Re-introduce proper error handling that was removed in recent commits.

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@115850 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/app_jack.c

@@ -977,12 +977,16 @@ static int unload_module(void)
 
 static int load_module(void)
 {
-	int res = 0;
+	if (ast_register_application(jack_app, jack_exec, jack_synopsis, jack_desc)) {
+		return AST_MODULE_LOAD_DECLINE;
+	}
 
-	res |= ast_register_application(jack_app, jack_exec, jack_synopsis, jack_desc);
-	res |= ast_custom_function_register(&jack_hook_function);
+	if (ast_custom_function_register(&jack_hook_function)) {
+		ast_unregister_application(jack_app);
+		return AST_MODULE_LOAD_DECLINE;
+	}
 
-	return res;
+	return AST_MODULE_LOAD_SUCCESS;
 }
 
 AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "JACK Interface");

apps/app_skel.c

@@ -114,7 +114,8 @@ static int unload_module(void)
 
 static int load_module(void)
 {
-	return ast_register_application(app, app_exec, synopsis, descrip);
+	return ast_register_application(app, app_exec, synopsis, descrip) ? 
+		AST_MODULE_LOAD_DECLINE : AST_MODULE_LOAD_SUCCESS;
 }
 
 AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Skeleton (sample) Application");

funcs/func_speex.c

@@ -336,12 +336,16 @@ static int unload_module(void)
 
 static int load_module(void)
 {
-	int res = 0;
+	if (ast_custom_function_register(&agc_function)) {
+		return AST_MODULE_LOAD_DECLINE;
+	}
 
-	res |= ast_custom_function_register(&agc_function);
-	res |= ast_custom_function_register(&denoise_function);
+	if (ast_custom_function_register(&denoise_function)) {
+		ast_custom_function_unregister(&agc_function);
+		return AST_MODULE_LOAD_DECLINE;
+	}
 
-	return res;
+	return AST_MODULE_LOAD_SUCCESS;
 }
 
 AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Noise reduction and Automatic Gain Control (AGC)");