fix WhiteScan bug

src/observer/ob_server.cpp

@@ -1829,7 +1829,8 @@ int ObServer::get_network_speed_from_config_file(int64_t &network_speed)
       nic_rate_file_exist = 1;
     }
     memset(buf, 0, MAX_NIC_CONFIG_FILE_SIZE + 1);
-    fread(buf, 1, MAX_NIC_CONFIG_FILE_SIZE, fp);
+    // ignore return value of fread, because ferror can get fread state
+    IGNORE_RETURN fread(buf, 1, MAX_NIC_CONFIG_FILE_SIZE, fp);
     char *prate = nullptr;
 
     if (OB_UNLIKELY(0 != ferror(fp))) {

src/observer/ob_server.h

@@ -141,7 +141,7 @@ class ObRefreshTime {
 
   class ObCTASCleanUp {
   public:
-    explicit ObCTASCleanUp(ObServer* obs, bool drop_flag) : obs_(obs), drop_flag_(drop_flag)
+    explicit ObCTASCleanUp(ObServer* obs, bool drop_flag) : obs_(obs), drop_flag_(drop_flag), cleanup_rule_type_(0) 
     {}
     virtual ~ObCTASCleanUp()
     {}

src/share/allocator/ob_fifo_arena.cpp

@@ -47,7 +47,7 @@ void ObFifoArena::ObWriteThrottleInfo::reset()
   ATOMIC_SET(&period_throttled_count_, 0);
   ATOMIC_SET(&period_throttled_time_, 0);
   ATOMIC_SET(&total_throttled_count_, 0);
-  ATOMIC_SET(&total_throttled_count_, 0);
+  ATOMIC_SET(&total_throttled_time_, 0);
 }
 
 void ObFifoArena::ObWriteThrottleInfo::reset_period_stat_info()
@@ -149,7 +149,7 @@ void ObFifoArena::shrink_cached_page(int64_t nway)
         if (NULL != ref) {
           // There may be concurrent removal, no need to pay attention to the return value
           UNUSED(ATOMIC_BCAS(paddr, page, NULL));
-          ATOMIC_FAA(&retired_, page->hold());
+          IGNORE_RETURN ATOMIC_FAA(&retired_, page->hold());
           release_ref(ref);
         }
       }

src/share/allocator/ob_gmemstore_allocator.h

@@ -97,7 +97,7 @@ public:
     {
       return get_size();
     }
-    void* alloc(int64_t size)
+    void* alloc(const int64_t size)
     {
       return NULL == host_ ? NULL : host_->alloc(*this, size);
     }