4 files changed, 5 insertions, 3 deletions
diff --git a/arch/s390/hypfs/hypfs.h b/arch/s390/hypfs/hypfs.h
index 83ebf54cca6b..4dc2e068e0ff 100644
--- a/arch/s390/hypfs/hypfs.h
+++ b/arch/s390/hypfs/hypfs.h
@@ -48,7 +48,7 @@ void hypfs_sprp_exit(void);
 
 int __hypfs_fs_init(void);
 
-static inline int hypfs_fs_init(void)
+static __always_inline int hypfs_fs_init(void)
 {
 	if (IS_ENABLED(CONFIG_S390_HYPFS_FS))
 		return __hypfs_fs_init();
diff --git a/arch/s390/hypfs/hypfs_diag.h b/arch/s390/hypfs/hypfs_diag.h
index 7090eff27fef..b5218135b8fe 100644
--- a/arch/s390/hypfs/hypfs_diag.h
+++ b/arch/s390/hypfs/hypfs_diag.h
@@ -19,7 +19,7 @@ int diag204_store(void *buf, int pages);
 int __hypfs_diag_fs_init(void);
 void __hypfs_diag_fs_exit(void);
 
-static inline int hypfs_diag_fs_init(void)
+static __always_inline int hypfs_diag_fs_init(void)
 {
 	if (IS_ENABLED(CONFIG_S390_HYPFS_FS))
 		return __hypfs_diag_fs_init();
diff --git a/arch/s390/hypfs/hypfs_diag_fs.c b/arch/s390/hypfs/hypfs_diag_fs.c
index 1e17e288cee4..ede951dc0085 100644
--- a/arch/s390/hypfs/hypfs_diag_fs.c
+++ b/arch/s390/hypfs/hypfs_diag_fs.c
@@ -209,6 +209,8 @@ static int hypfs_create_cpu_files(struct dentry *cpus_dir, void *cpu_info)
 	snprintf(buffer, TMP_SIZE, "%d", cpu_info__cpu_addr(diag204_get_info_type(),
 							    cpu_info));
 	cpu_dir = hypfs_mkdir(cpus_dir, buffer);
+	if (IS_ERR(cpu_dir))
+		return PTR_ERR(cpu_dir);
 	rc = hypfs_create_u64(cpu_dir, "mgmtime",
 			      cpu_info__acc_time(diag204_get_info_type(), cpu_info) -
 			      cpu_info__lp_time(diag204_get_info_type(), cpu_info));
diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c
index 04ea1c03a5ff..96409573c75d 100644
--- a/arch/s390/hypfs/inode.c
+++ b/arch/s390/hypfs/inode.c
@@ -342,7 +342,7 @@ static struct dentry *hypfs_create_file(struct dentry *parent, const char *name,
 	struct inode *inode;
 
 	inode_lock(d_inode(parent));
-	dentry = lookup_one_len(name, parent, strlen(name));
+	dentry = lookup_noperm(&QSTR(name), parent);
 	if (IS_ERR(dentry)) {
 		dentry = ERR_PTR(-ENOMEM);
 		goto fail;