[L0] fix coverity issues

Author: pbalcer

source/adapters/level_zero/kernel.cpp

@@ -9,6 +9,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "kernel.hpp"
+#include "ur_api.h"
 #include "ur_level_zero.hpp"
 
 UR_APIEXPORT ur_result_t UR_APICALL urEnqueueKernelLaunch(
@@ -48,6 +49,10 @@ UR_APIEXPORT ur_result_t UR_APICALL urEnqueueKernelLaunch(
     ZeKernel = Kernel->ZeKernel;
   } else {
     auto It = Kernel->ZeKernelMap.find(ZeDevice);
+    if (It == Kernel->ZeKernelMap.end()) {
+      /* kernel and queue don't match */
+      return UR_RESULT_ERROR_INVALID_QUEUE;
+    }
     ZeKernel = It->second;
   }
   // Lock automatically releases when this goes out of scope.

source/adapters/level_zero/kernel.hpp

@@ -15,7 +15,7 @@
 
 struct ur_kernel_handle_t_ : _ur_object {
   ur_kernel_handle_t_(bool OwnZeHandle, ur_program_handle_t Program)
-      : Program{Program}, SubmissionsCount{0}, MemAllocs{} {
+      : Context{nullptr}, Program{Program}, SubmissionsCount{0}, MemAllocs{} {
     OwnNativeHandle = OwnZeHandle;
   }
 

source/adapters/level_zero/program.cpp

@@ -462,8 +462,8 @@ UR_APIEXPORT ur_result_t UR_APICALL urProgramLinkExp(
         new ur_program_handle_t_(State, hContext, ZeModuleMap.begin()->second,
                                  ZeBuildLogMap.begin()->second);
     *phProgram = reinterpret_cast<ur_program_handle_t>(UrProgram);
-    (*phProgram)->ZeModuleMap = ZeModuleMap;
-    (*phProgram)->ZeBuildLogMap = ZeBuildLogMap;
+    (*phProgram)->ZeModuleMap = std::move(ZeModuleMap);
+    (*phProgram)->ZeBuildLogMap = std::move(ZeBuildLogMap);
   } catch (const std::bad_alloc &) {
     return UR_RESULT_ERROR_OUT_OF_HOST_MEMORY;
   } catch (...) {