Correct usage of bitwise &

Also, fix warning related to catch() and cpplint error.

Change-Id: I4292170538d0f700fccb605814c5058543abe74a


[ROCm/amdsmi commit: c2439d28e8]

projects/amdsmi/src/rocm_smi.cc

@@ -3575,7 +3575,7 @@ rsmi_test_sleep(uint32_t dv_ind, uint32_t seconds) {
 //  DEVICE_MUTEX
   amd::smi::pthread_wrap _pw(*amd::smi::GetMutex(dv_ind));
   amd::smi::RocmSMI& smi_ = amd::smi::RocmSMI::getInstance();
-  bool blocking_ = !(smi_.init_options() &&
+  bool blocking_ = !(smi_.init_options() &
                       static_cast<uint64_t>(RSMI_INIT_FLAG_RESRV_TEST1));
   amd::smi::ScopedPthread _lock(_pw, blocking_);
   if (!blocking_ && _lock.mutex_not_acquired()) {

projects/amdsmi/src/rocm_smi_monitor.cc

@@ -428,7 +428,7 @@ static int get_supported_sensors(std::string dir_path, std::string fn_reg_ex,
     if (closedir(hwmon_dir)) {
       return errno;
     }
-  } catch (std::regex_error e) {
+  } catch (std::regex_error& e) {
     std::cout << "Regular expression error:" << std::endl;
     std::cout << e.what() << std::endl;
     std::cout << "Regex error code: " << e.code() << std::endl;