diff --git a/arch/s390/include/asm/debug.h b/arch/s390/include/asm/debug.h
index 39d484c59774..ad438d6352c8 100644
--- a/arch/s390/include/asm/debug.h
+++ b/arch/s390/include/asm/debug.h
@@ -460,7 +460,11 @@ static int VNAME(var, active_entries)[EARLY_AREAS] __initdata
 #define __REGISTER_STATIC_DEBUG_INFO(var, name, pages, areas, view)	\
 static int __init VNAME(var, reg)(void)					\
 {									\
-	debug_register_static(&var, (pages), (areas));			\
+	int rc;								\
+									\
+	rc = debug_register_static(&var, (pages), (areas));		\
+	if (rc)								\
+		return rc;						\
 	debug_register_view(&var, (view));				\
 	return 0;							\
 }									\
@@ -493,7 +497,7 @@ static debug_info_t __refdata var =					\
 static debug_info_t __used __section(".s390dbf_info") *VNAME(var, info) = &var; \
 __REGISTER_STATIC_DEBUG_INFO(var, name, pages, nr_areas, view)
 
-void debug_register_static(debug_info_t *id, int pages_per_area, int nr_areas);
+int debug_register_static(debug_info_t *id, int pages_per_area, int nr_areas);
 
 #endif /* MODULE */
 
diff --git a/arch/s390/kernel/debug.c b/arch/s390/kernel/debug.c
index 354ce78fc0cf..142dc1487187 100644
--- a/arch/s390/kernel/debug.c
+++ b/arch/s390/kernel/debug.c
@@ -953,8 +953,12 @@ EXPORT_SYMBOL(debug_register);
  *
  * Note: This function is called automatically via an initcall generated by
  *	 DEFINE_STATIC_DEBUG_INFO.
+ *
+ * Return:
+ * - 0 on success
+ * - negative error code on failure
  */
-void debug_register_static(debug_info_t *id, int pages_per_area, int nr_areas)
+int debug_register_static(debug_info_t *id, int pages_per_area, int nr_areas)
 {
 	unsigned long flags;
 	debug_info_t *copy;
@@ -962,7 +966,7 @@ void debug_register_static(debug_info_t *id, int pages_per_area, int nr_areas)
 	if (!initialized) {
 		pr_err("Tried to register debug feature %s too early\n",
 		       id->name);
-		return;
+		return -EINVAL;
 	}
 
 	debug_get_param(id->name, &id->level, &pages_per_area, false);
@@ -978,7 +982,7 @@ void debug_register_static(debug_info_t *id, int pages_per_area, int nr_areas)
 		id->active_entries = NULL;
 		raw_spin_unlock_irqrestore(&id->lock, flags);
 
-		return;
+		return -ENOMEM;
 	}
 
 	/* Replace static trace area with dynamic copy. */
@@ -996,6 +1000,8 @@ void debug_register_static(debug_info_t *id, int pages_per_area, int nr_areas)
 	mutex_lock(&debug_mutex);
 	_debug_register(id);
 	mutex_unlock(&debug_mutex);
+
+	return 0;
 }
 
 /* Remove debugfs entries. */