[PATCH 1/2] sysfs: constify sysfs create/remove files harder

[Jani Nikula <jani.nikula@xxxxxxxxx>]

Let the passed in array be const (and thus placed in rodata) instead of
a mutable array of const pointers.

Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: "Rafael J. Wysocki" <rafael@xxxxxxxxxx>
Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
---
 fs/sysfs/file.c       | 4 ++--
 include/linux/sysfs.h | 8 ++++----
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c
index 0a7252aecfa5..bb71db63c99c 100644
--- a/fs/sysfs/file.c
+++ b/fs/sysfs/file.c
@@ -334,7 +334,7 @@ int sysfs_create_file_ns(struct kobject *kobj, const struct attribute *attr,
 }
 EXPORT_SYMBOL_GPL(sysfs_create_file_ns);
 
-int sysfs_create_files(struct kobject *kobj, const struct attribute **ptr)
+int sysfs_create_files(struct kobject *kobj, const struct attribute * const *ptr)
 {
 	int err = 0;
 	int i;
@@ -493,7 +493,7 @@ bool sysfs_remove_file_self(struct kobject *kobj, const struct attribute *attr)
 	return ret;
 }
 
-void sysfs_remove_files(struct kobject *kobj, const struct attribute **ptr)
+void sysfs_remove_files(struct kobject *kobj, const struct attribute * const *ptr)
 {
 	int i;
 	for (i = 0; ptr[i]; i++)
diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index 987cefa337de..786816cf4aa5 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -234,7 +234,7 @@ int __must_check sysfs_create_file_ns(struct kobject *kobj,
 				      const struct attribute *attr,
 				      const void *ns);
 int __must_check sysfs_create_files(struct kobject *kobj,
-				   const struct attribute **attr);
+				   const struct attribute * const *attr);
 int __must_check sysfs_chmod_file(struct kobject *kobj,
 				  const struct attribute *attr, umode_t mode);
 struct kernfs_node *sysfs_break_active_protection(struct kobject *kobj,
@@ -243,7 +243,7 @@ void sysfs_unbreak_active_protection(struct kernfs_node *kn);
 void sysfs_remove_file_ns(struct kobject *kobj, const struct attribute *attr,
 			  const void *ns);
 bool sysfs_remove_file_self(struct kobject *kobj, const struct attribute *attr);
-void sysfs_remove_files(struct kobject *kobj, const struct attribute **attr);
+void sysfs_remove_files(struct kobject *kobj, const struct attribute * const *attr);
 
 int __must_check sysfs_create_bin_file(struct kobject *kobj,
 				       const struct bin_attribute *attr);
@@ -342,7 +342,7 @@ static inline int sysfs_create_file_ns(struct kobject *kobj,
 }
 
 static inline int sysfs_create_files(struct kobject *kobj,
-				    const struct attribute **attr)
+				    const struct attribute * const *attr)
 {
 	return 0;
 }
@@ -377,7 +377,7 @@ static inline bool sysfs_remove_file_self(struct kobject *kobj,
 }
 
 static inline void sysfs_remove_files(struct kobject *kobj,
-				     const struct attribute **attr)
+				     const struct attribute * const *attr)
 {
 }
 
-- 
2.11.0

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