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vmm: use Option::map and Option::cloned

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It's more concise, more idiomatic Rust, and satisfies nightly clippy.

Signed-off-by: Gaelan Steele <gbs@canishe.com>
This commit is contained in:
Gaelan Steele 2021-03-28 23:16:35 -07:00 committed by Sebastien Boeuf
parent b16fdb1b3a
commit b161a570ec
2 changed files with 10 additions and 17 deletions
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19
vmm/src/cpu.rs
View File

@ -560,12 +560,12 @@ impl CpuManager {
vcpu_states.resize_with(usize::from(config.max_vcpus), VcpuState::default);
#[cfg(target_arch = "x86_64")]
let sgx_epc_sections =
if let Some(sgx_epc_region) = memory_manager.lock().unwrap().sgx_epc_region() {
Some(sgx_epc_region.epc_sections().clone())
} else {
None
};
let sgx_epc_sections = memory_manager
.lock()
.unwrap()
.sgx_epc_region()
.as_ref()
.map(|sgx_epc_region| sgx_epc_region.epc_sections().clone());
#[cfg(target_arch = "x86_64")]
let cpuid = {
let phys_bits = physical_bits(config.max_phys_bits);
@ -858,12 +858,7 @@ impl CpuManager {
.map_err(Error::CreateSeccompFilter)?;
#[cfg(target_arch = "x86_64")]
let interrupt_controller_clone =
if let Some(interrupt_controller) = &self.interrupt_controller {
Some(interrupt_controller.clone())
} else {
None
};
let interrupt_controller_clone = self.interrupt_controller.as_ref().cloned();
let handle = Some(
thread::Builder::new()

8
vmm/src/device_manager.rs
View File

@ -3136,11 +3136,9 @@ impl DeviceManager {
}
pub fn interrupt_controller(&self) -> Option<Arc<Mutex<dyn InterruptController>>> {
if let Some(interrupt_controller) = &self.interrupt_controller {
Some(interrupt_controller.clone() as Arc<Mutex<dyn InterruptController>>)
} else {
None
}
self.interrupt_controller
.as_ref()
.map(|ic| ic.clone() as Arc<Mutex<dyn InterruptController>>)
}
pub fn console(&self) -> &Arc<Console> {