HalpDmaAllocateScatterPagesFromScatterPoolAtHighLevelV3

__int64 __fastcall HalpDmaAllocateScatterPagesFromScatterPoolAtHighLevelV3(
        __int64 a1,
        __int64 a2,
        unsigned int a3,
        unsigned int *a4){
  unsigned int v4; 
  __int64 v6; 
  unsigned int v7; 
  __int64 v8; 
  __int64 v9; 
  __int64 v10; 
  unsigned int v11; 
  __int64 v12; 
  __int64 result; 
  v4 = *(_DWORD *)(a2 + 32);
  v6 = *(_QWORD *)(a2 + 24);
  v7 = 0;
  v8 = 0i64;
  v9 = 0i64;
  v10 = 0i64;
  v11 = 0;
  v12 = 0i64;
  if( !v4 )
    goto LABEL_17;
  do
  {
    if( v11 >= a3 )
      break;
    if( (*(_QWORD *)(v6 + 48) & 0xFFFFFFFFFFFFF000ui64) != 0 )
    {
      if( v8 )
        *(_QWORD *)(v10 + 8) = v6;
      else
        v8 = v6;
      ++v11;
      v10 = v6;
    }
    else
    {
      if( v9 )
        *(_QWORD *)(v9 + 8) = v6;
      else
        *(_QWORD *)(a2 + 24) = v6;
      v9 = v6;
    }
    ++v7;
    v12 = v6;
    v6 = *(_QWORD *)(v6 + 8);
  }
  while( v7 < v4 );
  if( v12 )
    *(_QWORD *)(v12 + 8) = 0i64;
  if( v9 )
    *(_QWORD *)(v9 + 8) = v6;
  else
LABEL_17:
    *(_QWORD *)(a2 + 24) = v6;
  *(_DWORD *)(a2 + 32) -= v11;
  result = v8;
  *a4 = v11;
  return result;
}

Referenced by: