use hsa_executable_get_symbol_by_name in find_kernel_by_name (#1994)

src/hip_module.cpp

@@ -1143,26 +1143,11 @@ inline hsa_status_t remove_agent_global_variables(hsa_executable_t, hsa_agent_t
 hsa_executable_symbol_t find_kernel_by_name(hsa_executable_t executable, const char* kname,
                                             hsa_agent_t* agent = nullptr) {
     using namespace hip_impl;
-
-    pair<const char*, hsa_executable_symbol_t> r{kname, {}};
-
-    hsa_executable_iterate_agent_symbols(
-        executable, agent ? *agent : this_agent(),
-        [](hsa_executable_t, hsa_agent_t, hsa_executable_symbol_t x, void* s) {
-            auto p = static_cast<pair<const char*, hsa_executable_symbol_t>*>(s);
-
-            if (type(x) != HSA_SYMBOL_KIND_KERNEL) {
-                return HSA_STATUS_SUCCESS;
-            }
-            if (name(x) != p->first) return HSA_STATUS_SUCCESS;
-
-            p->second = x;
-
-            return HSA_STATUS_INFO_BREAK;
-        },
-        &r);
-
-    return r.second;
+    hsa_executable_symbol_t symbol = { 0 };
+    hsa_agent_t thisagent = agent ? *agent : this_agent(); 
+    hsa_status_t err = hsa_executable_get_symbol_by_name(executable, kname, &thisagent ,&symbol);
+    //TODO check err ?
+    return symbol;
 }