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-rw-r--r--fs/sysfs/file.c13
1 files changed, 5 insertions, 8 deletions
diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c
index 5664410..564abd2 100644
--- a/fs/sysfs/file.c
+++ b/fs/sysfs/file.c
@@ -922,19 +922,16 @@ int sysfs_chmod_file(struct kobject *kobj, const struct attribute *attr,
struct iattr newattrs;
int rc;
- mutex_lock(&sysfs_mutex);
-
- rc = -ENOENT;
- sd = sysfs_find_dirent(kobj->sd, attr->name, NULL);
+ sd = sysfs_get_dirent(kobj->sd, attr->name);
if (!sd)
- goto out;
+ return -ENOENT;
newattrs.ia_mode = (mode & S_IALLUGO) | (sd->s_mode & ~S_IALLUGO);
newattrs.ia_valid = ATTR_MODE;
- rc = sysfs_sd_setattr(sd, &newattrs);
- out:
- mutex_unlock(&sysfs_mutex);
+ rc = kernfs_setattr(sd, &newattrs);
+
+ sysfs_put(sd);
return rc;
}
EXPORT_SYMBOL_GPL(sysfs_chmod_file);
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