[PATCH] sysfs: add sysfs_chmod_file()

sysfs: allow changing the permissions for already created attributes

Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 7 insertions, 0 deletions

diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index 6f502ff7902a..38b58b30814a 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -99,6 +99,9 @@ sysfs_create_file(struct kobject *, const struct attribute *);
 extern int
 sysfs_update_file(struct kobject *, const struct attribute *);
 
+extern int
+sysfs_chmod_file(struct kobject *kobj, struct attribute *attr, mode_t mode);
+
 extern void
 sysfs_remove_file(struct kobject *, const struct attribute *);
 
@@ -140,6 +143,10 @@ static inline int sysfs_update_file(struct kobject * k, const struct attribute *
 {
         return 0;
 }
+static inline int sysfs_chmod_file(struct kobject *kobj, struct attribute *attr, mode_t mode)
+{
+        return 0;
+}
 
 static inline void sysfs_remove_file(struct kobject * k, const struct attribute * a)
 {