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From: Greg Kroah-Hartman on 5 Aug 2010 18:30
From: Jean Delvare <khali(a)linux-fr.org>

sysfs_chmod_file doesn't change the attribute it operates on, so this
attribute can be marked const.

Signed-off-by: Jean Delvare <khali(a)linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh(a)suse.de>
---
fs/sysfs/file.c | 3 ++-
include/linux/sysfs.h | 6 +++---
2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c
index 1beaa73..1b27b56 100644
--- a/fs/sysfs/file.c
+++ b/fs/sysfs/file.c
@@ -593,7 +593,8 @@ EXPORT_SYMBOL_GPL(sysfs_add_file_to_group);
* @mode: file permissions.
*
*/
-int sysfs_chmod_file(struct kobject *kobj, struct attribute *attr, mode_t mode)
+int sysfs_chmod_file(struct kobject *kobj, const struct attribute *attr,
+ mode_t mode)
{
struct sysfs_dirent *sd;
struct iattr newattrs;
diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index f2694eb..8bf06b6 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -136,8 +136,8 @@ int __must_check sysfs_create_file(struct kobject *kobj,
const struct attribute *attr);
int __must_check sysfs_create_files(struct kobject *kobj,
const struct attribute **attr);
-int __must_check sysfs_chmod_file(struct kobject *kobj, struct attribute *attr,
- mode_t mode);
+int __must_check sysfs_chmod_file(struct kobject *kobj,
+ const struct attribute *attr, mode_t mode);
void sysfs_remove_file(struct kobject *kobj, const struct attribute *attr);
void sysfs_remove_files(struct kobject *kobj, const struct attribute **attr);

@@ -225,7 +225,7 @@ static inline int sysfs_create_files(struct kobject *kobj,
}

static inline int sysfs_chmod_file(struct kobject *kobj,
- struct attribute *attr, mode_t mode)
+ const struct attribute *attr, mode_t mode)
{
return 0;
}
--
1.7.2

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Prev: [PATCH 06/67] max3110 sanity check a register
Next: [PATCH 06/28] Driver core: Drop __must_check from bus_for_each_drv()