diff --git a/arch/s390/kernel/debug.c b/arch/s390/kernel/debug.c
index d374f9b218b4..0ebf08c3b35e 100644
--- a/arch/s390/kernel/debug.c
+++ b/arch/s390/kernel/debug.c
@@ -1056,12 +1056,6 @@ int debug_register_view(debug_info_t *id, struct debug_view *view)
 		mode &= ~(S_IWUSR | S_IWGRP | S_IWOTH);
 	pde = debugfs_create_file(view->name, mode, id->debugfs_root_entry,
 				  id, &debug_file_ops);
-	if (!pde) {
-		pr_err("Registering view %s/%s failed due to out of "
-		       "memory\n", id->name, view->name);
-		rc = -1;
-		goto out;
-	}
 	spin_lock_irqsave(&id->lock, flags);
 	for (i = 0; i < DEBUG_MAX_VIEWS; i++) {
 		if (!id->views[i])
diff --git a/arch/s390/kernel/kdebugfs.c b/arch/s390/kernel/kdebugfs.c
index 2c46bd6c6fd2..33130c7daf55 100644
--- a/arch/s390/kernel/kdebugfs.c
+++ b/arch/s390/kernel/kdebugfs.c
@@ -9,8 +9,6 @@ EXPORT_SYMBOL(arch_debugfs_dir);
 static int __init arch_kdebugfs_init(void)
 {
 	arch_debugfs_dir = debugfs_create_dir("s390", NULL);
-	if (IS_ERR(arch_debugfs_dir))
-		arch_debugfs_dir = NULL;
 	return 0;
 }
 postcore_initcall(arch_kdebugfs_init);
diff --git a/arch/s390/kernel/sysinfo.c b/arch/s390/kernel/sysinfo.c
index 12f80d1f0415..2ac3c9b56a13 100644
--- a/arch/s390/kernel/sysinfo.c
+++ b/arch/s390/kernel/sysinfo.c
@@ -545,8 +545,6 @@ static __init int stsi_init_debugfs(void)
 	int lvl, i;
 
 	stsi_root = debugfs_create_dir("stsi", arch_debugfs_dir);
-	if (IS_ERR_OR_NULL(stsi_root))
-		return 0;
 	lvl = stsi(NULL, 0, 0, 0);
 	if (lvl > 0)
 		stsi_0_0_0 = lvl;