fix WhiteScan bug

2022-09-13 09:34:26 +00:00
parent aae19e1f3c
commit 3daae395f2
4 changed files with 6 additions and 5 deletions
--- a/src/observer/ob_server.cpp
+++ b/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))) {