, &fib_cfg, 1, extack);
 	if (err) {