Fixed coverity issues

*Dead default in switch
*Rule of three
*Unintentional integer overflow
*Uninitialized scalar field

Tracked-On: OAM-131874
Signed-off-by: manxiaoliang <xiaoliangx.man@intel.com>

Author: manxiaoliang

drm/DrmFbImporter.h

@@ -59,7 +59,7 @@ class DrmFbIdHandle {
   std::array<GemHandle, kBufferMaxPlanes> gem_handles_{};
   std::array<GemHandle, kBufferMaxPlanes> shadow_handles_{};
   std::array<int, kBufferMaxPlanes> shadow_fds_{};
-  bool use_shadow_buffers_;
+  bool use_shadow_buffers_ = false;
   std::shared_ptr<IntelBlitter> blitter_;
 };
 

utils/intel_blit.cpp

@@ -666,7 +666,6 @@ int intel_create_buffer(struct intel_info *info, uint32_t width, uint32_t height
     break;
   }
   switch (tiling) {
-  default:
   case I915_TILING_NONE:
     /*
      * The Intel GPU doesn't need any alignment in linear mode,

utils/intel_blit.h

@@ -35,7 +35,7 @@ struct intel_info {
     uint32_t blitter_src;
     uint32_t blitter_dst;
   } mocs;
-  int addr_offset;
+  uint64_t addr_offset;
   uint32_t context_id;
 };
 
@@ -55,6 +55,8 @@ class IntelBlitter {
   IntelBlitter() {
     intel_blit_init(&info);
   }
+  IntelBlitter(const IntelBlitter &) = delete;
+  IntelBlitter &operator=(const IntelBlitter &) = delete;
   ~IntelBlitter() {
     intel_blit_destroy(&info);
   }