From f5cb0a7e64f41b6f1c5cacc64a476962f5e97f91 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: Fri, 11 Oct 2019 15:29:30 +0200
Subject: [PATCH] debugfs: remove return value of debugfs_create_x32()

No one checks the return value of debugfs_create_x32(), as it's not
needed, so make the return value void, so that no one tries to do so in
the future.

Link: https://lore.kernel.org/r/20191011132931.1186197-7-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 Documentation/filesystems/debugfs.txt |  4 ++--
 fs/debugfs/file.c                     |  6 +++---
 include/linux/debugfs.h               | 12 ++++--------
 3 files changed, 9 insertions(+), 13 deletions(-)

diff --git a/Documentation/filesystems/debugfs.txt b/Documentation/filesystems/debugfs.txt
index 4967f77a62a02..94b8f9a0cb5e5 100644
--- a/Documentation/filesystems/debugfs.txt
+++ b/Documentation/filesystems/debugfs.txt
@@ -86,8 +86,8 @@ the following functions can be used instead:
 				     struct dentry *parent, u8 *value);
     void debugfs_create_x16(const char *name, umode_t mode,
 			    struct dentry *parent, u16 *value);
-    struct dentry *debugfs_create_x32(const char *name, umode_t mode,
-				      struct dentry *parent, u32 *value);
+    void debugfs_create_x32(const char *name, umode_t mode,
+			    struct dentry *parent, u32 *value);
     struct dentry *debugfs_create_x64(const char *name, umode_t mode,
 				      struct dentry *parent, u64 *value);
 
diff --git a/fs/debugfs/file.c b/fs/debugfs/file.c
index cc6c76702e659..9c906251b3c6b 100644
--- a/fs/debugfs/file.c
+++ b/fs/debugfs/file.c
@@ -669,10 +669,10 @@ EXPORT_SYMBOL_GPL(debugfs_create_x16);
  * @value: a pointer to the variable that the file should read to and write
  *         from.
  */
-struct dentry *debugfs_create_x32(const char *name, umode_t mode,
-				 struct dentry *parent, u32 *value)
+void debugfs_create_x32(const char *name, umode_t mode, struct dentry *parent,
+			u32 *value)
 {
-	return debugfs_create_mode_unsafe(name, mode, parent, value, &fops_x32,
+	debugfs_create_mode_unsafe(name, mode, parent, value, &fops_x32,
 				   &fops_x32_ro, &fops_x32_wo);
 }
 EXPORT_SYMBOL_GPL(debugfs_create_x32);
diff --git a/include/linux/debugfs.h b/include/linux/debugfs.h
index e742081c68448..89d0b02f82f52 100644
--- a/include/linux/debugfs.h
+++ b/include/linux/debugfs.h
@@ -111,8 +111,8 @@ struct dentry *debugfs_create_x8(const char *name, umode_t mode,
 				 struct dentry *parent, u8 *value);
 void debugfs_create_x16(const char *name, umode_t mode, struct dentry *parent,
 			u16 *value);
-struct dentry *debugfs_create_x32(const char *name, umode_t mode,
-				  struct dentry *parent, u32 *value);
+void debugfs_create_x32(const char *name, umode_t mode, struct dentry *parent,
+			u32 *value);
 struct dentry *debugfs_create_x64(const char *name, umode_t mode,
 				  struct dentry *parent, u64 *value);
 void debugfs_create_size_t(const char *name, umode_t mode,
@@ -278,12 +278,8 @@ static inline struct dentry *debugfs_create_x8(const char *name, umode_t mode,
 static inline void debugfs_create_x16(const char *name, umode_t mode,
 				      struct dentry *parent, u16 *value) { }
 
-static inline struct dentry *debugfs_create_x32(const char *name, umode_t mode,
-						struct dentry *parent,
-						u32 *value)
-{
-	return ERR_PTR(-ENODEV);
-}
+static inline void debugfs_create_x32(const char *name, umode_t mode,
+				      struct dentry *parent, u32 *value) { }
 
 static inline struct dentry *debugfs_create_x64(const char *name, umode_t mode,
 						struct dentry *parent,
-- 
GitLab