diff --git a/drivers/isdn/hardware/mISDN/Makefile b/drivers/isdn/hardware/mISDN/Makefile
index c9d390e..99c7fb4 100644
--- a/drivers/isdn/hardware/mISDN/Makefile
+++ b/drivers/isdn/hardware/mISDN/Makefile
@@ -1,6 +1,6 @@
 # Makefile for the modular ISDN driver
 #
-# EXTRA_CFLAGS += -S -g
+EXTRA_CFLAGS += -ggdb
 #
 
 ifdef MINCLUDES
diff --git a/drivers/isdn/hardware/mISDN/Makefile.v2.6 b/drivers/isdn/hardware/mISDN/Makefile.v2.6
index c9d390e..99c7fb4 100644
--- a/drivers/isdn/hardware/mISDN/Makefile.v2.6
+++ b/drivers/isdn/hardware/mISDN/Makefile.v2.6
@@ -1,6 +1,6 @@
 # Makefile for the modular ISDN driver
 #
-# EXTRA_CFLAGS += -S -g
+EXTRA_CFLAGS += -ggdb
 #
 
 ifdef MINCLUDES
diff --git a/drivers/isdn/hardware/mISDN/sysfs_inst.c b/drivers/isdn/hardware/mISDN/sysfs_inst.c
index 6482e7e..e6e6515 100644
--- a/drivers/isdn/hardware/mISDN/sysfs_inst.c
+++ b/drivers/isdn/hardware/mISDN/sysfs_inst.c
@@ -78,12 +78,12 @@ mISDN_register_sysfs_inst(mISDNinstance_t *inst) {
 	if (err)
 		return(err);
 
-#ifdef SYSFS_SUPPORT
 	class_device_create_file(&inst->class_dev, &class_device_attr_id);
 	class_device_create_file(&inst->class_dev, &class_device_attr_name);
 	class_device_create_file(&inst->class_dev, &class_device_attr_extentions);
 	class_device_create_file(&inst->class_dev, &class_device_attr_regcnt);
 
+#ifdef SYSFS_SUPPORT
 	err = sysfs_create_group(&inst->class_dev.kobj, &pid_group);
 	if (err)
 		goto out_unreg;
diff --git a/drivers/isdn/hardware/mISDN/sysfs_obj.c b/drivers/isdn/hardware/mISDN/sysfs_obj.c
index 19a87f8..d488284 100644
--- a/drivers/isdn/hardware/mISDN/sysfs_obj.c
+++ b/drivers/isdn/hardware/mISDN/sysfs_obj.c
@@ -109,10 +109,10 @@ mISDN_register_sysfs_obj(mISDNobject_t *obj) {
 	if (err)
 		goto out;
 
-#ifdef SYSFS_SUPPORT
 	class_device_create_file(&obj->class_dev, &class_device_attr_id);
 	class_device_create_file(&obj->class_dev, &class_device_attr_name);
 	class_device_create_file(&obj->class_dev, &class_device_attr_refcnt);
+#ifdef SYSFS_SUPPORT
 	err = sysfs_create_group(&obj->class_dev.kobj, &BPROTO_group);
 	if (err)
 		goto out_unreg;
diff --git a/drivers/isdn/hardware/mISDN/sysfs_st.c b/drivers/isdn/hardware/mISDN/sysfs_st.c
index 2d44f62..3545588 100644
--- a/drivers/isdn/hardware/mISDN/sysfs_st.c
+++ b/drivers/isdn/hardware/mISDN/sysfs_st.c
@@ -243,10 +243,12 @@ mISDN_register_sysfs_stack(mISDNstack_t *st)
 	err = sysfs_create_group(&st->class_dev.kobj, &new_pid_group);
 	if (err)
 		goto out_unreg;
+#endif
 	class_device_create_file(&st->class_dev, &class_device_attr_id);
 	class_device_create_file(&st->class_dev, &class_device_attr_qlen);
 	class_device_create_file(&st->class_dev, &class_device_attr_status);
 
+#ifdef SYSFS_SUPPORT
 	if (st->parent) {
 		sysfs_create_link(&st->class_dev.kobj, &st->parent->class_dev.kobj, "parent");
 		snprintf(name, 12, "child%d", (CHILD_ID_MASK & st->id) >> 16);
@@ -260,9 +262,11 @@ mISDN_register_sysfs_stack(mISDNstack_t *st)
 #endif
 	return(err);
 
+#ifdef SYSFS_SUPPORT
 out_unreg:
 	class_device_unregister(&st->class_dev);
 	return(err);
+#endif
 }
 
 void