misc: Update for beta clippy failures on x86-64

Signed-off-by: Rob Bradford <rbradford@rivosinc.com>

tpm/src/emulator.rs

@@ -309,11 +309,7 @@ impl Emulator {
         }
 
         self.established_flag_cached = true;
-        if est.resp.bit != 0 {
-            self.established_flag = false;
-        } else {
-            self.established_flag = true;
-        }
+        self.established_flag = est.resp.bit == 0;
 
         self.established_flag
     }

vhdx/src/vhdx_metadata.rs

@@ -145,11 +145,7 @@ impl DiskSpec {
                 let bits = f
                     .read_u32::<LittleEndian>()
                     .map_err(VhdxMetadataError::ReadMetadata)?;
-                if bits & BLOCK_HAS_PARENT != 0 {
-                    disk_spec.has_parent = true;
-                } else {
-                    disk_spec.has_parent = false;
-                }
+                disk_spec.has_parent = bits & BLOCK_HAS_PARENT != 0;
 
                 metadata_presence |= METADATA_FILE_PARAMETER_PRESENT;
             } else if metadata_entry.item_id

virtio-devices/src/vhost_user/fs.rs

@@ -605,7 +605,7 @@ impl VirtioDevice for Fs {
         &mut self,
         shm_regions: VirtioSharedMemoryList,
     ) -> std::result::Result<(), crate::Error> {
-        if let Some(mut cache) = self.cache.as_mut() {
+        if let Some(cache) = self.cache.as_mut() {
             cache.0 = shm_regions;
             Ok(())
         } else {

vm-device/src/bus.rs

@@ -110,8 +110,7 @@ impl Bus {
         let devices = self.devices.read().unwrap();
         let (range, dev) = devices
             .range(..=BusRange { base: addr, len: 1 })
-            .rev()
-            .next()?;
+            .next_back()?;
         dev.upgrade().map(|d| (*range, d.clone()))
     }
 

vmm/src/cpu.rs

@@ -1131,7 +1131,7 @@ impl CpuManager {
 
     fn remove_vcpu(&mut self, cpu_id: u8) -> Result<()> {
         info!("Removing vCPU: cpu_id = {}", cpu_id);
-        let mut state = &mut self.vcpu_states[usize::from(cpu_id)];
+        let state = &mut self.vcpu_states[usize::from(cpu_id)];
         state.kill.store(true, Ordering::SeqCst);
         state.signal_thread();
         state.join_thread()?;

vmm/src/memory_manager.rs

@@ -1501,7 +1501,7 @@ impl MemoryManager {
             .ok_or(Error::MemoryRangeAllocation)?;
 
         // Update the slot so that it can be queried via the I/O port
-        let mut slot = &mut self.hotplug_slots[self.next_hotplug_slot];
+        let slot = &mut self.hotplug_slots[self.next_hotplug_slot];
         slot.active = true;
         slot.inserting = true;
         slot.base = region.start_addr().0;

vmm/src/vm.rs

@@ -1258,7 +1258,7 @@ impl Vm {
                 .resize(desired_memory)
                 .map_err(Error::MemoryManager)?;
 
-            let mut memory_config = &mut self.config.lock().unwrap().memory;
+            let memory_config = &mut self.config.lock().unwrap().memory;
 
             if let Some(new_region) = &new_region {
                 self.device_manager