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debugfs: remove return value of debugfs_create_x64()

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No one checks the return value of debugfs_create_x64(), 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/20191011132931.1186197-8-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman 2019-10-11 15:29:31 +02:00
parent f5cb0a7e64
commit 0864c408fb
3 changed files with 9 additions and 13 deletions
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2
Documentation/filesystems/debugfs.txt
View File

@ -88,7 +88,7 @@ the following functions can be used instead:
struct dentry *parent, u16 *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,
void debugfs_create_x64(const char *name, umode_t mode,
struct dentry *parent, u64 *value);
These functions are useful as long as the developer knows the size of the

6
fs/debugfs/file.c
View File

@ -687,10 +687,10 @@ EXPORT_SYMBOL_GPL(debugfs_create_x32);
* @value: a pointer to the variable that the file should read to and write
* from.
*/
struct dentry *debugfs_create_x64(const char *name, umode_t mode,
struct dentry *parent, u64 *value)
void debugfs_create_x64(const char *name, umode_t mode, struct dentry *parent,
u64 *value)
{
return debugfs_create_mode_unsafe(name, mode, parent, value, &fops_x64,
debugfs_create_mode_unsafe(name, mode, parent, value, &fops_x64,
&fops_x64_ro, &fops_x64_wo);
}
EXPORT_SYMBOL_GPL(debugfs_create_x64);

12
include/linux/debugfs.h
View File

@ -113,8 +113,8 @@ void debugfs_create_x16(const char *name, umode_t mode, struct dentry *parent,
u16 *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_x64(const char *name, umode_t mode, struct dentry *parent,
u64 *value);
void debugfs_create_size_t(const char *name, umode_t mode,
struct dentry *parent, size_t *value);
struct dentry *debugfs_create_atomic_t(const char *name, umode_t mode,
@ -281,12 +281,8 @@ static inline void debugfs_create_x16(const char *name, umode_t mode,
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,
u64 *value)
{
return ERR_PTR(-ENODEV);
}
static inline void debugfs_create_x64(const char *name, umode_t mode,
struct dentry *parent, u64 *value) { }
static inline void debugfs_create_size_t(const char *name, umode_t mode,
struct dentry *parent, size_t *value)