diff --git a/arch/s390/kernel/debug.c b/arch/s390/kernel/debug.c
index eca3fe595ff4..dca6eaf82c80 100644
--- a/arch/s390/kernel/debug.c
+++ b/arch/s390/kernel/debug.c
@@ -268,7 +268,7 @@ debug_info_alloc(char *name, int pages_per_area, int nr_areas, int buf_size,
 	rc->level          = level;
 	rc->buf_size       = buf_size;
 	rc->entry_size     = sizeof(debug_entry_t) + buf_size;
-	strlcpy(rc->name, name, sizeof(rc->name)-1);
+	strlcpy(rc->name, name, sizeof(rc->name));
 	memset(rc->views, 0, DEBUG_MAX_VIEWS * sizeof(struct debug_view *));
 	memset(rc->debugfs_entries, 0 ,DEBUG_MAX_VIEWS *
 		sizeof(struct dentry*));