1 files changed, 0 insertions, 113 deletions
diff --git a/p05 b/p05
deleted file mode 100644
index 2ea5330c15d0b9..00000000000000
--- a/p05
+++ /dev/null
@@ -1,113 +0,0 @@
-From e82f2d8eab210dc7eb0dba2bd8e3c64ad485442b Mon Sep 17 00:00:00 2001
-From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-Date: Wed, 30 May 2018 16:15:35 +0200
-Subject: [PATCH] s390: no need to check return value of debugfs_create functions
-
-When calling debugfs functions, there is no need to ever check the
-return value.  The function can work or not, but the code logic should
-never do something different based on this.
-
-Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
----
- arch/s390/hypfs/hypfs_dbfs.c |    4 +---
- arch/s390/include/asm/pci.h  |    1 -
- arch/s390/kernel/debug.c     |    6 ------
- arch/s390/kernel/kdebugfs.c  |    2 --
- arch/s390/kernel/sysinfo.c   |    2 --
- arch/s390/pci/pci_debug.c    |   13 +++----------
- 6 files changed, 4 insertions(+), 24 deletions(-)
-
---- a/arch/s390/hypfs/hypfs_dbfs.c
-+++ b/arch/s390/hypfs/hypfs_dbfs.c
-@@ -82,8 +82,6 @@ int hypfs_dbfs_create_file(struct hypfs_
- {
- 	df->dentry = debugfs_create_file(df->name, 0400, dbfs_dir, df,
- 					 &dbfs_ops);
--	if (IS_ERR(df->dentry))
--		return PTR_ERR(df->dentry);
- 	mutex_init(&df->lock);
- 	return 0;
- }
-@@ -96,7 +94,7 @@ void hypfs_dbfs_remove_file(struct hypfs
- int hypfs_dbfs_init(void)
- {
- 	dbfs_dir = debugfs_create_dir("s390_hypfs", NULL);
--	return PTR_ERR_OR_ZERO(dbfs_dir);
-+	return 0;
- }
- 
- void hypfs_dbfs_exit(void)
---- a/arch/s390/include/asm/pci.h
-+++ b/arch/s390/include/asm/pci.h
-@@ -148,7 +148,6 @@ struct zpci_dev {
- 	enum pci_bus_speed max_bus_speed;
- 
- 	struct dentry	*debugfs_dev;
--	struct dentry	*debugfs_perf;
- 
- 	struct s390_domain *s390_domain; /* s390 IOMMU domain data */
- };
---- a/arch/s390/kernel/debug.c
-+++ b/arch/s390/kernel/debug.c
-@@ -1056,12 +1056,6 @@ int debug_register_view(debug_info_t *id
- 		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])
---- 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);
---- 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;
---- a/arch/s390/pci/pci_debug.c
-+++ b/arch/s390/pci/pci_debug.c
-@@ -172,21 +172,14 @@ static const struct file_operations debu
- void zpci_debug_init_device(struct zpci_dev *zdev, const char *name)
- {
- 	zdev->debugfs_dev = debugfs_create_dir(name, debugfs_root);
--	if (IS_ERR(zdev->debugfs_dev))
--		zdev->debugfs_dev = NULL;
- 
--	zdev->debugfs_perf = debugfs_create_file("statistics",
--				S_IFREG | S_IRUGO | S_IWUSR,
--				zdev->debugfs_dev, zdev,
--				&debugfs_pci_perf_fops);
--	if (IS_ERR(zdev->debugfs_perf))
--		zdev->debugfs_perf = NULL;
-+	debugfs_create_file("statistics", S_IFREG | S_IRUGO | S_IWUSR,
-+			    zdev->debugfs_dev, zdev, &debugfs_pci_perf_fops);
- }
- 
- void zpci_debug_exit_device(struct zpci_dev *zdev)
- {
--	debugfs_remove(zdev->debugfs_perf);
--	debugfs_remove(zdev->debugfs_dev);
-+	debugfs_remove_recursive(zdev->debugfs_dev);
- }
- 
- int __init zpci_debug_init(void)