> > sysfs_chmod_file() calls notify_change() to change the permission bits > > on a sysfs file. Replace with explicit call to sysfs_setattr() and > > fsnotify_change(). > > > > This is equivalent, except that security_inode_setattr() is not > > called. This function is called by drivers, so the security checks do > > not make any sense. > > Are you sure? As a user, you can chmod the sysfs file and it will > stick, Right, but that's not sysfs_chmod_file() but sys_chmod(), which calls notify_change(), which calls security_inode_setattr(). sysfs_chmod_file() is just called by a couple of drivers to change the file mode during operation, it's never called by user action directly. Miklos -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
