Correct usage of bitwise &

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

Change-Id: I4292170538d0f700fccb605814c5058543abe74a

include/rocm_smi/rocm_smi.h

@@ -237,7 +237,7 @@ typedef enum {
    * <br>
    * Throughput = BEATS/time_running * 10<sup>9</sup>  (bytes/second)<br>
    */
-   // ie, Throughput = BEATS/time_running 10^9  bytes/sec
+  // ie, Throughput = BEATS/time_running 10^9  bytes/sec
   RSMI_EVNT_XGMI_0_BEATS_TX,
   RSMI_EVNT_XGMI_1_NOP_TX,                        //!< NOPs sent to neighbor 1
   RSMI_EVNT_XGMI_1_REQUEST_TX,                        //!< Outgoing requests to

include/rocm_smi/rocm_smi_common.h

@@ -79,7 +79,7 @@
 #define 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()) { \