[SYCL][UR][L0 v2] Fixes for coverity issues (#17874)

Author: igchor

unified-runtime/source/adapters/level_zero/v2/command_list_manager.hpp

@@ -37,7 +37,13 @@ struct ur_command_list_manager {
                           ur_device_handle_t device,
                           v2::raii::command_list_unique_handle &&commandList,
                           v2::event_flags_t flags, ur_queue_t_ *queue);
+  ur_command_list_manager(const ur_command_list_manager &src) = delete;
   ur_command_list_manager(ur_command_list_manager &&src) = default;
+
+  ur_command_list_manager &
+  operator=(const ur_command_list_manager &src) = delete;
+  ur_command_list_manager &operator=(ur_command_list_manager &&src) = default;
+
   ~ur_command_list_manager();
 
   ur_result_t appendKernelLaunch(ur_kernel_handle_t hKernel, uint32_t workDim,

unified-runtime/source/adapters/level_zero/v2/event_pool.hpp

@@ -40,6 +40,8 @@ class event_pool {
   event_pool(const event_pool &) = delete;
   event_pool &operator=(const event_pool &) = delete;
 
+  ~event_pool() = default;
+
   // Allocate an event from the pool. Thread safe.
   ur_event_handle_t allocate();
 

unified-runtime/source/adapters/level_zero/v2/event_pool_cache.cpp

@@ -16,7 +16,7 @@ namespace v2 {
 event_pool_cache::event_pool_cache(ur_context_handle_t hContext,
                                    size_t max_devices,
                                    ProviderCreateFunc ProviderCreate)
-    : hContext(hContext), providerCreate(ProviderCreate) {
+    : hContext(hContext), providerCreate(std::move(ProviderCreate)) {
   pools.resize(max_devices * (1ULL << EVENT_FLAGS_USED_BITS));
 }
 

unified-runtime/source/adapters/level_zero/v2/kernel.cpp

@@ -117,10 +117,11 @@ ur_result_t ur_kernel_handle_t_::release() {
 void ur_kernel_handle_t_::completeInitialization() {
   // Cache kernel name. Should be the same for all devices
   assert(deviceKernels.size() > 0);
-  nonEmptyKernel =
-      &std::find_if(deviceKernels.begin(), deviceKernels.end(),
-                    [](const auto &kernel) { return kernel.has_value(); })
-           ->value();
+  auto nonEmptyKernelIt =
+      std::find_if(deviceKernels.begin(), deviceKernels.end(),
+                   [](const auto &kernel) { return kernel.has_value(); });
+  assert(nonEmptyKernelIt != deviceKernels.end());
+  nonEmptyKernel = &nonEmptyKernelIt->value();
 
   zeCommonProperties.Compute = [kernel = nonEmptyKernel](
                                    common_properties_t &props) {

unified-runtime/source/adapters/level_zero/v2/memory.cpp

@@ -158,13 +158,15 @@ getSyncCommandListForCopy(ur_context_handle_t hContext,
 
 static ur_result_t synchronousZeCopy(ur_context_handle_t hContext,
                                      ur_device_handle_t hDevice, void *dst,
-                                     const void *src, size_t size) {
+                                     const void *src, size_t size) try {
   auto commandList = getSyncCommandListForCopy(hContext, hDevice);
 
   ZE2UR_CALL(zeCommandListAppendMemoryCopy,
              (commandList.get(), dst, src, size, nullptr, 0, nullptr));
 
   return UR_RESULT_SUCCESS;
+} catch (...) {
+  return exceptionToResult(std::current_exception());
 }
 
 void *ur_discrete_buffer_handle_t::allocateOnDevice(ur_device_handle_t hDevice,
@@ -414,20 +416,20 @@ void *ur_mem_sub_buffer_t::getDevicePtr(
     ur_device_handle_t hDevice, device_access_mode_t access, size_t offset,
     size_t size, std::function<void(void *src, void *dst, size_t)> migrate) {
   return hParent->getBuffer()->getDevicePtr(
-      hDevice, access, offset + this->offset, size, migrate);
+      hDevice, access, offset + this->offset, size, std::move(migrate));
 }
 
 void *ur_mem_sub_buffer_t::mapHostPtr(
     ur_map_flags_t flags, size_t offset, size_t size,
     std::function<void(void *src, void *dst, size_t)> migrate) {
   return hParent->getBuffer()->mapHostPtr(flags, offset + this->offset, size,
-                                          migrate);
+                                          std::move(migrate));
 }
 
 void ur_mem_sub_buffer_t::unmapHostPtr(
     void *pMappedPtr,
     std::function<void(void *src, void *dst, size_t)> migrate) {
-  return hParent->getBuffer()->unmapHostPtr(pMappedPtr, migrate);
+  return hParent->getBuffer()->unmapHostPtr(pMappedPtr, std::move(migrate));
 }
 
 ur_shared_mutex &ur_mem_sub_buffer_t::getMutex() {

unified-runtime/source/adapters/level_zero/v2/queue_immediate_in_order.cpp

@@ -870,7 +870,7 @@ ur_result_t ur_queue_immediate_in_order_t::enqueueTimestampRecordingExp(
       "ur_queue_immediate_in_order_t::enqueueTimestampRecordingExp");
 
   auto commandListLocked = commandListManager.lock();
-  if (!phEvent && !*phEvent) {
+  if (!phEvent) {
     return UR_RESULT_ERROR_INVALID_NULL_HANDLE;
   }
   getSignalEvent(commandListLocked, phEvent,