Handle sdbusplus exception in BIOS utility API

sdbusplus new_method_call() API can throw exception. This commit adds
exception handling to biosGetAttributeMethodCall utility API which uses
the sdbusplus new_method_call() API.

Change-Id: I95dbdf5a5e86c73c06242ec6a019ee2d045627b0
Signed-off-by: Souvik Roy <souvikroyofficial10@gmail.com>
diff --git a/vpd-manager/include/utility/dbus_utility.hpp b/vpd-manager/include/utility/dbus_utility.hpp
index 39a4bf3..e2bf6c1 100644
--- a/vpd-manager/include/utility/dbus_utility.hpp
+++ b/vpd-manager/include/utility/dbus_utility.hpp
@@ -340,17 +340,17 @@
  * attribute value.
  */
 inline types::BiosAttributeCurrentValue biosGetAttributeMethodCall(
-    const std::string& i_attributeName)
+    const std::string& i_attributeName) noexcept
 {
-    auto l_bus = sdbusplus::bus::new_default();
-    auto l_method = l_bus.new_method_call(
-        constants::biosConfigMgrService, constants::biosConfigMgrObjPath,
-        constants::biosConfigMgrInterface, "GetAttribute");
-    l_method.append(i_attributeName);
-
     types::BiosGetAttrRetType l_attributeVal;
     try
     {
+        auto l_bus = sdbusplus::bus::new_default();
+        auto l_method = l_bus.new_method_call(
+            constants::biosConfigMgrService, constants::biosConfigMgrObjPath,
+            constants::biosConfigMgrInterface, "GetAttribute");
+        l_method.append(i_attributeName);
+
         auto l_result = l_bus.call(l_method);
         l_result.read(std::get<0>(l_attributeVal), std::get<1>(l_attributeVal),
                       std::get<2>(l_attributeVal));